Aceraceae GH: 01870772  Acer glabrum  Torrey USA: Colorado Ruxton Dell, lower slopes of Pikes Peak   R. C. Bacigalupi 810 1924-8-12 
Amaranthaceae GH: 01928670  Amaranthus arenicola  I. M. Johnston USA: Colorado between Ellicott and Corral Bluff, 18 mi. NE...  R. C. Bacigalupi 904 1924-8-17 
 GH: 01929301  Amaranthus powellii  S. Watson USA: Colorado near Ellicott   R. C. Bacigalupi 893 1924-8-17 
Anacardiaceae GH: 01867537  Rhus glabra  Linnaeus USA: Colorado Reservoir Canyon, just west of Palmer Lake (...  R. C. Bacigalupi 952 1924-8-23 
 GH: 01868142  Rhus trilobata  Nuttall USA: Colorado Garden of the Gods, near Colorado Springs   R. C. Bacigalupi  1924-8-7 
Asclepiadaceae GH: 00993605  Asclepias latifolia  (Torrey) Rafinesque USA: Colorado along road between Florence and Wetmore, 3 m...  R. C. Bacigalupi 489 1924-9-1 
 GH: 00961066  Asclepias pumila  (A. Gray) Vail USA: Colorado Austin Bluffs, just northeast of Colorado Sp...  R. C. Bacigalupi 932 1924-8-24 
Asteraceae GH: 01003865  Artemisia bigelovii  A. Gray USA: Colorado Plains just S. of Wildhorse Park; 14 mi. NW....  R. C. Bacigalupi  1924-9-3 
 GH: 01003868  Artemisia bigelovii  A. Gray USA: Colorado Along Skyline Drive, on Dakota Hugback, near...  R. C. Bacigalupi  1924-8-30 
 GH: 00968388  Artemisia campestris pacifica Hall & Clements USA: Colorado "The Mesa"-3 1/2 mi. NW. of Colorado Springs   R. C. Bacigalupi  1924-8-7 
 GH: 00968957  Artemisia filifolia  Torrey USA: Colorado near Drennan, east central El Paso County   R. C. Bacigalupi  1924-8-17 
 GH: 00968949  Artemisia filifolia  Torrey USA: Colorado near Drennen   R. C. Bacigalupi  1924-8-17 
 GH: 00988490  Artemisia ludoviciana  Nuttall USA: Colorado Corral Bluffs, 15 mi. E. of Colorado Springs   R. C. Bacigalupi 725 1924-8-10 
 GH: 00988472  Artemisia ludoviciana  Nuttall USA: Colorado Williams Canyon, Manitou   R. C. Bacigalupi  1924-8-19 
 GH: 00988462  Artemisia ludoviciana  Nuttall USA: Colorado In canyon of the Arkansas River, 4 mi. east ...  R. C. Bacigalupi  1924-9-2 
 GH: 01923074  Brickellia californica  (Torrey & A. Gray) A. Gray USA: Colorado Engelman Cañon, just above Maniton Cog Depo...  R. C. Bacigalupi 1088 1924-9-8 
 GH: 01923610  Brickellia grandiflora  (Hooker) Nuttall USA: Colorado Between Halfway House and Minnehaha   R. C. Bacigalupi 729 1924-8-12 
 GH: 02216424  Chrysothamnus vaseyi  (A. Gray) Greene USA: Colorado 5 mi. E. of Westcliffs   R. C. Bacigalupi 1035 1924-9-1 
 GH: 02203496  Dieteria bigelovii  (A. Gray) D. R. Morgan & R. L. Hartman USA: Colorado Along Pike Peak Cog Road, between Mountain V...  R. C. Bacigalupi 798 1924-8-12 
 GH: 02203734  Dieteria canescens glabra (A. Gray) D. R. Morgan & R. L. Hartman USA: Colorado Corral Bluffs, 17 miles east of Colorado Spr...  R. C. Bacigalupi 890 1924-8-27 
