<<  < Previous Aceraceae GH: 01792091  Acer negundo interius (Britton) Sargent USA: South Dakota Whitewood Hill   K. M. Wiegand & M. C. Wiegand 1406 1935-6-18 
Agavaceae GH: 00357638  Yucca brevifolia  Engelmann USA: California Walker Pass, Kern County   K. M. Wiegand & M. C. Wiegand 275 1935-5-2 
 GH: 00357656  Yucca mohavensis  Sargent USA: California Gravel wash, west slope from Mescal Mountain...  K. M. Wiegand & M. C. Wiegand 279 1935-5-6 
 GH: 00357656  Yucca schidigera  Roemer USA: California Gravel wash, west slope from Mescal Mountain...  K. M. Wiegand & M. C. Wiegand 279 1935-5-6 
 GH: 00357676  Yucca whipplei  Torrey USA: California Mountains west of Jacumba   K. M. Wiegand & M. C. Wiegand 280 1935-4-21 
Aizoaceae GH: 01860171  Sesuvium verrucosum  Rafinesque USA: California [no additional data]   K. M. Wiegand & M. C. Wiegand 518 1935-4-20 
 GH: 01860227  Sesuvium verrucosum  Rafinesque USA: Texas Boca Chica   K. M. Wiegand & M. C. Wiegand 517 1935-3-13 
Anacardiaceae GH: 01867960  Rhus microphylla  Engelmann ex A. Gray USA: Arizona 13 miles west of Douglas   K. M. Wiegand & M. C. Wiegand 1373 1935-4-13 
 GH: 01868028  Rhus microphylla  Engelmann ex A. Gray USA: Texas 27 miles east of Abilene   K. M. Wiegand & M. C. Wiegand 1371 1935-3-30 
 GH: 00347125  Rhus ovata  S. Watson USA: California 3 miles south of Beaumont   K. M. Wiegand & M. C. Wiegand 1375 1935-4-25 
 GH: 01868143  Rhus trilobata  Nuttall USA: Colorado Phantom Gorge between Canon City and Cripple...  K. M. Wiegand & M. C. Wiegand 1381 1935-6-10 
 GH: 01868242  Rhus trilobata  Nuttall USA: New Mexico down from Cloudcroft   K. M. Wiegand & M. C. Wiegand 1383 1935-4-10 
 GH: 01868290  Rhus trilobata  Nuttall USA: South Dakota Harney National Forest near Pringle   K. M. Wiegand & M. C. Wiegand 1382 1935-6-16 
 GH: 01868325  Rhus trilobata  Nuttall USA: Texas Huntsville   K. M. Wiegand & M. C. Wiegand 1378 1935-3-27 
 GH: 01868696  Rhus virens  Lindheimer ex A. Gray USA: Texas Musquiz Canyon, southeast of Fort Davis   K. M. Wiegand & M. C. Wiegand 1385 1935-4-5 
Apiaceae GH: 00973368  Daucus pusillus  Michaux USA: Arizona [data not captured]   K. M. Wiegand & M. C. Wiegand 1605 1935-4-13 
Apocynaceae GH: 02180541  Amsonia ciliata texana (A. Gray) Coulter USA: Texas 10 miles west of Fort Worth   K. M. Wiegand & M. C. Wiegand 1683 1935-3-29 
Aristolochiaceae GH: 01681731  Aristolochia reticulata  Nuttall USA: Texas 10 miles north of Conroe   K. M. Wiegand & M. C. Wiegand 411 1935-3-27 
 GH: 01681928  Aristolochia wrightii  Seemann USA: Texas Musquiz Canyon, mountains, 10 mi SE of Fort ...  K. M. Wiegand & M. C. Wiegand 410 1935-4-5 
Aspleniaceae GH: 02068740  Asplenium rhizophyllum  Linnaeus USA: New York 1 1/2 miles east of Jamesville   K. M. Wiegand & M. C. Wiegand 1418 1914-5-24 
Asteraceae GH: 00386620  Acamptopappus shockleyi  A. Gray USA: California Route 91, 17 miles east of Baker   K. M. Wiegand & M. C. Wiegand 2278 1935-5-6 
 GH: 00386663  Acamptopappus sphaerocephalus hirtellus S. F. Blake USA: California 5 miles north of Mojave   K. M. Wiegand & M. C. Wiegand 2279 1935-5-2 
 GH: 02141215  Agoseris glauca  (Pursh) Rafinesque USA: South Dakota Route 16, 4 miles west of Sturgis   K. M. Wiegand & M. C. Wiegand 2311 1935-6-18 
 GH: 02141722  Agoseris parviflora  (Nuttall) D. Dietrich USA: Arizona 5 miles west of Williams   K. M. Wiegand & M. C. Wiegand 2310 1935-5-9 
 GH: 00414209  Ambrosia dumosa  (A. Gray) W. W. Payne USA: California 7 miles below summit, road to Dantes View, D...  K. M. Wiegand & M. C. Wiegand 2502 1935-5-5 
 GH: 00414305  Ambrosia salsola  (Torrey & A. Gray ex A. Gray) Stother & B. G. Baldwin USA: California Route 91, 17 miles east of Baker    K. M. Wiegand & M. C. Wiegand 2534 1935-5-6 
 GH: 00414306  Ambrosia salsola  (Torrey & A. Gray ex A. Gray) Stother & B. G. Baldwin USA: California 5 miles north of Mojave    K. M. Wiegand & M. C. Wiegand 2530 1935-5-2 
 GH: 02141886  Anisocoma acaulis  Torrey & A. Gray USA: California [data not captured]   K. M. Wiegand & M. C. Wiegand 2318 1935-5-4 
 GH: 02217678  Aphanostephus riddellii  Torrey & A. Gray USA: Texas 8 miles north of Alice   K. M. Wiegand & M. C. Wiegand 2335 1935-3-11 
 GH: 02217788  Aphanostephus skirrhobasis thalassius Shinners USA: Texas Boca Chica   K. M. Wiegand & M. C. Wiegand 2330 1935-3-13 
 GH: 02217804  Arida arizonica  (R. C. Jackson & R. R. Johnson) D. R. Morgan & R. L. Hartman USA: Arizona 10 miles north of Picacho   K. M. Wiegand & M. C. Wiegand 2364 1935-4-19 
 GH: 00427479  Artemisia spinescens  D. C. Eaton USA: California Emigrant Wash, 1 mile east of Towne Pass, Pa...  K. M. Wiegand & M. C. Wiegand 2350 1935-5-4 
 GH: 02217949  Astranthium ciliatum  (Rafinesque) G. L. Nesom USA: Texas northwest of Fairfield   K. M. Wiegand & M. C. Wiegand 2393 1935-3-29 
 GH: 02215581  Chaetopappa asteroides  (Nuttall) de Candolle USA: Texas 7 miles south of Crockett   K. M. Wiegand & M. C. Wiegand 2420 1935-3-28 
 GH: 02215659  Chaetopappa ericoides  (Torrey) G. L. Nesom USA: Arizona 14 miles west of Navajo Bridge   K. M. Wiegand & M. C. Wiegand 2363 1935-5-23 
 GH: 02215786  Chaetopappa ericoides  (Torrey) G. L. Nesom USA: Texas College grounds, Alpine   K. M. Wiegand & M. C. Wiegand 2356 1935-4-7 
 GH: 02579292  Chaptalia tomentosa  Ventenat USA: Florida southwest of Crawfordville   K. M. Wiegand & M. C. Wiegand 2421 1935-2-25 
 GH: 02203403  Dichaetophora campestris  A. Gray USA: Texas 4 miles south of Falfurrias   K. M. Wiegand & M. C. Wiegand 2432 1935-3-12 
 GH: 00414954  Dyssodia pentachaeta belenidium (de Candolle) Strother USA: California west slope of mountain pass, Baker-Las Vegas...  K. M. Wiegand & M. C. Wiegand 2439 1935-5-6 
 GH: 00414490  Encelia frutescens  (A. Gray) A. Gray USA: California Mountains west of Coyote Wells   K. M. Wiegand & M. C. Wiegand 2449 1935-4-21 
 GH: 00417201  Ericameria linearifolia  (de Candolle) Urbatsch & Wussow USA: California Jacumba to Boulevard   K. M. Wiegand & M. C. Wiegand 2339 1935-4-21 
 GH: 02206065  Erigeron canus  A. Gray USA: South Dakota Hot Springs   K. M. Wiegand & M. C. Wiegand 2456 1935-6-16 
 GH: 02206817  Erigeron divergens  Torrey & A. Gray USA: Arizona Route 84, near Marana   K. M. Wiegand & M. C. Wiegand 2463 1935-4-19 
 GH: 02352712  Erigeron philadelphicus  Linnaeus USA: Texas Huntsville   K. M. Wiegand & M. C. Wiegand 2474 1935-3-26 
 GH: 00414209  Franseria dumosa  A. Gray USA: California 7 miles below summit, road to Dantes View, D...  K. M. Wiegand & M. C. Wiegand 2502 1935-5-5 
 GH: 01831084  Glyptopleura setulosa  A. Gray USA: California [data not captured]   K. M. Wiegand & M. C. Wiegand 2520 1935-5-3 
 GH: 02587672  Gutierrezia arizonica  (A. Gray) M. A. Lane USA: Arizona Sells road, 15 miles southwest of Tucson   K. M. Wiegand & M. C. Wiegand 2523 1935-4-17 
 GH: 00417201  Haplopappus linearifolius  de Candolle USA: California Jacumba to Boulevard   K. M. Wiegand & M. C. Wiegand 2339 1935-4-21 
 GH: 00414305  Hymenoclea salsola  Torrey & A. Gray USA: California Route 91, 17 miles east of Baker    K. M. Wiegand & M. C. Wiegand 2534 1935-5-6 
 GH: 00414306  Hymenoclea salsola  Torrey & A. Gray USA: California 5 miles north of Mojave    K. M. Wiegand & M. C. Wiegand 2530 1935-5-2 
 GH: 01835179  Lapsana communis  Linnaeus USA: New York [data not captured]   K. M. Wiegand & M. C. Wiegand 1345 1913-8-11 
 GH: 01835596  Malacothrix fendleri  A. Gray USA: New Mexico southeast of Pleasanton   K. M. Wiegand & M. C. Wiegand 2554 1935-5-19 
 GH: 01835587  Malacothrix fendleri  A. Gray USA: Arizona 13 miles west of Douglas   K. M. Wiegand & M. C. Wiegand 2551 1935-4-13 
 GH: 01835662  Malacothrix glabrata  (A. Gray ex D. C. Eaton) A. Gray USA: California [data not captured]   K. M. Wiegand & M. C. Wiegand 2556 1935-4-21 
 GH: 01835766  Malacothrix sonchoides  (Nuttall) Torrey & A. Gray USA: Arizona slope of Kaibab Plateau, 1 mile west of east...  K. M. Wiegand & M. C. Wiegand 25558 1935-5-23 
 GH: 00427282  Palafoxia arida gigantea (M. E. Jones) B. L. Turner & M. I. Morris USA: California Route 80, eastern Imperial County    K. M. Wiegand & M. C. Wiegand 2578 1935 
Berberidaceae GH: 02169438  Mahonia repens  (Lindley) G. Don USA: Arizona 8 miles north of Jacobs Lake, Kaibab Nationa...  K. M. Wiegand & M. C. Wiegand 595 1935-5-23 
 GH: 02169460  Mahonia repens  (Lindley) G. Don USA: Colorado Boulder Canyon   K. M. Wiegand & M. C. Wiegand 596 1935-6-6 
 GH: 02169567  Mahonia repens  (Lindley) G. Don USA: South Dakota 2 miles north of Deadwood   K. M. Wiegand & M. C. Wiegand 597 1935-6-18 
 GH: 02169644  Mahonia swaseyi  (Buckley) Fedde USA: Texas 14 miles east of Johnson City   K. M. Wiegand & M. C. Wiegand 598 1935-3-23 
 GH: 02169689  Mahonia trifoliolata  (Moricand) Fedde USA: Texas northeast of Beeville   K. M. Wiegand & M. C. Wiegand 599 1935-3-10 
Betulaceae GH: 02194264  Betula occidentalis  Hooker USA: Colorado Estes Park   K. M. Wiegand & M. C. Wiegand 345 1935-6-13 
 GH: 02194417  Betula occidentalis  Hooker USA: South Dakota near Sylvan Lake   K. M. Wiegand & M. C. Wiegand 342 1935-6-16 