 GH: 02205583  Ericameria nauseosa graveolens (Nuttall) Reveal & Schuyler USA: Colorado Along Fort Collins - Laramie Road near Liver...  R. C. Bacigalupi  1924-9-13 
 GH: 02207085  Ericameria parryi affinis (A. Nelson) G. L. Nesom & G. I. Baird USA: Colorado 5 mi. E. of Westcliffe   R. C. Bacigalupi  1924-9-1 
 GH: 02352314  Erigeron peregrinus  (Banks ex Pursh) Greene USA: Colorado jack Brook, near Minnehaha, lower slopes of ...  R. C. Bacigalupi  1924-8-14 
 GH: 02203949  Heterotheca fulcrata  (Greene) Shinners USA: Colorado Along Pikes Peak Cog Road, at head of Ruxton...  R. C. Bacigalupi 831 1924-8-14 
 GH: 02204770  Heterotheca villosa nana (A. Gray) Semple USA: Colorado Canon of the Arkansas River 4 mi. east of Te...  R. C. Bacigalupi 1017 1924-8-31 
 GH: 02204768  Heterotheca villosa nana (A. Gray) Semple USA: Colorado "The Mesa" - 3 1/2 mi. NW of Colorado Spring...  R. C. Bacigalupi  1924-8-7 
 GH: 00009776  Liatris punctata coloradensis Gaiser USA: Colorado Colorado Springs:    R. C. Bacigalupi 678 1924-8-7 
 GH: 01835353  Lygodesmia juncea  D. Don USA: Colorado Garden of the Gods, near Colorado Springs   R. C. Bacigalupi 701 1924-8-7 
 GH: 01835352  Lygodesmia juncea  D. Don USA: Colorado at Mouth of Bear Canyon, s.w. of Colorado Sp...  R. C. Bacigalupi 920 1924-8-21 
Berberidaceae GH: 02168733  Berberis fendleri  A. Gray USA: New Mexico Eastern Santa Fe County, Glorietta Pass   R. C. Bacigalupi 650 1924-7-23 
Betulaceae GH: 02194273  Betula occidentalis  Hooker USA: Colorado Ruxton Dell, lower slopes of Pikes Peak   R. C. Bacigalupi 811 1924-8-12 
 GH: 02103001  Corylus cornuta  Marshall USA: Colorado mouth of Bear Canyon just southwest of Color...  R. C. Bacigalupi 921 1924-8-21 
Boraginaceae GH: 01993261  Heliotropium convolvulaceum  (Nuttall) A. Gray USA: Colorado between Ellicott and Drennen   R. C. Bacigalupi 855 1924-8-17 
 GH: 01996609  Lithospermum multiflorum  Torrey USA: Arizona Fort Valley   R. C. Bacigalupi 526 1924-7-15 
 GH: 01997651  Mertensia ciliata  (James) G. Don USA: Colorado Along Cog at head of Ruxton Dell, slopes of ...  R. C. Bacigalupi 825 1924-8-15 
 GH: 02059927  Oreocarya cinerea  Greene USA: Arizona 1 mi. west of Winslow   R. C. Bacigalupi 523 1924-7-15 
Brassicaceae GH: 01546666  Lepidium alyssoides  A. Gray USA: Colorado Six mi. N of Cañon City, on road to Salida   R. C. Bacigalupi  1924-9-2 
Campanulaceae GH: 01796290  Campanula rotundifolia  Linnaeus USA: Colorado "Black Forest" on Platte-Arkansas Divide, 15...  R. C. Bacigalupi 588 1924-8-4 
 GH: 01796298  Campanula rotundifolia  Linnaeus USA: Colorado Windy Point, Pikes Peak   R. C. Bacigalupi 782 1924-8-13 
Capparaceae GH: 01872289  Peritoma serrulata  (Pursh) de Candolle USA: Colorado At junction of the roads leading to "The Mes...  R. C. Bacigalupi 718 1924-8-7 