 GH: 01539807  Betula pumila glandulifera Regel USA: Minnesota [data not captured]   K. M. Wiegand & M. C. Wiegand 344 1935-6-26 
Bignoniaceae GH: 00384782  Chilopsis linearis  (Cavanilles) Sweet USA: California Sand dunes, 14 miles west of Yuma   K. M. Wiegand & M. C. Wiegand 2191 1935-4-20 
 GH: 00384782  Chilopsis linearis arcuata (Fosberg) Henrickson USA: California Sand dunes, 14 miles west of Yuma   K. M. Wiegand & M. C. Wiegand 2191 1935-4-20 
 GH: 02054929  Chilopsis linearis arcuata (Fosberg) Henrickson USA: Arizona 1 mile north of Clifton   K. M. Wiegand & M. C. Wiegand 2192 1935-5-17 
Boraginaceae GH: 00424712  Cryptantha circumscissa  (Hooker & Arnott) I. M. Johnston USA: California Red Rock Canyon    K. M. Wiegand & M. C. Wiegand 1886 1935-5-2 
 GH: 02025439  Cryptantha texana  (A. de Candolle) Greene USA: Texas Encinal   K. M. Wiegand & M. C. Wiegand 1911 1935-3-20 
 GH: 01993213  Heliotropium confertifolium  (Torrey) Torrey ex A. Gray USA: Texas Zapata to Laredo   K. M. Wiegand & M. C. Wiegand 1916 1935-3-14 
 GH: 01993474  Heliotropium curassavicum  Linnaeus USA: Texas St. Helena Canyon   K. M. Wiegand & M. C. Wiegand 1918 1935-4-6 
 GH: 01993704  Heliotropium greggii  Torrey USA: Texas 10 miles north of El Paso   K. M. Wiegand & M. C. Wiegand 1920 1935-4-9 
 GH: 01994828  Lappula occidentalis stricta (S. Watson) S. J. Rolfsmeier USA: Arizona 8 miles north of Prescott   K. M. Wiegand & M. C. Wiegand 1923 1935-5-9 
 GH: 01994925  Lappula redowskii  (Hornemann) Greene USA: Arizona slope of Kaibab Plateau, 2 miles west of eas...  K. M. Wiegand & M. C. Wiegand 1926 1935-5-23 
 GH: 01994973  Lappula redowskii  (Hornemann) Greene USA: Colorado near Sedalia   K. M. Wiegand & M. C. Wiegand 1928 1935-6-8 
 GH: 01995240  Lappula redowskii  (Hornemann) Greene USA: Texas north of Laredo   K. M. Wiegand & M. C. Wiegand 1924 1935-3-15 
 GH: 01995447  Lappula texana  (Scheele) Britton USA: Texas 1 mile west of Trent   K. M. Wiegand & M. C. Wiegand 1931 1935-3-31 
 GH: 01996052  Lithospermum incisum  Lehmann USA: Arizona south of Pine Flats, Kaibab National Forest   K. M. Wiegand & M. C. Wiegand 1942 1935-5-24 
 GH: 01996260  Lithospermum incisum  Lehmann USA: South Dakota 4 miles north of Pringle   K. M. Wiegand & M. C. Wiegand 1946 1935-6-16 
 GH: 01997075  Lithospermum ruderale  Douglas ex Lehmann USA: Colorado Big Thompson Canyon, 16 miles east of Estes ...  K. M. Wiegand & M. C. Wiegand 1947 1935-6-14 
 GH: 01997919  Mertensia franciscana  A. Heller USA: Colorado Phantom Gorge, between Canon City and Crippl...  K. M. Wiegand & M. C. Wiegand 1949 1935-6-10 
 GH: 02058004  Mertensia lanceolata  (Pursh) de Candolle USA: Colorado Big Thompson Canyon, 8 miles east of Estes P...  K. M. Wiegand & M. C. Wiegand 1952 1935-6-14 
 GH: 01873291  Myosotis verna  Nuttall USA: Texas [no additional data]   K. M. Wiegand & M. C. Wiegand 1956 1935-3-24 
 GH: 02059851  Oreocarya cinerea  Greene USA: Arizona slope of Kaibab Plateau, 5 miles west of eas...  K. M. Wiegand & M. C. Wiegand 1968 1935-5-23 
 GH: 02059845  Oreocarya cinerea  Greene USA: Arizona 8 miles northwest of St. Johns   K. M. Wiegand & M. C. Wiegand 1967 1935-5-20 
 GH: 02060278  Oreocarya flava  A. Nelson USA: Arizona 12 miles east of Holbrook   K. M. Wiegand & M. C. Wiegand 1960 1935-5-20 
 GH: 02060570  Oreocarya fulvocanescens  (S. Watson) Greene USA: New Mexico "White Sands"   K. M. Wiegand & M. C. Wiegand 1959 1935-4-10 
 GH: 02061448  Pectocarya anisocarpa  Veno USA: Arizona 14 miles southwest of Hackberry   K. M. Wiegand & M. C. Wiegand 1976 1935-5-8 
 GH: 02061825  Pectocarya recurvata  I. M. Johnston USA: Arizona east of Tucson   K. M. Wiegand & M. C. Wiegand 1979 1935-4-18 
 GH: 02062044  Plagiobothrys arizonicus  (A. Gray) Greene USA: Arizona 8 miles north of Prescott   K. M. Wiegand & M. C. Wiegand 1981 1935-5-9 
Brassicaceae GH: 00378820  Arabis parishii  S. Watson USA: California Baldwin Lake, summit of "Johnson Grade", San...  K. M. Wiegand & M. C. Wiegand 653 1935-4-25 
 GH: 01153955  Boechera fendleri spatifolia (Rydberg) W. A. Weber USA: Colorado Boulder Canyon   K. M. Wiegand & M. C. Wiegand 655 1935-6-6 
 GH: 00378820  Boechera parishii  (S. Watson) Al-Shehbaz USA: California Baldwin Lake, summit of "Johnson Grade", San...  K. M. Wiegand & M. C. Wiegand 653 1935-4-25 
 GH: 01155066  Boechera pendulina  (Greene) W. A. Weber USA: Arizona slope of Kaibab Plateau, 4 miles west of eas...  K. M. Wiegand & M. C. Wiegand 658 1935-5-23 
 GH: 00948410  Boechera sparsiflora  (Nuttall) Dorn USA: California "Johnson Grade", San Bernardino Mountains   K. M. Wiegand & M. C. Wiegand 651 1935-4-25 
 GH: 01155203  Camelina microcarpa  Andrzejowski ex de Candolle USA: Colorado Route 117, northeast of Sedalia   K. M. Wiegand & M. C. Wiegand 660 1935-6-8 
 GH: 01097980  Camelina microcarpa  Andrzejowski ex de Candolle USA: South Dakota Hot Springs (South Dakota): [no additional d...  K. M. Wiegand & M. C. Wiegand 661 1935-6-16 
 GH: 01155408  Descurainia pinnata  (Walter) Britton USA: Colorado Penrose   K. M. Wiegand & M. C. Wiegand 771 1935-6-10 
 GH: 00986762  Descurainia pinnata  (Walter) Britton USA: Texas near Fannin   K. M. Wiegand & M. C. Wiegand 772 1935-3-10 
 GH: 00986951  Descurainia pinnata glabra (Wooton & Standley) Detling USA: Arizona 13 miles west of Douglas   K. M. Wiegand & M. C. Wiegand 770 1935-4-13 
 GH: 01084361  Descurainia pinnata ochroleuca (Wooton) Detling USA: Texas 1 mile west of Trent   K. M. Wiegand & M. C. Wiegand 767 1935-3-31 
 GH: 01103706  Draba brachycarpa  Nuttall USA: Texas [no additional data]   K. M. Wiegand & M. C. Wiegand 671 1935-3-24 
 GH: 01155948  Draba cuneifolia  Nuttall ex Torrey & A. Gray USA: Arizona slope of Kaibab Plateau, 4 miles west of eas...  K. M. Wiegand & M. C. Wiegand 678 1935-5-23 
 GH: 00971639  Draba platycarpa  Torrey & A. Gray USA: Texas Kerrville road, 11 miles northwest of San An...  K. M. Wiegand & M. C. Wiegand 684 1935-3-23 
 GH: 00992102  Draba reptans  (Lamarck) Fernald USA: South Dakota Hot Springs   K. M. Wiegand & M. C. Wiegand 679 1935-6-15 
 GH: 01561758  Erysimum capitatum  (Douglas ex Hooker) Greene USA: Arizona 4 miles southwest of Ryan, Kaibab National F...  K. M. Wiegand & M. C. Wiegand 690 1935-5-23 
 GH: 01561830  Erysimum capitatum  (Douglas ex Hooker) Greene USA: Colorado Route 7, 10 miles west of Lyons   K. M. Wiegand & M. C. Wiegand 695 1935-6-11 
 GH: 01548203  Lepidium densiflorum  Schrader USA: South Dakota Pringle: Harney National Forest, near Pringl...  K. M. Wiegand & M. C. Wiegand 711 1935-6-16 
 NEBC: 00602011  Lepidium didymum  Linnaeus USA: Massachusetts Wellesley: Wellesley   K. M. Wiegand & M. C. Wiegand  1907-9-24 
 GH: 01548843  Lepidium lasiocarpum  Nuttall USA: California [data not captured]   K. M. Wiegand & M. C. Wiegand 710 1935-5-6 
 GH: 01548943  Lepidium lasiocarpum  Nuttall USA: New Mexico Alamogordo - Las Cruces   K. M. Wiegand & M. C. Wiegand 717 1935-4-11 
 GH: 01549350  Lepidium oblongum  Small USA: New Mexico 4 miles west of Tatum   K. M. Wiegand & M. C. Wiegand 709 1935-4-2 
 GH: 01549609  Lepidium thurberi  Wooton USA: Arizona Casa Grande road, 8 miles northwest of Tucso...  K. M. Wiegand & M. C. Wiegand 723 1935-4-19 
 GH: 01549892  Lepidium virginicum medium (Greene) C. L. Hitchcock USA: Colorado Roadside, Route 7, 4 miles west of Lyons   K. M. Wiegand & M. C. Wiegand 715 1935-6-11 
 GH: 01549916  Lepidium virginicum medium (Greene) C. L. Hitchcock USA: Texas north of Laredo   K. M. Wiegand & M. C. Wiegand 719 1935-3-15 
 GH: 01550674  Noccaea fendleri glauca (A. Nelson) Al-Shehbz & M. Koch USA: Colorado Phantom Canyon between Canon City and Crippl...  K. M. Wiegand & M. C. Wiegand 793 1935-6-10 
 GH: 01573193  Paysonia lasiocarpa  (Hooker ex A. Gray) O'Kane & Al-Shehbaz USA: Texas 6 miles north of Laredo   K. M. Wiegand & M. C. Wiegand 750 1935-3-15 
 GH: 01573883  Physaria arenosa argillosa (Rollins & E. A. Shaw) O'Kane & Al-Shehbaz USA: South Dakota Hot Springs (South Dakota): [no additional d...  K. M. Wiegand & M. C. Wiegand 724 1935-6-15 
 GH: 01575643  Physaria fendleri  (A. Gray) O'Kane & Al-Shehbaz USA: Texas Alpine   K. M. Wiegand & M. C. Wiegand 729 1935-4-7 
 GH: 01575871  Physaria gordonii  (A. Gray) O'Kane & Al-Shehbaz USA: Arizona 10 miles southwest of Peach Springs   K. M. Wiegand & M. C. Wiegand 742 1935-5-8 
 GH: 01575920  Physaria gordonii  (A. Gray) O'Kane & Al-Shehbaz USA: New Mexico 2 miles southwest of Organ   K. M. Wiegand & M. C. Wiegand 739 1935-4-11 
 GH: 01687029  Physaria gordonii  (A. Gray) O'Kane & Al-Shehbaz USA: Texas east of Eastland   K. M. Wiegand & M. C. Wiegand 735 1935-3-30 
 GH: 01687130  Physaria gracilis  (Hooker) O'Kane & Al-Shehbaz USA: Texas [data not captured]   K. M. Wiegand & M. C. Wiegand 745 1935-3-29 
 GH: 01687440  Physaria lindheimeri  (A. Gray) O'Kane & Al-Shehbaz USA: Texas 4 miles south of Beeville   K. M. Wiegand & M. C. Wiegand 751 1935-3-4 
 GH: 01687611  Physaria montana  (A. Gray) Greene USA: Colorado Route 117, northeast of Sedalia   K. M. Wiegand & M. C. Wiegand 753 1935-6-8 