 GH: 01872545  Polanisia dodecandra trachysperma (Torrey & A. Gray) Iltis USA: Colorado In canyon of the Arkansas River, 4 mi. E. of...  R. C. Bacigalupi  1924-9-2 
 GH: 01872681  Polanisia jamesii  (Torrey & A. Gray) Iltis USA: Colorado plain bet. Hanover and Squirrel Creek   R. C. Bacigalupi 1060 1924-8-30 
Caprifoliaceae GH: 02036380  Symphoricarpos orbiculatus  Moench USA: Colorado near the Golden Cycle Mill, Colorado City   R. C. Bacigalupi 705 1924-8-7 
Caryophyllaceae GH: 01741484  Arenaria fendleri  A. Gray USA: New Mexico Sapello   R. C. Bacigalupi 665 1924-7-25 
Chenopodiaceae GH: 02004847  Atriplex argentea expansa (S. Watson) S. L. Welsh & Reveal USA: New Mexico 5 miles west of Rio Puerco Station (Santa Fe...  R. C. Bacigalupi 663 1924-7-22 
 GH: 02003126  Atriplex canescens  (Pursh) Nuttall USA: Colorado Along Skyline Drive, on Dakota Hogback, near...  R. C. Bacigalupi 1008 1924-8-30 
 GH: 02003488  Atriplex confertifolia  (Torrey & Fremont) Watson USA: Colorado just north of Canon City   R. C. Bacigalupi 1051 1924-8-29 
 GH: 01781156  Bassia scoparia  (Linnaeus) A. J. Scott USA: Colorado about D. & R.G.w. Railway Station, Canon Cit...  R. C. Bacigalupi 998 1924-9-2 
 GH: 01782711  Chenopodium pratericola  Rydberg USA: Colorado near cemetery just on eastern border of Colo...  R. C. Bacigalupi 862 1924-8-6 
 GH: 01784043  Cycloloma atriplicifolium  (Sprengel) J. M. Coulter USA: Colorado near Corral Bluffs, 15 mi. east of Colorado ...  R. C. Bacigalupi 894 1924-8-17 
 GH: 01784803  Krascheninnikovia lanata  (Pursh) A. Meeuse & A. Smit USA: Colorado "The Mesa" - 3.5 miles northwest of Colorado...  R. C. Bacigalupi 672 1924-8-7 
 GH: 01785064  Sarcobatus vermiculatus  (Hooker) Torrey USA: Colorado just north of Canon City   R. C. Bacigalupi 1052 1924-8-29 
 GH: 01785686  Suaeda nigra  (Rafinesque) J. F. Macbride USA: Colorado just north of Canon City   R. C. Bacigalupi 1053 1924-8-29 
Convolvulaceae GH: 02056500  Cuscuta gronovii  Willdenow ex Roemer & Schultes USA: Colorado Wilbanis Canyon, near Manitou   R. C. Bacigalupi 870 1924-8-19 
 GH: 02042201  Ipomoea leptophylla  Torrey USA: Colorado mouth of Bear Creek just south west of Color...  R. C. Bacigalupi 915 1924-8-21 
Cornaceae GH: 02019016  Cornus stolonifera  Michaux USA: Colorado Reservoir Canyon just west of Palmer Lake, n...  R. C. Bacigalupi 454 1924-8-23 
Crassulaceae GH: 01991910  Sedum rhodanthum  A. Gray USA: Colorado Along Pike's Peak Cog Road, just below Mt. V...  R. C. Bacigalupi 814 1924-8-15 
Cupressaceae GH: 02104015  Juniperus communis  Linnaeus USA: Colorado Ruxton Dell, along Cog. slopes of Pikes Peak   R. C. Bacigalupi 809 1924-8-14 
 GH: 02104606  Juniperus communis montana Aiton USA: New Mexico Colfax-Taos Counties - Northern New Mexico; ...  R. C. Bacigalupi 604 1924-7-29 
 GH: 02105403  Juniperus monosperma  Sargent USA: New Mexico 2 mi. E. of Santa Fe, on road to Glorietta   R. C. Bacigalupi 553 1924-7-23 
 GH: 02106224  Juniperus scopulorum  Sargent USA: New Mexico Near Glorietta Pass R.R. Station; eastern Sa...  R. C. Bacigalupi 652 1924-7-23 
Ericaceae A: 01117718  Arctostaphylos stanfordiana  Parry USA: California lower sloeps of Mt Diablo on old wagon road ...  R. C. Bacigalupi  1924-2-17 
 GH: 01536364  Arctostaphylos uva-ursi  (Linnaeus) Sprengel USA: Colorado Edge of Black Forest, near Bijou Basin   R. C. Bacigalupi 1074 1924-9-13 
Fabaceae GH: 01967248  Acmispon wrightii  (A. Gray) Brouillet USA: Arizona Fort Valley   R. C. Bacigalupi 548 1924-7-15 
 GH: 01967853  Amorpha fruticosa  Linnaeus USA: Colorado 1 1/2 mi. E. of Kelker   R. C. Bacigalupi 839 1924-8-17 
 GH: 02048518  Astragalus rusbyi  Greene USA: Arizona Fort Valley   R. C. Bacigalupi 551 1924-7-15 
 GH: 02048926  Astragalus tenellus  Pursh USA: New Mexico Taos - Colfax Counties; Red River Pass, on g...  R. C. Bacigalupi 605 1924-7-29 
 GH: 01921345  Dalea purpurea  Ventenat USA: Colorado The Mesa - 3 1/2 mi. NW of Colorado Springs   R. C. Bacigalupi 680 1924-8-7 
 GH: 00369256  Dalea spinosa  A. Gray USA: California near Amboy (Mohave Desert)   R. C. Bacigalupi 503 1924-7-12 
 GH: 01921597  Dalea villosa  (Nuttall) Sprengel USA: Colorado between Ellicott and Drennan - 25 mi. east o...  R. C. Bacigalupi 857 1924-8-17 
 GH: 01921596  Dalea villosa  (Nuttall) Sprengel USA: Colorado between Ellicott and Drennan   R. C. Bacigalupi 857 1924-8-17 
 GH: 02085046  Lupinus argenteus  Pursh USA: Colorado Corral Bluffs, 15 mi east of Colorado Spring...  R. C. Bacigalupi 887 1924-8-17 
 GH: 02085047  Lupinus argenteus  Pursh USA: Colorado At junction of roads leading to The Mesa and...  R. C. Bacigalupi 719 1924-8-7 
 GH: 02085962  Lupinus caudatus argophyllus (A. Gray) L. Ll. Phillips USA: New Mexico 2 mi. SE of Santa Fe, on road to Glorietta   R. C. Bacigalupi 558 1924-7-23 
 GH: 02176570  Lupinus hillii  Greene USA: Arizona Fort Valley   R. C. Bacigalupi 527 1924-7-15 
 GH: 02176657  Lupinus kingii  S. Watson USA: Arizona At northwestern base of San Francisco Peaks   R. C. Bacigalupi 543 1924-7-15 
 GH: 02177708  Lupinus parviflorus myrianthus (Greene) Harmon USA: New Mexico 1/2 mi. N. of Elizabethtown, along Red River...  R. C. Bacigalupi 598 1924-7-29 
 GH: 02132830  Oxytropis lambertii  Pursh USA: Arizona upper borders of Fort Valley   R. C. Bacigalupi 533 1924-7-15 
 GH: 02133766  Psoralidium tenuiflorum  (Pursh) Rydberg USA: Colorado "The Mesa," 3.5 miles northwest of Colorado ...  R. C. Bacigalupi 695 1924-8-7 
 GH: 00369256  Psorothamnus spinosus  (A. Gray) Barneby USA: California near Amboy (Mohave Desert)   R. C. Bacigalupi 503 1924-7-12 
Garryaceae A: 00401744  Garrya elliptica  Douglas ex Lindley USA: California Serpentine area at summit of West Peak Mt. T...  R. C. Bacigalupi  1924-10-26 