 GH: 01691190  Physaria rectipes  (Wooton & Standley) O'Kane & Al-Shehbaz USA: Arizona 4 mile south of Ashfork   K. M. Wiegand & M. C. Wiegand 747 1935-5-9 
 GH: 01691279  Physaria recurvata  (Engelmann ex A. Gray) O'Kane & Al-Shehbaz USA: Texas 13 miles east of Johnson City   K. M. Wiegand & M. C. Wiegand 757 1935-3-23 
 GH: 01716025  Sisymbrium irio  Linnaeus USA: Texas streets of Laredo   K. M. Wiegand & M. C. Wiegand  1935-2-15 
Bromeliaceae GH: 01817028  Tillandsia recurvata  (Linnaeus) Linnaeus USA: Texas 13 miles northwest of San Antonio   K. M. Wiegand & M. C. Wiegand 224 1935-3-23 
Caesalpiniaceae GH: 01873890  Cercidium floridum  Bentham ex A. Gray USA: Arizona 19 miles west of Gila Bend   K. M. Wiegand & M. C. Wiegand 1113 1935-4-20 
 GH: 01676882  Hoffmannseggia glauca  (Ortega) Eifert USA: Arizona 2 miles west of Coolidge   K. M. Wiegand & M. C. Wiegand 1117 1935-4-19 
 GH: 01679735  Senna pumilio  (A. Gray) H. S. Irwin & Barneby USA: Texas southeast of Zapata   K. M. Wiegand & M. C. Wiegand 1111 1935-3-14 
Campanulaceae GH: 01799408  Nemacladus glanduliferus orientalis McVaugh USA: Arizona Sells road, 15 miles southwest of Tucson   K. M. Wiegand & M. C. Wiegand 2274 1935-4-16 
Capparaceae GH: 00378669  Oxystylis lutea  Torrey & Fremont USA: California Shoshone   K. M. Wiegand & M. C. Wiegand 803 1935-5-5 
Caprifoliaceae GH: 02039284  Lonicera albiflora  Torrey & A. Gray USA: Arizona 11 miles northwest of Clifton   K. M. Wiegand & M. C. Wiegand 2242 1935-5-17 
 GH: 02037254  Lonicera sempervirens  Linnaeus USA: Texas west of Huntsville   K. M. Wiegand & M. C. Wiegand 2244 1935-3-27 
 GH: 02036631  Symphoricarpos oreophilus  A. Gray USA: Colorado Phantom Gorge, between Canon City and Crippl...  K. M. Wiegand & M. C. Wiegand 2252 1935-6-10 
 GH: 02036991  Symphoricarpos rotundifolius  A. Gray USA: Arizona Little Hell Canyon, 11 miles south of Ashfor...  K. M. Wiegand & M. C. Wiegand 2253 1935-5-9 
 GH: 02354166  Viburnum rufidulum  Rafinesque USA: Texas Huntsville   K. M. Wiegand & M. C. Wiegand 2260 1935-3-27 
Caryophyllaceae GH: 01741436  Arenaria fendleri  A. Gray USA: Colorado Chasm Falls, Rocky Mountain National Park   K. M. Wiegand & M. C. Wiegand 531 1935-6-13 
 GH: 01742792  Cerastium arvense  Linnaeus USA: Colorado Boulder Canyon   K. M. Wiegand & M. C. Wiegand 532 1935-6-6 
 GH: 01745593  Minuartia drummondii  (Shinners) McNeill USA: Texas western Bastrop County   K. M. Wiegand & M. C. Wiegand 550 1935-3-24 
 GH: 01714594  Paronychia depressa  (A. Gray & Torrey) Nuttall ex A. Nelson USA: South Dakota Deadwood: Route 85, 6 miles north of Deadwoo...  K. M. Wiegand & M. C. Wiegand 529 1935-6-18 
 GH: 01715341  Sagina decumbens  (Elliott) Torrey & A. Gray USA: Texas [no additional data]   K. M. Wiegand & M. C. Wiegand 544 1935-3-24 
Celastraceae GH: 01855200  Maytenus texana  Lundell USA: Texas Boca Chica   K. M. Wiegand & M. C. Wiegand  1935-3-13 
Chenopodiaceae GH: 02003159  Atriplex canescens  (Pursh) Nuttall USA: Colorado 3 miles east of Florence   K. M. Wiegand & M. C. Wiegand 473 1935-6-10 
 GH: 02003331  Atriplex canescens  (Pursh) Nuttall USA: Texas St. Helena Canyon   K. M. Wiegand & M. C. Wiegand 472 1935-4-6 
 GH: 02003510  Atriplex confertifolia  (Torrey & Fremont) Watson USA: Nevada [data not captured]   K. M. Wiegand & M. C. Wiegand 477 1935-5-6 
 GH: 01781555  Blitum nuttallianum  Schultes USA: Texas 1 mile west of Trent   K. M. Wiegand & M. C. Wiegand 488 1935-3-31 
 GH: 00295032  Grayia spinosa  (Hooker) Moquin-Tandon USA: California Mohave Desert, 1 mile north of Palmdale   K. M. Wiegand & M. C. Wiegand 485 1935-5-1 
 GH: 01784769  Krascheninnikovia lanata  (Pursh) A. Meeuse & A. Smit USA: California [data not captured]   K. M. Wiegand & M. C. Wiegand 484 1935-5-3 
 GH: 01785277  Stutzia covillei  (J. F. Macbride) E. H. Zacharias USA: California [data not captured]   K. M. Wiegand & M. C. Wiegand 479 1935-5-3 
 GH: 01785361  Suaeda conferta  (Small) Johnston USA: Texas Boca Chica   K. M. Wiegand & M. C. Wiegand 495 1935-3-13 
Commelinaceae GH: 02073763  Commelina erecta  Linnaeus USA: Florida [data not captured]   K. M. Wiegand & M. C. Wiegand 226 1935-2-14 
 GH: 02113442  Tradescantia bracteata  Small USA: South Dakota near Iron Mountains, Black Hills   K. M. Wiegand & M. C. Wiegand 228 1935-6-17 
 GH: 02113591  Tradescantia humilis  Rose USA: Texas southwest of Victoria   K. M. Wiegand & M. C. Wiegand 230 1935-3-10 
Convolvulaceae GH: 02056080  Cuscuta californica  Hooker & Arnott USA: Arizona 10 miles southwest of Oatman   K. M. Wiegand & M. C. Wiegand 1693 1935-5-7 
Cornaceae GH: 01845808  Cornus florida  Linnaeus USA: Texas 5 miles south of Huntsville   K. M. Wiegand & M. C. Wiegand 1628 1935-3-27 
 GH: 02018998  Cornus stolonifera  Michaux USA: Colorado Boulder Canyon   K. M. Wiegand & M. C. Wiegand 1629 1935-6-6 
Crassulaceae GH: 00376721  Dudleya saxosa aloides (Rose) Moran USA: California "Palms to Pines Highway"    K. M. Wiegand & M. C. Wiegand 809 1935-4-23 
 GH: 01991568  Sedum lanceolatum  Torrey USA: South Dakota 6 miles north of Deadwood   K. M. Wiegand & M. C. Wiegand 810 1935-6-18 
Cyperaceae GH: 02391026  Carex interior  L. H. Bailey USA: New York [data not captured]   K. M. Wiegand & M. C. Wiegand 1798 1914-5-7 
 GH: 02370794  Carex leavenworthii  Dewey USA: Texas Route 43, 4 miles east of Rockdale, Milan Co...  K. M. Wiegand & M. C. Wiegand 193 1935-3-25 
 GH: 02405386  Carex rossii  Boott USA: Arizona Graham Mountains   K. M. Wiegand & M. C. Wiegand 201 1935-5-16 
 GH: 02467232  Carex rossii  Boott USA: South Dakota top of Needles Mountain, east of Sylvan Lake   K. M. Wiegand & M. C. Wiegand 202 1938-6-16 
Ephedraceae GH: 00356618  Ephedra nevadensis  S. Watson USA: California Mountains, Jacumba to Boulevard   K. M. Wiegand & M. C. Wiegand 80 1935-4-21 
 GH: 00933760  Ephedra trifurca  Torrey ex S. Watson USA: Texas 20 miles north of Fort Davis   K. M. Wiegand & M. C. Wiegand 86 1935-4-4 
Ericaceae GH: 01117607  Arctostaphylos pringlei  Parry USA: Arizona 12 miles southwest of Prescott   K. M. Wiegand & M. C. Wiegand 1632 1935-5-10 
 GH: 01536370  Arctostaphylos uva-ursi  (Linnaeus) Sprengel USA: Colorado trail ridge road, Rocky Mountain National Pa...  K. M. Wiegand & M. C. Wiegand 1637 1935-6-12 
 GH: 01537623  Ceratiola ericoides  Michaux USA: Florida west of Brooksville   K. M. Wiegand & M. C. Wiegand 1368 1935-2-20 
 GH: 01592483  Gaylussacia baccata  (Wangenheim) K. Koch USA: New York north end Labrador Pond, Fabius   K. M. Wiegand & M. C. Wiegand 933 1913 
 GH: 01765786  Rhododendron viscosum  (Linnaeus) Torrey USA: Texas Grapeland   K. M. Wiegand & M. C. Wiegand 1638 1935-3-28 
Fabaceae GH: 01963170  Acmispon argophyllus  (A. Gray) Brouillet USA: California Mountains, west of Boulevard   K. M. Wiegand & M. C. Wiegand 1135 1935-4-21 
 GH: 01963190  Acmispon brachycarpus  (Bentham) D. D. Sokoloff USA: Arizona 5 miles south of Patagonia, Route 82   K. M. Wiegand & M. C. Wiegand 1139 1935-4-13 
 GH: 01963218  Acmispon brachycarpus  (Bentham) D. D. Sokoloff USA: California Mountains, Jacumba to Boulevard   K. M. Wiegand & M. C. Wiegand 1140 1935-4-21 
 GH: 01963362  Acmispon glaber brevialatus (Vogel) Brouillet USA: California Mountains west of Coyote Wells   K. M. Wiegand & M. C. Wiegand 1145 1935-4-21 
 GH: 01963529  Acmispon greenei  (Wooton & Standley) Brouillet USA: Arizona Apache to Chiricahua   K. M. Wiegand & M. C. Wiegand 1136 1935-4-12 
 GH: 01963868  Acmispon oroboides  (Kunth) Brouillet USA: New Mexico roadside, mountain pass, Alamogordo to Las C...  K. M. Wiegand & M. C. Wiegand 1141 1935-4-11 
 GH: 01967016  Acmispon strigosus  (Nuttall) Brouillet USA: Arizona near Mohawk   K. M. Wiegand & M. C. Wiegand 1153 1935-4-20 
 GH: 01967031  Acmispon strigosus  (Nuttall) Brouillet USA: California Mountains east of Jacumba   K. M. Wiegand & M. C. Wiegand 1147 1935-4-21 
 GH: 01967032  Acmispon strigosus  (Nuttall) Brouillet USA: California West of summit, "Palms to Pines Highway"   K. M. Wiegand & M. C. Wiegand 1148a 1935-4-23 
 GH: 01967158  Acmispon subpinnatus  (Lagasca) D. D. Sokoloff USA: California 4 miles south of Beaumont, "Palms to Pines H...  K. M. Wiegand & M. C. Wiegand 1150 1935-4-23 
 GH: 02064898  Astragalus calycosus  Torrey ex S. Watson USA: Arizona slope of Kaibab Plateau, 4 miles west of eas...  K. M. Wiegand & M. C. Wiegand 1049 1935-5-23 
 GH: 02047344  Astragalus chamaeleuce  A. Gray USA: Arizona 8 miles north of Prescott   K. M. Wiegand & M. C. Wiegand 1080 1935-5-9 
 GH: 02047401  Astragalus coccineus  Brand USA: California Mountain slope east of Jacumba   K. M. Wiegand & M. C. Wiegand 1042 1935-4-21 
 GH: 02047681  Astragalus crassicarpus  Nuttall USA: Texas Huntsville   K. M. Wiegand & M. C. Wiegand 1044 1935-3-27 
 GH: 02047959  Astragalus distortus  Torr. & A. Gray USA: Texas Boca Chica   K. M. Wiegand & M. C. Wiegand 1040 1935-3-13 
 GH: 02052464  Astragalus lentiginosus fremontii (A. Gray ex Torrey) S. Watson USA: California desert, 10 miles south of Mojave   K. M. Wiegand & M. C. Wiegand 1051 1936-5-1 