 A: 00401904  Garrya fremontii  Torrey USA: California just west of summit of West Peak, at junctio...  R. C. Bacigalupi  1924-10-26 
Gentianaceae GH: 02072201  Gentiana algida  Pallas USA: Colorado Windy Point, Pikes Peak.   R. C. Bacigalupi 779 1924-8-13 
 GH: 02167608  Gentianella amarella heterosepala (Engelmann) J. M. Gillett USA: Colorado Jack Brook, above Minnehaha, Pikes Peak regi...  R. C. Bacigalupi 762 1924-8-14 
 GH: 02167509  Gentianella amarella acuta (Michaux) J. M. Gillett USA: Colorado Hardscrabble Road   R. C. Bacigalupi 980 1924-8-31 
 GH: 02167489  Gentianella amarella acuta (Michaux) J. M. Gillett USA: Colorado Below Mt. View Sta. along Cog - Pikes Peak   R. C. Bacigalupi 828 1924-8-14 
 GH: 02166197  Gentianopsis thermalis  (Kuntze) Iltis USA: Colorado along Hardscrabble Road east of Wet Mountain...  R. C. Bacigalupi 983 1924-8-31 
 GH: 02166193  Gentianopsis thermalis  (Kuntze) Iltis USA: Colorado along Hardscrabble Road, east of Wet Mountai...  R. C. Bacigalupi 983 1924-8-31 
Geraniaceae GH: 01863745  Geranium atropurpureum  A. Heller USA: New Mexico western Mora County, canyon, 3 mi. N.W. of L...  R. C. Bacigalupi  1924-7-26 
 GH: 01864468  Geranium fremontii  Torrey ex A. Gray USA: Colorado Below Mountain View Station, on Pikes Peak C...  R. C. Bacigalupi 833 1924-8-14 
Hydrangeaceae GH: 01737952  Philadelphus occidentalis  A. Nelson USA: Colorado Along road to top of Royal Gorge   R. C. Bacigalupi 1009 1924-8-30 
Lamiaceae GH: 01551708  Mentha canadensis  Linnaeus USA: Colorado Deckers, in canyon of the South Fork of the ...  R. C. Bacigalupi 939 1924-8-23 
 GH: 01599056  Monarda fistulosa menthifolia (Graham) Fernald USA: Colorado Deckers, in canyon of the South Fork of the ...  R. C. Bacigalupi 941 1924-8-23 
 GH: 01599396  Monarda pectinata  Nuttall USA: Colorado Decker's, in canyon of South Fork of the Pla...  R. C. Bacigalupi 942 1924-8-23 
 GH: 01696472  Salvia reflexa  J. W. Horneman(n) USA: Colorado at mouth of Bear Canyon, just southwest of C...  R. C. Bacigalupi 917 1924-8-21 
Linaceae GH: 02053232  Linum lewisii  Pursh USA: New Mexico 10 mi. SE. of Las Vegas   R. C. Bacigalupi 575 1924-7-27 
Malvaceae GH: 02199514  Sphaeralcea coccinea  (Nuttall) Rydberg USA: Colorado Colorado City   R. C. Bacigalupi 711 1924-8-7 
 GH: 02199581  Sphaeralcea coccinea  (Nuttall) Rydberg USA: New Mexico 10 mi. SE. of Las Vegas   R. C. Bacigalupi 615 1924-7-27 
 GH: 02199578  Sphaeralcea coccinea  (Nuttall) Rydberg USA: New Mexico 3 mi. NW. of La Cueva, near Mora   R. C. Bacigalupi 577 1924-6-26 
 GH: 02199695  Sphaeralcea digitata  (Greene) Rydberg USA: Arizona northeastern Arizona; 1 mi. west of Winslow   R. C. Bacigalupi 521 1924-7-15 
 GH: 02199927  Sphaeralcea incana  Torrey ex A. Gray USA: New Mexico 5 mi. W. of Rio Puerco Station, along Santa ...  R. C. Bacigalupi 658 1924-7-22 
Nyctaginaceae GH: 01642400  Abronia fragrans  Nuttall ex Hooker USA: Colorado Colorado Springs: near cemetery, outskirts o...  R. C. Bacigalupi 860 1924-8-17 
 GH: 01641785  Mirabilis hirsuta  (Pursh) MacMillan USA: Colorado at mouth of Bear Canyon, just southwest of C...  R. C. Bacigalupi  1924-8-21 
 GH: 01846009  Mirabilis linearis  (Pursh) Heimerl USA: Colorado "The Mesa" - 3 1/2 mi. NW of Colorado Spring...  R. C. Bacigalupi  1924-8-7 
Onagraceae GH: 01624844  Calylophus serrulatus  (Nuttall) P. H. Raven USA: Colorado "The Mesa" 3.5 miles northwest of Colorado S...  R. C. Bacigalupi 681 1924-8-7 
 GH: 01777756  Gaura coccinea  Pursh USA: New Mexico Western Mora County; 3 mi. N. of La Cueva, n...  R. C. Bacigalupi 578 1924-7-26 
 GH: 01778147  Gaura parviflora  Douglas USA: Colorado At junction of the road to "The Mesa" with t...  R. C. Bacigalupi 717 1924-8-10 
 GH: 01645601  Oenothera coronopifolia  A. Gray & Torrey USA: New Mexico Western Mora County; Canyon, 3 mi. NW. of La...  R. C. Bacigalupi 576 1924-7-26 
Orchidaceae GH: 01938280  Corallorhiza maculata  (Rafinesque) Rafinesque USA: Colorado Jack Brook, near Minnehaha Pikes Peak region   R. C. Bacigalupi 764 1924-8-14 
Orobanchaceae GH: 01877278  Castilleja integra  A. Gray USA: Colorado Corral Bluffs, 15 mi. east of Colorado Sprin...  R. C. Bacigalupi 898 1924-8-17 
 GH: 01878055  Castilleja miniata  Douglas ex Hooker USA: Colorado Jack Brook, above Minnehaha   R. C. Bacigalupi 251 1924-8-12 
 GH: 01878437  Castilleja occidentalis  Torrey USA: Colorado at Windy Point Pikes Peak   R. C. Bacigalupi 780 1924-8-12 
 GH: 01879356  Castilleja sulphurea  Rydberg USA: Colorado Ruxton Dell, lower slopes of Pikes Peak   R. C. Bacigalupi 813 1924-8-12 
 GH: 02081274  Orthocarpus luteus  Nuttall USA: Colorado Black Forest, on Platte-Arkansas Divide, 15 ...  R. C. Bacigalupi 587 1924-8-4 
 GH: 02079941  Pedicularis procera  A. Gray USA: New Mexico Summit of Red River Pass Road, west of Eliza...  R. C. Bacigalupi 603 1924-7-29 
Papaveraceae GH: 01856532  Argemone hispida  A. Gray USA: Colorado On hill near Golden Cycle Mill, Colorado Cit...  R. C. Bacigalupi  1924-8-15 
 GH: 01738341  Corydalis aurea  Willdenow USA: Colorado Hardscrabble Road, Wet Mountains   R. C. Bacigalupi 978 1924-8-31 
Pinaceae A: 00397545  Pinus aristata  Engelmann USA: Colorado Timber-line Pikes Peak, just below Windy Poi...  R. C. Bacigalupi 836 1924-8-15 
 A: 00398730  Pinus flexilis  James USA: Colorado Jack Brook, above Minnehaha; Pikes Peak regi...  R. C. Bacigalupi 835 1924-8-16 
 GH: 01113435  Pseudotsuga menziesii  (Mirbel) Franco USA: New Mexico Near Glorietta Pass Railway Station, eastern...  R. C. Bacigalupi 651 1924-7-23 