 GH: 02052659  Astragalus leptocarpus  Torrey & A. Gray USA: Texas east of Eastland   K. M. Wiegand & M. C. Wiegand 1057 1935-3-30 
 GH: 02049560  Astragalus nuttallianus  de Candolle USA: Texas Beeville   K. M. Wiegand & M. C. Wiegand 1065 1935-3-11 
 GH: 02049591  Astragalus nuttallianus austrinus (Small) Barneby USA: Arizona 12 miles northeast of Patagonia, Route 82   K. M. Wiegand & M. C. Wiegand 1068a 1935-4-13 
 GH: 02049838  Astragalus pachypus  Greene USA: California Red Rock Canyon   K. M. Wiegand & M. C. Wiegand 1070 1935-5-2 
 GH: 02049940  Astragalus pectinatus  (Douglas ex Hooker) Douglas ex G. Don USA: Colorado roadside, 9 miles north of Wellington   K. M. Wiegand & M. C. Wiegand 1073 1935-6-14 
 GH: 02048023  Astragalus plattensis  Nuttall USA: South Dakota Trail Ridge Road   K. M. Wiegand & M. C. Wiegand 1074 1935-6-12 
 GH: 01885493  Dalea formosa  Torrey USA: Arizona 13 miles west of Douglas   K. M. Wiegand & M. C. Wiegand 1219 1935-4-13 
 GH: 01885525  Dalea formosa  Torrey USA: New Mexico northwest of Jackson   K. M. Wiegand & M. C. Wiegand 1220 1935-5-19 
 GH: 00369205  Dalea fremontii  Torrey ex A. Gray USA: California Little Lake   K. M. Wiegand & M. C. Wiegand 1221 1935-5-3 
 GH: 01921254  Dalea pogonathera  A. Gray USA: Texas east of Rio Grande City   K. M. Wiegand & M. C. Wiegand 1224 1935-3-14 
 GH: 01921684  Dalea sp.   USA: Arizona Ruby road, 16 miles west of Nogales   K. M. Wiegand & M. C. Wiegand 1228 1935-4-14 
 GH: 02149287  Lathyrus leucanthus  Rydberg USA: Colorado Route 7, 5 miles southwest of Lyons   K. M. Wiegand & M. C. Wiegand 1127 1935-6-11 
 GH: 02149276  Lathyrus leucanthus  Rydberg USA: Arizona Graham Mountains   K. M. Wiegand & M. C. Wiegand 1125 1935-5-16 
 GH: 02150096  Lathyrus polymorphus incanus (J. G. Smith & Rydberg) C. L. Hitchcock USA: Wyoming 10 miles north of Lingle   K. M. Wiegand & M. C. Wiegand 1130 1935-6-15 
 GH: 02085064  Lupinus argenteus  Pursh USA: Colorado Route 117, northeast of Sedalia   K. M. Wiegand & M. C. Wiegand 1154 1935-6-8 
 GH: 02176183  Lupinus diffusus  Nuttall USA: Florida Babson Park   K. M. Wiegand & M. C. Wiegand 1183 1935-2-13 
 GH: 02177542  Lupinus odoratus  A. Heller USA: California [data not captured]   K. M. Wiegand & M. C. Wiegand 1193 1935-5-6 
 GH: 02128135  Lupinus pusillus  Pursh USA: Arizona Holbrook road, 12 miles northwest of Hunt   K. M. Wiegand & M. C. Wiegand 1197 1935-5-20 
 GH: 02128232  Lupinus pusillus rubens (P. A. Rydberg) D. B. Dunn USA: Arizona 11 miles west of Navajo Bridge   K. M. Wiegand & M. C. Wiegand 1198 1935-5-23 
 GH: 01539657  Lupinus sparsiflorus mohavensis Dziek. & D. B. Dunn USA: Arizona Ruby road, 10 miles west of Nogales   K. M. Wiegand & M. C. Wiegand 1199 1935-4-14 
 GH: 02128908  Lupinus texensis  Hooker USA: Texas north of Laredo   K. M. Wiegand & M. C. Wiegand 1202 1935-3-15 
 GH: 02132854  Oxytropis lambertii  Pursh USA: Colorado 2 miles north of Boulder   K. M. Wiegand & M. C. Wiegand 1211 1935-6-11 
 GH: 02133003  Pediomelum esculentum  (Pursh) Rydberg USA: South Dakota Hot Springs   K. M. Wiegand & M. C. Wiegand 1238 1935-6-15 
 GH: 02133087  Pediomelum megalanthum retrorsum (Rydberg) J. W. Grimes USA: Arizona 14 miles southwest of Peach Springs   K. M. Wiegand & M. C. Wiegand 1240 1935-5-8 
 GH: 00369205  Psorothamnus fremontii  (Torrey ex A. Gray) Barneby USA: California Little Lake   K. M. Wiegand & M. C. Wiegand 1221 1935-5-3 
 GH: 02133983  Psorothamnus fremontii  (Torrey ex A. Gray) Barneby USA: Arizona 11 miles west of Navajo Bridge   K. M. Wiegand & M. C. Wiegand 1222 1935-5-23 
 GH: 02134060  Psorothamnus schottii  (Torrey) Barneby USA: California [data not captured]   K. M. Wiegand & M. C. Wiegand 1226 1935-4-22 
 GH: 02135459  Sophora nuttalliana  B. L. Turner USA: Colorado 3 miles north of Fort Collins   K. M. Wiegand & M. C. Wiegand 1246 1935-6-14 
 GH: 02342721  Trifolium dubium  Sibthorp USA: New York [data not captured]   K. M. Wiegand & M. C. Wiegand 2698 1914-7-1 
 GH: 02345125  Vicia americana  Muhlenberg ex Willdenow USA: South Dakota Bad Lands   K. M. Wiegand & M. C. Wiegand 1131 1935-6-19 
Fagaceae GH: 00344502  Quercus dumosa  Nuttall USA: California in hills 4 miles south of Beaumont   K. M. Wiegand & M. C. Wiegand 351 1935-4-23 
Geraniaceae GH: 01863707  Erodium texanum  A. Gray USA: Texas 1 mile west of Trent   K. M. Wiegand & M. C. Wiegand 43Q004 1935-3-31 
 GH: 01864867  Geranium parryi  (G. Engelmann ex A. Gray) A. Heller USA: Colorado Boulder Canyon   K. M. Wiegand & M. C. Wiegand  1935-6-6 
Hydrophyllaceae GH: 00402832  Eriodictyon crassifolium  Bentham USA: California "Palms to Pines Highway", west of summit   K. M. Wiegand & M. C. Wiegand 1804 1935-4-23 
Iridaceae GH: 01747426  Iris missouriensis  Nuttall USA: Colorado 21 miles north of Wellington   K. M. Wiegand & M. C. Wiegand 291 1935-6-14 
 GH: 01747503  Iris missouriensis  Nuttall USA: South Dakota Pringle: 1 mile north of Pringle   K. M. Wiegand & M. C. Wiegand 292 1935-6-16 
 GH: 01749432  Sisyrinchium graminoides  E. P. Bicknell USA: Texas 8 miles southwest of Victoria   K. M. Wiegand & M. C. Wiegand 299 1935-3-10 
 GH: 01749606  Sisyrinchium langloisii  Greene USA: Texas Huntsville   K. M. Wiegand & M. C. Wiegand 297 1935-3-26 
Juncaceae GH: 02102418  Juncus dudleyi  Wiegand USA: New York [data not captured]   K. M. Wiegand & M. C. Wiegand 274 1913-8-11 
Lamiaceae GH: 00403390  Audibertia stachyoides  Bentham USA: California 2 miles south of Beaumont   K. M. Wiegand & M. C. Wiegand 2024 1935-4-23 
 GH: 01555414  Brazoria arenaria  Lundell USA: Texas Roadside South of Encino   K. M. Wiegand & M. C. Wiegand 2026 1935-3-12 
 GH: 01598788  Poliomintha incana  (Torrey) A. Gray USA: Arizona 21 miles north of Navajo Bridge   K. M. Wiegand & M. C. Wiegand 2037 1935-5-23 
 GH: 01596494  Salazaria mexicana  Torrey USA: Arizona 10 miles southwest of Hackberry   K. M. Wiegand & M. C. Wiegand 2043 1935-5-8 
 GH: 00400880  Salvia apiana  Jepson USA: California Mountains east of Jacumba   K. M. Wiegand & M. C. Wiegand 2023 1935-4-21 
 GH: 00403338  Salvia dorrii pilosa (A. Gray) Strachan & Reveal USA: California Route 91, 14 miles east of Baker   K. M. Wiegand & M. C. Wiegand 2022 1935-5-6 
 GH: 01696119  Salvia henryi  A. Gray USA: Arizona 14 miles northwest of Clifton   K. M. Wiegand & M. C. Wiegand 2050 1935-5-17 
 GH: 00403390  Salvia mellifera  Greene USA: California 2 miles south of Beaumont   K. M. Wiegand & M. C. Wiegand 2024 1935-4-23 
 GH: 01696977  Scutellaria brittonii  Porter USA: Colorado 6 miles west of Lyons   K. M. Wiegand & M. C. Wiegand 2054 1935-6-11 
 GH: 01697032  Scutellaria drummondii drummondii  USA: Texas [no additional data]   K. M. Wiegand & M. C. Wiegand 2056 1935-3-24 
 GH: 01698984  Stachys coccinea  Ortega USA: Arizona Ruby road, 16 miles northwest of Nogales   K. M. Wiegand & M. C. Wiegand 2058 1935-4-14 
 GH: 01699003  Stachys drummondii  Bentham USA: Texas 3 miles southeast of San Benito   K. M. Wiegand & M. C. Wiegand 2059 1935-3-13 
 GH: 02539738  Teucrium canadense  Linnaeus USA: New York Ithaca Rd. to Lighthouse   K. M. Wiegand & M. C. Wiegand  1904-8-2 
 GH: 01700284  Teucrium cubense  Jacquin USA: Arizona Casa Grande Road, 16 miles northwest of Tucs...  K. M. Wiegand & M. C. Wiegand 2061 1935-4-19 
Liliaceae GH: 01540682  Hornungia procumbens  (Linnaeus) Hayek USA: California [data not captured]   K. M. Wiegand & M. C. Wiegand 702 1935-5-3 
Limnanthaceae GH: 01181168  Floerkea proserpinacoides  Willdenow USA: New York just below Varna cross-roads, Dryden   K. M. Wiegand & M. C. Wiegand 2753 1914-5-10 
Linaceae GH: 02053007  Linum imbricatum  (Rafinesque) Shinners USA: Texas 4 miles south of Falfurrias   K. M. Wiegand & M. C. Wiegand 1293 1935-3-12 
 GH: 02053617  Linum puberulum  (Engelmann) A. Heller USA: Arizona 5 miles south of Tombstone   K. M. Wiegand & M. C. Wiegand 1295 1935-4-13 
 GH: 02053827  Linum rigidum filifolium Shinners USA: Texas 11 miles north of Laredo   K. M. Wiegand & M. C. Wiegand 1294 1935-3-20 
Lobeliaceae GH: 01798447  Lobelia kalmii  Linnaeus USA: New York Upper Lake, Tully   K. M. Wiegand & M. C. Wiegand 1184 1913-8-11 
Malvaceae GH: 02202353  Callirhoe involucrata lineariloba (Torrey & A. Gray) A. Gray USA: Texas 5 miles east of Round Rock   K. M. Wiegand & M. C. Wiegand 1440 1935-3-25 
 GH: 00420395  Eremalche rotundifolia  (A. Gray) Greene USA: California 4 miles east of Darwin    K. M. Wiegand & M. C. Wiegand 1442 1935-5-4 
 GH: 00420395  Malvastrum rotundifolium  A. Gray USA: California 4 miles east of Darwin    K. M. Wiegand & M. C. Wiegand 1442 1935-5-4 
 GH: 02199519  Sphaeralcea coccinea  (Nuttall) Rydberg USA: Colorado Penrose   K. M. Wiegand & M. C. Wiegand 1453 1935-6-10 
 GH: 02199618  Sphaeralcea coccinea  (Nuttall) Rydberg USA: Texas College grounds, Alpine   K. M. Wiegand & M. C. Wiegand 1446 1935-4-7 
 GH: 02199612  Sphaeralcea coccinea  (Nuttall) Rydberg USA: South Dakota between Belvidere and Stamford   K. M. Wiegand & M. C. Wiegand 1455 1935-6-19 