Plantaginaceae GH: 02002045  Penstemon ambiguus  Torrey USA: New Mexico Eastern Valencia County; drainage of the Rio...  R. C. Bacigalupi 570 1924-7-17 
 GH: 02002710  Penstemon barbatus torreyi (Bentham) A. Gray USA: New Mexico Sapello, northwestern San Miguel County   R. C. Bacigalupi 664 1924-7-25 
 GH: 02119747  Penstemon glaber  Pursh USA: Colorado At head of Ruxton Dell; Along Pike's Peak Co...  R. C. Bacigalupi 820 1924-8-15 
 GH: 02122787  Penstemon strictus  Bentham USA: New Mexico 1/2 mi. N. of Elizabethtown, Western Colfax ...  R. C. Bacigalupi 599 1924-7-29 
 GH: 01801408  Penstemon whippleanus  A. Gray USA: Colorado Base of Pilot Knob along Cog Road, Pikes Pea...  R. C. Bacigalupi 734 1924-8-12 
Poaceae GH: 01653863  Andropogon gerardi  Vitman USA: Colorado On "The Mesa" 3.5 miles northwest of Colorad...  R. C. Bacigalupi 676 1924-8-7 
 GH: 01653956  Andropogon gerardi  Vitman USA: New Mexico 10 mi. SE of Las Vegas; Western San Miguel C...  R. C. Bacigalupi 630 1924-7-27 
Polemoniaceae GH: 01083714  Aliciella pinnatifida  (Nuttall ex A. Gray) J. M. Porter USA: Colorado Ruxton Dell, Pikes Peak   R. C. Bacigalupi 819 1924-8-15 
 GH: 01104002  Ipomopsis laxiflora  (J. M. Coulter) V. E. Grant USA: Colorado Corral Bluffs, 15 mi. east of Colorado Sprin...  R. C. Bacigalupi 889 1924-8-17 
 GH: 01104005  Ipomopsis laxiflora  (J. M. Coulter) V. E. Grant USA: Colorado Corral Bluffs, 15 miles east of Colorado Spr...  R. C. Bacigalupi 722 1924-8-10 
 GH: 01104063  Ipomopsis longiflora  (Torrey) V. E. Grant USA: Colorado Squirrel Creek   R. C. Bacigalupi 1066 1924-8-30 
 GH: 01694374  Polemonium foliosissimum  A. Gray USA: New Mexico 1/2 mi. N. of Elizabethtown, western Colfax ...  R. C. Bacigalupi 596 1924-7-29 
Polygonaceae GH: 02346369  Bistorta bistortoides  (Pursh) Small USA: Colorado Windy Point, Pikes Peak   R. C. Bacigalupi 773 1924-8-15 
 GH: 01618249  Eriogonum annuum  Nuttall USA: Colorado Outskirts southeast of town; Colorado Spring...  R. C. Bacigalupi 861 1924-8-17 
 GH: 01652262  Eriogonum effusum  Nuttall USA: Colorado near Drennan   R. C. Bacigalupi 912 1924-8-17 
 GH: 01851312  Eriogonum jamesii  Bentham USA: New Mexico La Cueva, western Mora County   R. C. Bacigalupi 667 1924-7-26 
 GH: 01851256  Eriogonum jamesii  Bentham USA: Texas "The Mesa" - 3-1/2 mi. NW of Colorado Spring...  R. C. Bacigalupi 688 1924-8-7 
 GH: 01851255  Eriogonum jamesii  Bentham USA: Colorado In canyon of the Arkansas River, 4 mi. E. of...  R. C. Bacigalupi 1028 1924-9-2 
 GH: 02362181  Persicaria maculosa  Gray USA: Colorado In Canyon of the South Fork of the Platte Ri...  R. C. Bacigalupi 936 1924-8-23 
Primulaceae GH: 01922702  Dodecatheon pulchellum  (Rafinesque) Merrill USA: Colorado just below Mountain View Station   R. C. Bacigalupi 816 1924-8-14 
Ranunculaceae GH: 01659122  Delphinium glaucum  S. Watson USA: New Mexico 1/2 mi. N. of Elizabethtown, western Colfax ...  R. C. Bacigalupi 597 1924-7-29 