 GH: 02199855  Sphaeralcea hastulata  A. Gray USA: New Mexico between Jackson and Pleasanton   K. M. Wiegand & M. C. Wiegand 1466 1935-5-19 
 GH: 02199913  Sphaeralcea hastulata  A. Gray USA: Texas 13 miles north of Encinal   K. M. Wiegand & M. C. Wiegand 1462 1935-3-20 
 GH: 02198150  Sphaeralcea pedatifida  (A. Gray) A. Gray USA: Texas north of Laredo   K. M. Wiegand & M. C. Wiegand 1460 1935-3-15 
 GH: 02198170  Sphaeralcea rusbyi  A. Gray USA: Arizona 14 miles west of Navajo Bridge   K. M. Wiegand & M. C. Wiegand 1461 1935-5-23 
Mimosaceae GH: 01679847  Acacia amentacea  de Candolle USA: Texas between Zapata and San Ygnacio   K. M. Wiegand & M. C. Wiegand 1020 1935-3-14 
 GH: 01680461  Acacia berlandieri  Bentham USA: Texas north of Laredo   K. M. Wiegand & M. C. Wiegand 1022 1935-3-15 
 GH: 01680730  Acacia farnesiana  (Linnaeus) Willdenow USA: Texas 4 miles south of Millett   K. M. Wiegand & M. C. Wiegand 1027 1935-3-30 
 GH: 01680777  Acacia greggii  A. Gray USA: Arizona near Aztec   K. M. Wiegand & M. C. Wiegand 1030 1935-4-20 
 GH: 01680966  Acacia roemeriana  Scheele USA: Texas north of Laredo   K. M. Wiegand & M. C. Wiegand 1031 1935-3-15 
 GH: 01680992  Acacia schottii  Torrey USA: Texas St. Helena Canyon   K. M. Wiegand & M. C. Wiegand 1032 1935-4-6 
 GH: 01786155  Calliandra eriophylla  Bentham USA: Arizona 13 miles west of Douglas   K. M. Wiegand & M. C. Wiegand 1106 1935-4-13 
 GH: 01680342  Mimosa texana  (A. Gray) Small USA: Texas southeast of Zapata   K. M. Wiegand & M. C. Wiegand 1208 1935-3-14 
 GH: 01992275  Prosopis glandulosa torreyana (L. D. Benson) M. C. Johnston USA: Texas St. Helena Canyon   K. M. Wiegand & M. C. Wiegand 1234 1935-4-6 
 GH: 01992407  Prosopis velutina  Wooton USA: Arizona Yuma road, 7 miles west of Gila Bend   K. M. Wiegand & M. C. Wiegand 1236 1935-4-20 
Nyctaginaceae GH: 01642392  Abronia fragrans  Nuttall ex Hooker USA: Arizona 14 miles north of Concho   K. M. Wiegand & M. C. Wiegand 501 1935-5-20 
 GH: 01642395  Abronia fragrans  Nuttall ex Hooker USA: Colorado Grieley - Loveland   K. M. Wiegand & M. C. Wiegand 502 1935-6-5 
Oleaceae GH: 01847012  Chionanthus virginicus  Linnaeus USA: Texas 5 miles south of Huntsville   K. M. Wiegand & M. C. Wiegand  1935-3-27 
 GH: 01847216  Forestiera acuminata  (Michaux) Poiret USA: Texas near Richmond   K. M. Wiegand & M. C. Wiegand  1935-3-9 
 GH: 01847360  Forestiera neo-mexicana  A. Gray USA: Arizona 8 miles north of Prescott   K. M. Wiegand & M. C. Wiegand  1935-5-9 
 GH: 01847427  Forestiera phillyreoides  (Bentham) Torrey USA: Arizona Baboquivari anger Camp, east of Sells   K. M. Wiegand & M. C. Wiegand  1935-4-17 
 GH: 01847468  Forestiera pubescens  Nuttall USA: Texas east of Weatherford   K. M. Wiegand & M. C. Wiegand  1935-3-29 
 GH: 00401150  Fraxinus dipetala  Hooker & Arnott USA: California 2 miles south of Beaumont   K. M. Wiegand & M. C. Wiegand 1672 1935-4-23 
 GH: 01850377  Fraxinus velutina  Torrey USA: Arizona 15 miles west of Williams   K. M. Wiegand & M. C. Wiegand  1935-5-5 
 GH: 01850405  Fraxinus velutina  Torrey USA: New Mexico down from Cloudcroft   K. M. Wiegand & M. C. Wiegand  1935-4-10 
 GH: 01850715  Menodora heterophylla  Moricand ex A. de Candolle USA: Texas 12 miles north of Laredo   K. M. Wiegand & M. C. Wiegand  1935-3-20 
Onagraceae GH: 01624604  Calylophus drummondianus berlandieri (Spach) Towner & P. H. Raven USA: Texas north of Laredo   K. M. Wiegand & M. C. Wiegand 1585 1935-3-15 
 GH: 01624789  Calylophus hartwegii pubescens (A. Gray) Towner & P. H. Raven USA: Texas College grounds, Alpine   K. M. Wiegand & M. C. Wiegand 1568 1935-4-7 
 GH: 01624974  Calylophus serrulatus  (Nuttall) P. H. Raven USA: South Dakota Hot Springs (South Dakota): [no additional d...  K. M. Wiegand & M. C. Wiegand 1586 1935-6-15 
 GH: 01625082  Camissonia arenaria  (A. Nelson) P. H. Raven USA: Arizona Desert, 15 miles east of Yuma   K. M. Wiegand & M. C. Wiegand 1552 1935-4-20 
 GH: 01625288  Camissonia brevipes  (A. Gray) Raven USA: California valley, southeast of Owens Lake   K. M. Wiegand & M. C. Wiegand 1545 1935-5-4 
 GH: 01625418  Camissonia campestris  (Greene) P. H. Raven USA: California north end of Red Rock Canyon   K. M. Wiegand & M. C. Wiegand 1565 1935-5-2 
 GH: 01625446  Camissonia chamaenerioides  (A. Gray) P. H. Raven USA: Arizona Desert east of Tucson   K. M. Wiegand & M. C. Wiegand 1554 1935-4-18 
 GH: 01625554  Camissonia claviformis peeblesii (Munz) P. H. Raven USA: Arizona Sells road, 15 miles southwest of Tucson   K. M. Wiegand & M. C. Wiegand 1556 1935-4-16 
 GH: 01625570  Camissonia claviformis yumae (P. H. Raven) P. H. Raven USA: California Route 80, near Midway Wells, southeastern Im...  K. M. Wiegand & M. C. Wiegand 1558 1935-4-20 
 GH: 01625593  Camissonia confusa  P. H. Raven USA: California 2 miles south of Beaumont   K. M. Wiegand & M. C. Wiegand 1577 1935-4-23 
 GH: 00367660  Camissonia kernensis  (Munz) P. H. Raven USA: California 1 1/2 miles east of summit of Walker Pass   K. M. Wiegand & M. C. Wiegand 1563 1935-5-2 
 GH: 01625860  Camissonia pallida pallida (Abrams) P. H. Raven USA: California Mountains east of Jacumba   K. M. Wiegand & M. C. Wiegand 1579 1935-4-21 
 GH: 01675165  Camissonia walkeri walkeri  USA: Arizona Navajo Bridge   K. M. Wiegand & M. C. Wiegand 1582 1935-5-23 
 GH: 01780886  Oenothera albicaulis  Nuttall USA: Colorado Greeley to Loveland   K. M. Wiegand & M. C. Wiegand 1543 1935-6-5 
 GH: 01645646  Oenothera deltoides deltoides Torr. & Frém. USA: Arizona 15 miles east of Yuma   K. M. Wiegand & M. C. Wiegand 1562 1935-4-20 
 GH: 01644265  Oenothera grandis  (Britton) Smyth USA: Texas 1 mile north of Trent   K. M. Wiegand & M. C. Wiegand 1574 1935-3-31 
 GH: 01643842  Oenothera speciosa  Nuttall USA: Texas 4 miles southeast of San Benito   K. M. Wiegand & M. C. Wiegand 1590 1935-3-13 
 GH: 01643845  Oenothera speciosa  Nuttall USA: Texas 10 miles south of Huntsville   K. M. Wiegand & M. C. Wiegand 1593 1935-3-27 
 GH: 01643854  Oenothera speciosa  Nuttall USA: Texas southwest of Louise   K. M. Wiegand & M. C. Wiegand 1587 1935-3-10 
Orchidaceae AMES: 02050899  Listera australis  Lindley USA: Louisiana Cottage Plantation, Bains   K. M. Wiegand & M. C. Wiegand 300 1935-3-3 
Orobanchaceae GH: 02033897  Castilleja affinis  Hooker f. & Arnott USA: California Jacumba to Boulevard   K. M. Wiegand & M. C. Wiegand 2092 1935-4-21 
 GH: 01876088  Castilleja chromosa  A. Nelson USA: Arizona 3 miles south of Ryan, Kaibab National Fores...  K. M. Wiegand & M. C. Wiegand 2100 1935-5-24 
 GH: 01876118  Castilleja chromosa  A. Nelson USA: California west of Darwin   K. M. Wiegand & M. C. Wiegand 2093 1935-5-4 
 GH: 01876115  Castilleja chromosa  A. Nelson USA: California Johnson grade, Bear Lake to San Bernardino   K. M. Wiegand & M. C. Wiegand 2101 1935-4-25 
 GH: 01876861  Castilleja foliolosa  Hooker & Arnott USA: California Jacumba to Boulevard   K. M. Wiegand & M. C. Wiegand 2103 1935-4-21 
 GH: 01877222  Castilleja indivisa  Engelmann USA: Texas between Thorndale and Rockdale   K. M. Wiegand & M. C. Wiegand 2109 1935-3-25 
 GH: 01877241  Castilleja integra  A. Gray USA: Arizona 8 miles east of Flagstaff   K. M. Wiegand & M. C. Wiegand 2112 1935-5-21 
 GH: 01877307  Castilleja integra  A. Gray USA: New Mexico San Francisco Mountain   K. M. Wiegand & M. C. Wiegand 2111 1935-5-19 
 GH: 01878793  Castilleja purpurea  (Nuttall) G. Don USA: Texas Kerrville road, 22 miles northwest of San An...  K. M. Wiegand & M. C. Wiegand 2118 1935-3-23 
 GH: 01879391  Castilleja sulphurea  Rydberg USA: South Dakota Route 85, 2 miles north of Deadwood   K. M. Wiegand & M. C. Wiegand 2119 1935-6-18 
 GH: 02081574  Orthocarpus purpurascens  Bentham USA: Arizona 23 miles west of Casa Grande   K. M. Wiegand & M. C. Wiegand 2139 1935-4-19 
Oxalidaceae GH: 01585015  Oxalis dichondraefolia  A. Gray USA: Texas north of Laredo   K. M. Wiegand & M. C. Wiegand 1274 1935-3-15 
 GH: 01585346  Oxalis dillenii  Jacquin USA: Texas College grounds, Alpine   K. M. Wiegand & M. C. Wiegand 1280 1935-4-7 
 GH: 01585789  Oxalis pilosa  Nuttall USA: Arizona Ruby road, 15 miles west of Nogales   K. M. Wiegand & M. C. Wiegand 1278 1935-4-14 
 GH: 01856137  Oxalis texana  (Small) Fedde USA: Texas Grapeland   K. M. Wiegand & M. C. Wiegand 1283 1935-3-28 
 GH: 01856307  Oxalis violacea  Linnaeus USA: South Dakota vicinity of Iron Mountain, Black Hills   K. M. Wiegand & M. C. Wiegand 1287 1935-6-17 
 GH: 01856321  Oxalis violacea  Linnaeus USA: Texas Huntsville   K. M. Wiegand & M. C. Wiegand 1286 1935-3-27 
Papaveraceae GH: 01856480  Argemone albiflora  Hornemann USA: Texas Encinal   K. M. Wiegand & M. C. Wiegand 612 1935-3-30 
 GH: 01856593  Argemone munita argentea G. B. Ownbey USA: California Darwin Gorge, 10 miles east of Darwin   K. M. Wiegand & M. C. Wiegand 617 1935-5-4 
 GH: 01738308  Corydalis aurea  Willdenow USA: Arizona Graham Mountains   K. M. Wiegand & M. C. Wiegand 634 1935-5-16 
 GH: 01738334  Corydalis aurea  Willdenow USA: Colorado near Virginia Dale   K. M. Wiegand & M. C. Wiegand 636 1935-6-4 
 GH: 01738527  Corydalis aurea occidentalis (Engelmann ex A. Gray) Ownbey USA: Texas 6 miles north of Hermleigh   K. M. Wiegand & M. C. Wiegand 644 1935-3-31 
 GH: 01738980  Corydalis micrantha australis (Chapman) Ownbey USA: Texas Edna   K. M. Wiegand & M. C. Wiegand 633 1935-3-10 
 GH: 00381478  Dendromecon rigida  Bentham USA: California West slope near summit, "Pines to Palms High...  K. M. Wiegand & M. C. Wiegand 620 1935-4-23 
 GH: 01857005  Eschscholzia californica mexicana (Greene) C. Clark USA: Arizona 7 miles northwest of Ruby   K. M. Wiegand & M. C. Wiegand 626 1935-4-14 
 GH: 00381542  Eschscholzia minutiflora  S. Watson USA: California Mountains west of Coyote Wells   K. M. Wiegand & M. C. Wiegand 629 1935-4-21 
Phyllanthaceae GH: 01971567  Phyllanthus polygonoides  Nuttall ex Sprengel USA: Texas north of Laredo   K. M. Wiegand & M. C. Wiegand 1362 1935-3-15 
Pinaceae GH: 00397818  Pinus banksiana  Lambert USA: Michigan Near Rexford   K. M. Wiegand & M. C. Wiegand 48 1935-6-30 
Plantaginaceae GH: 01998210  Besseya plantaginea  (E. James) P. A. Rydberg USA: Colorado Big Thompson Canyon, 8 miles east of Estes P...  K. M. Wiegand & M. C. Wiegand 2185 1935-6-14 
 GH: 01998312  Collinsia bartsiifolia  Bentham USA: California [data not captured]   K. M. Wiegand & M. C. Wiegand 2121 1935-5-1 
 GH: 01998338  Collinsia childii  Parry USA: California [data not captured]   K. M. Wiegand & M. C. Wiegand 2122 1935-5-2 
 GH: 01998713  Collinsia parviflora  Lindley USA: Colorado Clauser Ranch   K. M. Wiegand & M. C. Wiegand 2124 1935-6-13 
 GH: 01998832  Collinsia parviflora  Lindley USA: South Dakota Harney National Forest, southeast of Pringle   K. M. Wiegand & M. C. Wiegand 2125 1935-6-16 
 GH: 00365673  Keckiella antirrhinoides  (Bentham) Straw USA: California 5 miles south of Beaumont   K. M. Wiegand & M. C. Wiegand 2145 1935-4-23 
 GH: 02001800  Nuttallanthus texanus  (Scheele) D. A. Sutton USA: Texas 8 miles southwest of Victoria   K. M. Wiegand & M. C. Wiegand 2128 1935-3-10 
 GH: 02001989  Penstemon albidus  Nuttall USA: South Dakota 7 miles north of Deadwood   K. M. Wiegand & M. C. Wiegand 2143 1935-6-18 
 GH: 02119373  Penstemon eriantherus  Pursh USA: South Dakota Bad Lands   K. M. Wiegand & M. C. Wiegand 2152 1935-6-19 
 GH: 02119478  Penstemon fendleri  Torrey USA: Texas College ground, Alpine   K. M. Wiegand & M. C. Wiegand 2153 1935-4-7 
 GH: 02120388  Penstemon humilis  Nuttall ex A. Gray USA: Colorado Phantom Gorge, between Canon City and Crippl...  K. M. Wiegand & M. C. Wiegand 2157 1935-6-10 
 GH: 02121379  Penstemon pachyphyllus  (A. Gray) Rydberg USA: New Mexico Desert Roadside, mountain pass, Alamogordo -...  K. M. Wiegand & M. C. Wiegand 2161 1935-4-11 
 GH: 02121376  Penstemon pachyphyllus  (A. Gray) Rydberg USA: Arizona Oak Canyon, Ryan, Kaibab Plateau   K. M. Wiegand & M. C. Wiegand 2164 1935-5-24 
 GH: 02121527  Penstemon palmeri  A. Gray USA: Nevada [data not captured]   K. M. Wiegand & M. C. Wiegand 2166 1935-5-6 
 GH: 02122410  Penstemon secundiflorus  Bentham USA: Colorado Phantom Gorge, between Canon City and Crippl...  K. M. Wiegand & M. C. Wiegand 2171 1935-6-10 
 GH: 02122715  Penstemon spectabilis  Thurber ex A. Gray USA: Arizona Mountains, 22 miles east of Clifton   K. M. Wiegand & M. C. Wiegand 2174 1935-5-19 
 GH: 01802114  Plantago erecta  E. Morris USA: California [data not captured]   K. M. Wiegand & M. C. Wiegand 2209 1935-4-21 
 GH: 01802356  Plantago heterophylla  Nuttall USA: Texas [no additional data]   K. M. Wiegand & M. C. Wiegand 2206 1935-3-24 
 GH: 01802409  Plantago hookeriana  Fischer & C. A. Meyer USA: Texas 11 miles north of Laredo   K. M. Wiegand & M. C. Wiegand 2208 1935-3-20 
 GH: 01803404  Plantago ovata  Forsskål USA: Arizona east of Tucson   K. M. Wiegand & M. C. Wiegand 2211 1935-4-18 
 GH: 01803589  Plantago patagonica  Jacquin USA: New Mexico Alamogordo to Las Cruces   K. M. Wiegand & M. C. Wiegand 2212 1935-4-4 
 GH: 01803817  Plantago rhodosperma  Decaisne USA: Arizona Roadside, 2 miles west of Cooidge   K. M. Wiegand & M. C. Wiegand 2220 1935-4-19 
 GH: 01803887  Plantago rhodosperma  Decaisne USA: Texas roadside, 13 miles north of Encinal   K. M. Wiegand & M. C. Wiegand 2217 1935-3-20 
 GH: 01805993  Veronica peregrina  Linnaeus USA: Louisiana [data not captured]   K. M. Wiegand & M. C. Wiegand 2186 1935-3-7 
 GH: 01811271  Veronica peregrina xalapensis (Kunth) Pennell USA: Texas western Bastrop County   K. M. Wiegand & M. C. Wiegand 2188 1935-3-24 
Poaceae GH: 00361906  Bromus rubens  Linnaeus USA: California mountains west of Coyote Wells   K. M. Wiegand & M. C. Wiegand 113 1935-4-21 
 GH: 02465595  Dichanthelium lanuginosum  (Elliott) Gould USA: New York Ithaca: South Hill.   K. M. Wiegand & M. C. Wiegand 23970 1904-7-25 
 GH: 00355677  Distichlis spicata  (Linnaeus) Greene USA: California 1 mile north of Lancaster   K. M. Wiegand & M. C. Wiegand 123 1935-5-1 
Polemoniaceae GH: 01000322  Aliciella leptomeria  (A. Gray) J. M. Porter USA: Arizona 8 miles southeast of Fredonia   K. M. Wiegand & M. C. Wiegand 1719 1935-5-23 
 GH: 01092473  Collomia linearis  Nuttall USA: South Dakota Harney National Forest, east of Pringle   K. M. Wiegand & M. C. Wiegand 1700 1935-6-16 
 GH: 01092610  Eriastrum diffusum  (A. Gray) H. Mason USA: Arizona Route 80, 25 miles west of Gila Bend   K. M. Wiegand & M. C. Wiegand 1746 1935-4-20 
 GH: 01092629  Eriastrum diffusum  (A. Gray) H. Mason USA: New Mexico Alamogordo to Las Cruces   K. M. Wiegand & M. C. Wiegand 1742 1935-4-11 
 GH: 01000752  Gilia transmontana  (H. Mason & A. D. Grant) A. D. Grant & V. E. Grant USA: Arizona slope of Kaibab Plateau, 1 mile west of east...  K. M. Wiegand & M. C. Wiegand 1718 1935-5-23 
 GH: 01000754  Gilia transmontana  (H. Mason & A. D. Grant) A. D. Grant & V. E. Grant USA: Arizona Ruby road, 8 miles northwest of Nogales   K. M. Wiegand & M. C. Wiegand 1707 1935-4-14 
 GH: 01000976  Giliastrum rigidulum  (Bentham) Rydberg USA: Texas 10 miles east of Johnson City   K. M. Wiegand & M. C. Wiegand 1729 1935-3-23 
 GH: 00985393  Ipomopsis aggregata collina (Greene) Wilken & Allard USA: Colorado Route 117, northeast of Sedalia   K. M. Wiegand & M. C. Wiegand 1703 1935-6-8 
 GH: 01104151  Ipomopsis longiflora  (Torrey) V. E. Grant USA: Texas 23 miles north of Van Horn   K. M. Wiegand & M. C. Wiegand 1720 1935-4-8 
 GH: 01104215  Ipomopsis polycladon  (Torrey) V. E. Grant USA: Arizona slope of Kaibab Plateau, 1 mile west of east...  K. M. Wiegand & M. C. Wiegand 1727 1935-5-23 
 GH: 01105163  Leptosiphon chrysanthus  J. M. Porter & R. Patterson USA: Arizona 11 miles west of Williams   K. M. Wiegand & M. C. Wiegand 1762 1935-5-9 
 GH: 01105185  Leptosiphon chrysanthus  J. M. Porter & R. Patterson USA: California [data not captured]   K. M. Wiegand & M. C. Wiegand 1761 1935-5-6 
 GH: 00385217  Linanthus bellus  (A. Gray) Greene USA: California Jacumba to Boulevard    K. M. Wiegand & M. C. Wiegand 1763 1935-4-21 
 GH: 01565227  Microsteris gracilis  (Hooker) Greene USA: Arizona 7 miles west of Williams   K. M. Wiegand & M. C. Wiegand 1769 1935-5-9 
 GH: 01571191  Phlox austromontana  Coville USA: Arizona slope of Kaibab Plateau, 4 miles west of eas...  K. M. Wiegand & M. C. Wiegand 1774 1935-5-23 
 GH: 01571746  Phlox divaricata  Linnaeus USA: New York Ithaca: Cayuga Heights Road 1/2 mile north o...  K. M. Wiegand & M. C. Wiegand 3045 1914-5-15 
 GH: 01571755  Phlox divaricata  Linnaeus USA: New York state highway bank three miles north of Jame...  K. M. Wiegand & M. C. Wiegand 3049 1914-5-24 
 GH: 01571996  Phlox drummondii glabriflora Brand USA: Texas 14 miles southwest of Victoria   K. M. Wiegand & M. C. Wiegand 1778 1935-3-10 
 GH: 01574070  Phlox drummondii wilcoxiana Wherry USA: Texas [no additional data]   K. M. Wiegand & M. C. Wiegand 1784 1935-3-24 
 GH: 01686526  Phlox pulcherrima  Lundell USA: Texas 15 miles south of Huntsville   K. M. Wiegand & M. C. Wiegand 1795 1935-3-27 
 GH: 01686676  Phlox stansburyi  (Torrey) A. Heller USA: Arizona Tusayan National Forest, east boundary of Gr...  K. M. Wiegand & M. C. Wiegand 1788 1935-5-22 
 GH: 01686744  Phlox stansburyi  (Torrey) A. Heller USA: Arizona 8 miles north of Jacobs Lake, Kaibab Nationa...  K. M. Wiegand & M. C. Wiegand 1791 1935-5-23 
 GH: 01686954  Phlox woodhousei  (A. Gray) E. E. Nelson USA: New Mexico 26 miles north of Glenwood   K. M. Wiegand & M. C. Wiegand 1787 1935-5-19 
Polygonaceae GH: 02346361  Bistorta bistortoides  (Pursh) Small USA: Colorado Big Thompson Canyon, 2 miles east of Estes P...  K. M. Wiegand & M. C. Wiegand 461 1935-6-14 
 GH: 01717448  Centrostegia thurberi  A. Gray USA: Arizona 14 miles west of Hackberry   K. M. Wiegand & M. C. Wiegand 420 1935-5-8 
 GH: 01652096  Eriogonum deflexum  Torrey USA: Arizona 23 miles west of Casa Grande   K. M. Wiegand & M. C. Wiegand 431 1935-4-19 
 GH: 01652185  Eriogonum divaricatum  Hooker USA: Arizona in Painted Desert, 17 miles north of Cameron   K. M. Wiegand & M. C. Wiegand 433 1935-5-22 
 GH: 01986443  Eriogonum ovalifolium  Nuttall USA: Arizona 1 mile west of eastern entrnace to Kaibab Na...  K. M. Wiegand & M. C. Wiegand 451 1935-5-23 
 GH: 01986928  Eriogonum pusillum  Torrey & A. Gray USA: California [data not captured]   K. M. Wiegand & M. C. Wiegand 453 1935-5-2 
 GH: 01966324  Eriogonum reniforme  Torr. & Frém. USA: California [data not captured]   K. M. Wiegand & M. C. Wiegand 455 1935-5-5 
 GH: 01966931  Eriogonum thomasii  Torrey USA: Arizona 23 miles west of Casa Grande   K. M. Wiegand & M. C. Wiegand 456 1935-4-19 
 GH: 02043157  Eriogonum trichopes  Torrey USA: Nevada [data not captured]   K. M. Wiegand & M. C. Wiegand 444 1935-5-7 
 GH: 02364125  Oxytheca perfoliata  Torrey & A. Gray USA: California [data not captured]   K. M. Wiegand & M. C. Wiegand 460 1935-5-4 
 GH: 01539599  Polygonum argyrocoleon  Steudel ex Kunze USA: Arizona Globe - Coolidge   K. M. Wiegand & M. C. Wiegand 462 1935-4-19 
 GH: 02004409  Rumex venosus  Pursh USA: Colorado 5 miles north of Wellington   K. M. Wiegand & M. C. Wiegand 470 1935-6-14 
 GH: 02004554  Rumex verticillatus  Linnaeus USA: New York [data not captured]   K. M. Wiegand & M. C. Wiegand 398 1913-7-14 
Pontederiaceae GH: 01919152  Heteranthera dubia  MacMillan USA: New York Cayuga Lake, near Cayuga   K. M. Wiegand & M. C. Wiegand 266 1913-7-19 
Portulacaceae GH: 01858252  Cistanthe monandra  (Nuttall) Hershkovitz USA: California Mountains east of Jacumba   K. M. Wiegand & M. C. Wiegand 522 1935-4-21 
Potamogetonaceae GH: 01572165  Potamogeton foliosus  Rafinesque USA: New York Tully   K. M. Wiegand & M. C. Wiegand 57 1913-8-11 
Primulaceae GH: 01942411  Androsace arizonica  A. Gray USA: Arizona Ruby road, 15 miles northwest of Nogales   K. M. Wiegand & M. C. Wiegand 1648 1935-4-14 
 GH: 01942411  Androsace occidentalis arizonica (A. Gray) H. St. John USA: Arizona Ruby road, 15 miles northwest of Nogales   K. M. Wiegand & M. C. Wiegand 1648 1935-4-14 
 GH: 01942529  Androsace septentrionalis  Linnaeus USA: Colorado Big Thompson Canyon, 8 miles east of Estes P...  K. M. Wiegand & M. C. Wiegand 1652 1935-6-14 
 GH: 01922717  Dodecatheon pulchellum  (Rafinesque) Merrill USA: Colorado Big Thompson Canon, 18 miles east of Estes P...  K. M. Wiegand & M. C. Wiegand 1654 1935-6-14 
 GH: 01922760  Dodecatheon pulchellum  (Rafinesque) Merrill USA: South Dakota 6-7 miles north of Custer   K. M. Wiegand & M. C. Wiegand 1655 1935-6-16 
Ranunculaceae GH: 01706280  Anemone berlandieri  Pritzel USA: Texas Huntsville   K. M. Wiegand & M. C. Wiegand 556 1935-3-26 
 GH: 01708046  Anemone patens multifida Pritzel USA: Colorado near Virginia Dale   K. M. Wiegand & M. C. Wiegand 558 1935-6-4 
 GH: 01658100  Cyrtorhyncha ranunculina  Nuttall USA: Colorado near Virginia Dale   K. M. Wiegand & M. C. Wiegand 588 1935-6-4 
 GH: 01658381  Delphinium bicolor  Nuttall USA: South Dakota Pringle: Harney National Forest, near Pringl...  K. M. Wiegand & M. C. Wiegand 564 1935-6-16 
 GH: 01660247  Delphinium scaposum  Greene USA: Arizona northeast of Aravaca   K. M. Wiegand & M. C. Wiegand 573 1935-4-14 
 GH: 01661612  Myosurus cupulatus  S. Watson USA: Arizona Ruby Road, northwest of Nogales   K. M. Wiegand & M. C. Wiegand 578 1935 
 GH: 01663873  Ranunculus fascicularis  Muhlenberg ex Bigelow USA: Texas 7 miles south of Crockett   K. M. Wiegand & M. C. Wiegand 584 1935-3-28 
 GH: 01663875  Ranunculus fascicularis  Muhlenberg ex Bigelow USA: Texas Hungerford   K. M. Wiegand & M. C. Wiegand 582 1935-3-9 
 GH: 01665236  Ranunculus hispidus nitidus (Elliot) Duncan USA: Texas near Richmond   K. M. Wiegand & M. C. Wiegand 591 1935-3-9 
 GH: 01836109  Ranunculus macranthus  Scheele USA: Texas Route 43, 5 miles east of Round Rock   K. M. Wiegand & M. C. Wiegand 586 1935-3-25 
 GH: 01837239  Ranunculus pusillus  Poiret USA: Texas [no additional data]   K. M. Wiegand & M. C. Wiegand 592 1935-3-24 
Rhamnaceae GH: 00349055  Ceanothus cuneatus  (Hooker) Nuttall USA: California "Palms to Pines Highway"   K. M. Wiegand & M. C. Wiegand 1415 1935-4-23 
 GH: 00349871  Ceanothus divaricatus  Nuttall ex Torrey & A. Gray USA: California Mountains west of Boulevard   K. M. Wiegand & M. C. Wiegand 1416 1935-4-21 
 GH: 00349378  Ceanothus greggii perplexans (Trelease) Jepson USA: California 2 miles south of Beaumont   K. M. Wiegand & M. C. Wiegand 1424 1935-4-23 
 GH: 01789857  Ceanothus herbaceus  Rafinesque USA: Texas Huntsville   K. M. Wiegand & M. C. Wiegand  1935-3-27 
 GH: 00349871  Ceanothus oliganthus  Nuttall USA: California Mountains west of Boulevard   K. M. Wiegand & M. C. Wiegand 1416 1935-4-21 
 GH: 00349378  Ceanothus perplexans  Trelease USA: California 2 miles south of Beaumont   K. M. Wiegand & M. C. Wiegand 1424 1935-4-23 
 GH: 01972364  Karwinskia humboldtiana  (Schultes) Zuccarini USA: Texas Roma to Zapata   K. M. Wiegand & M. C. Wiegand 1429 1935-3-14 
 GH: 00378249  Rhamnus crocea  Nuttall ex Torrey & A. Gray USA: California 2 miles south of Beaumont   K. M. Wiegand & M. C. Wiegand 1432 1935-4-23 
 A: 01971141  Ziziphus obtusifolia  (Hooker ex Torrey & A. Gray) A. Gray USA: Texas Santa Elena Canyon   K. M. Wiegand & M. C. Wiegand 1425 1935-4-6 
 GH: 01971149  Ziziphus obtusifolia  (Hooker ex Torrey & A. Gray) A. Gray USA: Texas 4 miles south of Millett   K. M. Wiegand & M. C. Wiegand 1427 1935-3-20 
Rosaceae GH: 00345302  Adenostoma fasciculatum  Hooker & Arnott USA: California 5 miles south of Beaumont   K. M. Wiegand & M. C. Wiegand 847 1935-4-23 
 GH: 01587337  Cercocarpus montanus  Rafinesque USA: Colorado Route 117, northeast of Sedalia   K. M. Wiegand & M. C. Wiegand 922 1935-6-8 
 GH: 01587620  Cercocarpus montanus glaber (S. Watson) F. L. Martin USA: California Western slope of summit, "Palms to Pines Hig...  K. M. Wiegand & M. C. Wiegand 921 1935-4-23 
 GH: 01587951  Coleogyne ramosissima  Torrey USA: Arizona 19 miles west of Navajo Bridge, Grand Canyon   K. M. Wiegand & M. C. Wiegand 925 1935-5-23 
 GH: 01612826  Crataegus erythropoda  Ashe USA: Colorado Castle Rock   K. M. Wiegand & M. C. Wiegand 936 1935-6-8 
 GH: 01615615  Crataegus macracantha occidentalis (Britton) Eggleston USA: Colorado Route 7, 3 miles west of Lyons   K. M. Wiegand & M. C. Wiegand 939 1935-6-11 
 GH: 01615617  Crataegus macracantha occidentalis (Britton) Eggleston USA: Colorado Red Rocks Park, Mt. Morrison   K. M. Wiegand & M. C. Wiegand 935 1935-6-7 
 GH: 01615641  Crataegus macracantha occidentalis (Britton) Eggleston USA: South Dakota Whitewood   K. M. Wiegand & M. C. Wiegand 941 1935-6-18 
 GH: 01667763  Crataegus marshallii  Eggleston USA: Texas Huntsville   K. M. Wiegand & M. C. Wiegand 937 1935-3-26 
 GH: 01647491  Crataegus rivularis  Nuttall ex Torrey & A. Gray USA: Utah Nebo Pass, 4 miles east of Nephi   K. M. Wiegand & M. C. Wiegand 942 1935-5-26 
 GH: 01648421  Crataegus spathulata  Michaux USA: Texas Huntsville   K. M. Wiegand & M. C. Wiegand 944 1935-3-26 
 GH: 01648721  Crataegus suborbiculata  Sargent USA: Michigan 2 miles south of Mackinaw City   K. M. Wiegand & M. C. Wiegand 945 1935-7-1 
 GH: 01650608  Crataegus viridis  Linnaeus USA: Texas Huntsville   K. M. Wiegand & M. C. Wiegand 950 1935-3-26 
 GH: 01650612  Crataegus viridis  Linnaeus USA: Texas Route 43, west of Rockdale   K. M. Wiegand & M. C. Wiegand 949 1935-3-25 
 GH: 01650613  Crataegus viridis  Linnaeus USA: Texas Route 43, west of Rockdale   K. M. Wiegand & M. C. Wiegand 948 1935-3-25 
 GH: 01608395  Drymocallis fissa  (Nuttall) Rydberg USA: Colorado Estes Park: Clauser Ranch   K. M. Wiegand & M. C. Wiegand 967 1935-6-13 
 GH: 01608565  Drymocallis glandulosa  (Lindley) Rydberg USA: South Dakota summit, Iron Mountain, Black Hills   K. M. Wiegand & M. C. Wiegand 964 1935-6-17 
 GH: 01588986  Fallugia paradoxa  (D. Don) Endlicher USA: Arizona Mountains, 20 miles east of Clifton   K. M. Wiegand & M. C. Wiegand 953 1935-5-19 
 GH: 01606091  Fallugia paradoxa  (D. Don) Endlicher USA: New Mexico Alamogordo to Las Cruces   K. M. Wiegand & M. C. Wiegand 952 1935-4-11 
 GH: 01606544  Fragaria vesca bracteata (A. Heller) Staudt USA: Colorado Big Thompson Canyon, 7 miles east of Estes P...  K. M. Wiegand & M. C. Wiegand 956 1935-6-14 
 GH: 01607133  Fragaria virginiana glauca (S. Watson) Staudt USA: South Dakota Deadwood: 2 miles north of Deadwood   K. M. Wiegand & M. C. Wiegand 957 1935-6-18 
 GH: 01610361  Geum triflorum  Pursh USA: Colorado roadside, Route 117, northeast of Sedalia   K. M. Wiegand & M. C. Wiegand 1012 1935-6-8 
 GH: 01590527  Physocarpus monogynus  (Torrey) J. M. Coulter USA: Colorado Phantom Gorge between Canon City and Cripple...  K. M. Wiegand & M. C. Wiegand 959 1935-6-10 
 GH: 01567189  Potentilla concinna  Richardson USA: South Dakota Pringle: Harney National Forest, near Pringl...  K. M. Wiegand & M. C. Wiegand 962 1935-6-16 
 GH: 01570667  Potentilla subviscosa  Greene USA: Arizona Graham Mountains   K. M. Wiegand & M. C. Wiegand 969 1935-5-16 
 GH: 01705821  Prunus americana  Marshall USA: South Dakota Pringle: 3 miles north of Pringle   K. M. Wiegand & M. C. Wiegand 971 1935-6-16 
 GH: 01721502  Prunus caroliniana  (Miller) Aiton USA: Texas "Teas Nursery", near Esperanza   K. M. Wiegand & M. C. Wiegand 972 1935-3-27 
 GH: 01724495  Prunus serotina rufula (Wooton & Standley) McVaugh USA: Arizona 8 miles north of Prescott   K. M. Wiegand & M. C. Wiegand 987 1935-5-9 
 GH: 01724595  Prunus serotina rufula (Wooton & Standley) McVaugh USA: Texas Limpca Creek above Fort Davis   K. M. Wiegand & M. C. Wiegand 986 1935-4-5 
 GH: 01725853  Prunus virginiana demissa (Nuttall) Torrey USA: Utah Logan Canyon   K. M. Wiegand & M. C. Wiegand 974 1935-5-31 
 GH: 01556367  Purshia stansburiana  (Torrey) Henrickson USA: Arizona 8 miles southeast of Fredonia   K. M. Wiegand & M. C. Wiegand 932 1935-5-23 
 GH: 01556478  Purshia stansburiana  (Torrey) Henrickson USA: New Mexico north of Jackson   K. M. Wiegand & M. C. Wiegand 930 1935-5-19 
 GH: 01556533  Purshia tridentata  (Pursh) de Candolle USA: Colorado Estes Park: Clauser Ranch   K. M. Wiegand & M. C. Wiegand 990 1935-6-13 
 GH: 01604275  Rubus deliciosus  Torrey USA: Colorado Big Thompson Canyon, 12 miles east of Estes ...  K. M. Wiegand & M. C. Wiegand 997 1935-6-14 
 GH: 01701168  Rubus neomexicanus  A. Gray USA: Arizona Graham Mountains   K. M. Wiegand & M. C. Wiegand 994 1935-5-16 
Rubiaceae GH: 02139214  Galium proliferum  A. Gray USA: Arizona Sells road, 30 miles southeast of Tucson   K. M. Wiegand & M. C. Wiegand 2228 1935-4-17 
 GH: 00417092  Galium stellatum  Kellogg USA: California Mountains west of Coyote Wells   K. M. Wiegand & M. C. Wiegand 2229 1935-4-21 
 GH: 02140668  Galium virgatum  Nuttall USA: Texas Beeville   K. M. Wiegand & M. C. Wiegand 2231 1935-3-11 
Rutaceae GH: 01545730  Choisya dumosa  (Torrey) A. Gray USA: Arizona 4 miles northwest of Bisbee   K. M. Wiegand & M. C. Wiegand 1308 1935-4-13 
 GH: 01545874  Ptelea trifoliata  Linnaeus USA: Arizona 22 miles east of Clifton   K. M. Wiegand & M. C. Wiegand 1310 1935-5-19 
 GH: 01584595  Thamnosma texanum  (A. Gray) Torrey USA: Texas east of Rio Grande City   K. M. Wiegand & M. C. Wiegand 1315 1935-3-14 
 GH: 01584612  Thamnosma texanum purpureum (Wooton & Standley) Woodruff USA: Arizona 13 miles west of Douglas   K. M. Wiegand & M. C. Wiegand 1317 1935-4-13 
 GH: 01684123  Zanthoxylum clava-herculis  Linnaeus USA: Texas Huntsville   K. M. Wiegand & M. C. Wiegand 1318 1935-3-27 
Santalaceae GH: 01932834  Comandra umbellata pallida (A. de Candolle) Piehl USA: Colorado 21 miles north of Wellington   K. M. Wiegand & M. C. Wiegand 401 1935-6-14 
 GH: 01932932  Comandra umbellata pallida (A. de Candolle) Piehl USA: South Dakota Route 14, 3 miles southeast of Sturgis   K. M. Wiegand & M. C. Wiegand 402 1935-6-18 
Sapindaceae GH: 01870232  Ungnadia speciosa  Endlicher USA: Texas New Braunfels: [no additional data]   K. M. Wiegand & M. C. Wiegand 1411 1935-3-21 
Saxifragaceae GH: 01735323  Heuchera hallii  A. Gray USA: Colorado Phantom Gorge between Canon City and Cripple...  K. M. Wiegand & M. C. Wiegand 814 1935-6-10 
 GH: 01153715  Lithophragma tenellum  Nuttall USA: Arizona Kaibab Plateau, 7 miles west of eastern entr...  K. M. Wiegand & M. C. Wiegand 820 1935-5-23 
 GH: 01712403  Micranthes rhomboidea  (Greene) Small USA: Colorado Big Thompson Canyon, 8 miles east of Estes P...  K. M. Wiegand & M. C. Wiegand 844 1935-6-14 
 GH: 01633434  Ribes aureum  Pursh USA: Colorado 11 miles south of Virginia Dale   K. M. Wiegand & M. C. Wiegand 822 1935-6-4 
 GH: 01633546  Ribes aureum  Pursh USA: Texas east of Slaton   K. M. Wiegand & M. C. Wiegand 821 1935-4-1 
 GH: 01633722  Ribes cereum  Douglas USA: Arizona near top of Kaibab Plateau, 7 miles west of ...  K. M. Wiegand & M. C. Wiegand 826 1935-5-23 
 GH: 01633752  Ribes cereum  Douglas USA: Colorado Boulder Canyon   K. M. Wiegand & M. C. Wiegand 828 1935-6-6 
 GH: 01633925  Ribes cereum  Douglas USA: South Dakota Pringle: Harney National Forest near Pringle   K. M. Wiegand & M. C. Wiegand 829 1935-6-16 
 GH: 01886311  Ribes inerme  Rydberg USA: Colorado Big Thompson Canyon, 7 miles east of Estes P...  K. M. Wiegand & M. C. Wiegand 833 1935-6-14 
 GH: 01887198  Ribes missouriense  Nuttall USA: Texas Huntsville   K. M. Wiegand & M. C. Wiegand 837 1935-3-26 
 GH: 01887403  Ribes odoratum  H. Wendland USA: Colorado Castle Rock   K. M. Wiegand & M. C. Wiegand 839 1935-6-8 
 GH: 01887528  Ribes odoratum  H. Wendland USA: Texas east of Slaton   K. M. Wiegand & M. C. Wiegand 838 1935-4-1 
 GH: 01887669  Ribes oxyacanthoides  Linnaeus USA: South Dakota Needles Mountain   K. M. Wiegand & M. C. Wiegand 834 1935-6-16 
 GH: 00380780  Ribes roezlii  Regel USA: California Summit, "Palms to Pines Highway"   K. M. Wiegand & M. C. Wiegand 840 1935-4-23 
Scrophulariaceae GH: 01842498  Erythranthe nasuta  (Greene) G. L. Nesom USA: Arizona mountain, Ruby road, 19 miles northwest of N...  K. M. Wiegand & M. C. Wiegand 2133 1935-4-14 
Selaginellaceae GH: 02075408  Selaginella eclipes  W. R. Buck USA: New York Tully   K. M. Wiegand & M. C. Wiegand 26 1914-8-11 
Simaroubaceae GH: 02168469  Castela erecta texana (Torrey & A. Gray) Cronquist USA: Texas north of Laredo   K. M. Wiegand & M. C. Wiegand 1321 1935-3-15 
Simmondsiaceae GH: 00376055  Simmondsia chinensis  (Link) C. K. Schneider USA: California Mountains west of Coyote Wells    K. M. Wiegand & M. C. Wiegand 1367 1935-4-21 
Solanaceae GH: 01145696  Chamaesaracha coronopus  (Dunal) A. Gray USA: Texas 10 miles north of Encinal   K. M. Wiegand & M. C. Wiegand 2065 1935-3-30 
 GH: 00939271  Lycium berlandieri  Dunal USA: Texas 47 miles south of Alpine   K. M. Wiegand & M. C. Wiegand 2074 1935-4-6 
 GH: 00939472  Lycium pallidum  Miers USA: Arizona Granite Hills, north of Prescott   K. M. Wiegand & M. C. Wiegand 2072 1935-5-9 
 GH: 00939536  Lycium pallidum  Miers USA: Texas 7 miles south of Alpine   K. M. Wiegand & M. C. Wiegand 2070 1935-4-6 
 GH: 01542052  Quincula lobata  (Torrey) Rafinesque USA: Colorado 2 miles east of Fort Collins   K. M. Wiegand & M. C. Wiegand 2085 1935-6-5 
 GH: 01542113  Quincula lobata  (Torrey) Rafinesque USA: Texas 13 miles north of Encinal   K. M. Wiegand & M. C. Wiegand 2082 1935-3-20 
Styracaceae GH: 00384797  Styrax redivivus  (Torrey) L. C. Wheeler USA: California Chaparral near Devore Station, northwest of ...  K. M. Wiegand & M. C. Wiegand 1663 1935-4-25 
Tamaricaceae GH: 01942310  Tamarix gallica  Linnaeus USA: Texas College grounds   K. M. Wiegand & M. C. Wiegand 1470 1935-4-7 
Typhaceae GH: 00466983  Typha angustifolia  Linnaeus USA: Ohio Wood River, Cayuga   K. M. Wiegand & M. C. Wiegand 31 1913-7-19 
Urticaceae GH: 02170664  Parietaria pensylvanica  Muhlenberg ex Willdenow USA: Texas east of Rio Grande City   K. M. Wiegand & M. C. Wiegand 394 1935-3-14 
 GH: 02170728  Parietaria praetermissa  Hinton USA: Florida [data not captured]   K. M. Wiegand & M. C. Wiegand 391 1935-2-20 
Verbenaceae GH: 01800453  Glandularia bipinnatifida  (Nuttall) Nuttall USA: New Mexico 4 miles west of Tatum   K. M. Wiegand & M. C. Wiegand 2017 1935-4-2 
 GH: 01953016  Glandularia polyantha  Umber USA: Texas 3 miles southeast of San Benito   K. M. Wiegand & M. C. Wiegand 2020 1935-3-13 
 GH: 01953062  Glandularia pumila  (Rydberg) Umber USA: Texas east of Weatherford   K. M. Wiegand & M. C. Wiegand 2010 1935-3-29 
 GH: 01953112  Glandularia quadrangulata  (A. Heller) Umber USA: Texas east of Donna   K. M. Wiegand & M. C. Wiegand 2012 1935-3-12 
 GH: 01953505  Lippia geminata  Kunth USA: Texas 13 miles west of Mission   K. M. Wiegand & M. C. Wiegand 1986 1935-3-14 
 GH: 01954876  Verbena canescens  Kunth USA: Texas east of Rio Grande City   K. M. Wiegand & M. C. Wiegand 1991 1935-3-14 
 GH: 01955479  Verbena officinalis  Linnaeus USA: Texas 8 miles north of Encinal   K. M. Wiegand & M. C. Wiegand 2002 1935-3-20 
 GH: 01955576  Verbena plicata  Greene USA: Texas 12 miles north of Laredo   K. M. Wiegand & M. C. Wiegand 2006 1935-3-20 
Violaceae GH: 02144395  Hybanthus concolor  (T. F. Forster) Sprengel USA: New York State Road 3 miles north of Jamesville. Dewi...  K. M. Wiegand & M. C. Wiegand 2824 1914-5-24 
 GH: 02147881  Viola nuttallii  Pursh USA: Colorado near Crouse   K. M. Wiegand & M. C. Wiegand 1485 1935-6-14 
 GH: 02211070  Viola sororia  Willdenow USA: Texas Grapeland   K. M. Wiegand & M. C. Wiegand 1481 1935-3-28 
Vitaceae GH: 01578923  Vitis arizonica  Engelmann USA: Arizona 10 miles north of Clifton   K. M. Wiegand & M. C. Wiegand 1436 1935-5-17 
 GH: 01579210  Vitis cinerea  Engelmann ex Millardet USA: Texas Huntsville   K. M. Wiegand & M. C. Wiegand 1434 1935-3-27 
 GH: 01579494  Vitis mustangensis  Buckley USA: Texas Huntsville   K. M. Wiegand & M. C. Wiegand 1433 1935-3-27 
 GH: 01579680  Vitis riparia  Michaux USA: Colorado Phantom Gorge, between Canon City and Crippl...  K. M. Wiegand & M. C. Wiegand 1437 1935-6-10 
 GH: 01580630  Vitis vulpina  Linnaeus USA: Texas Huntsville   K. M. Wiegand & M. C. Wiegand 1435 1935-3-27 
Zygophyllaceae GH: 01788065  Larrea tridentata  (de Candolle) Coville USA: Texas near Terlingua   K. M. Wiegand & M. C. Wiegand  1935-4-6 
 GH: 01788273  Tribulus terrestris  Linnaeus USA: Texas 11 miles northeast of El Paso   K. M. Wiegand & M. C. Wiegand  1935-4-9