 GH: 01661020  Halerpestes cymbalaria  (Pursh) Green USA: Colorado along Hardscrabble Road, Wet Mountains   R. C. Bacigalupi  1924-8-31 
Rhamnaceae GH: 01789414  Ceanothus fendleri  A. Gray USA: Arizona Northwest base of San Francisco Peaks, near ...  R. C. Bacigalupi  1924-7-15 
 GH: 01789451  Ceanothus fendleri  A. Gray USA: Colorado Along Hardscrabble Road, six miles above (SW...  R. C. Bacigalupi  1924-9-1 
Rosaceae GH: 01587351  Cercocarpus montanus  Rafinesque USA: Colorado "Black Forest" - on Platte-Arkansas Divide, ...  R. C. Bacigalupi 594 1924-8-4 
 GH: 01647461  Crataegus rivularis  Nuttall ex Torrey & A. Gray USA: Colorado Between Wetmore and Greenwood.   R. C. Bacigalupi  1924-9-1 
 GH: 01608087  Dasiphora fruticosa  (Linnaeus) Rydberg USA: New Mexico 1/2 mi. N. of Elizabethtown   R. C. Bacigalupi 600 1924-7-29 
 GH: 01606089  Fallugia paradoxa  (D. Don) Endlicher USA: New Mexico 8 mi. NW. of Wagon Mound, on road to Ocate   R. C. Bacigalupi 668 1924-7-26 
 GH: 01590524  Physocarpus monogynus  (Torrey) J. M. Coulter USA: Colorado Jack Brook, above Minnehaha, lower slopes of...  R. C. Bacigalupi 743 1924-8-14 
 GH: 01705084  Prunus americana  Marshall USA: Colorado Red Cañons, near Garden Park 14 mi. north o...  R. C. Bacigalupi 1048 1924-9-1 
 A: 01723112  Prunus pensylvanica  Linnaeus f. USA: Colorado mouth of Bear Cañon, near (s.w. of) Colorad...  R. C. Bacigalupi 913 1924-8-21 
 GH: 01725546  Prunus virginiana demissa (Nuttall) Torrey USA: Colorado about lower station, on hillsides Manitou In...  R. C. Bacigalupi 886 1924-8-19 
 GH: 01725582  Prunus virginiana demissa (Nuttall) Torrey USA: Colorado Williams Canyon, near Manitou.   R. C. Bacigalupi 876 1924-8-19 
 A: 01556554  Purshia tridentata  (Pursh) de Candolle USA: Colorado summit north of Virginia Dale, along Fort Co...  R. C. Bacigalupi 1071 1924-9-13 
 A: 01604256  Rubus deliciosus  Torrey USA: Colorado Reservoir Canyon, just west of Palmer Lake; ...  R. C. Bacigalupi 951 1924-8-23 
Rubiaceae GH: 02359247  Galium boreale  Linnaeus USA: Colorado At head of Ruxton Dell; Pikes Peak   R. C. Bacigalupi 824 1924-8-14 
Rutaceae GH: 01545840  Ptelea crenulata  Greene USA: Colorado Along west side of Dakota Hogback near Caño...  R. C. Bacigalupi 1012 1924-8-30 
Saxifragaceae GH: 01733382  Boykinia jamesii  (Torrey) Engler USA: Colorado along Cog Railroad, Pike's Peak   R. C. Bacigalupi 733 1924-8-12 
 GH: 01737509  Jamesia americana  Torrey & A. Gray USA: Colorado Minnehaha, lower slopes of Pikes Peak   R. C. Bacigalupi 740 1924-8-14 
 GH: 01886194  Ribes inebrians  Lindley USA: Colorado Canyon of the Arkansas River, 4 mi. E. of Te...  R. C. Bacigalupi  1924-9-2 
 GH: 01886632  Ribes lacustre  (Persoon) Poiret USA: Colorado Jack Brook, above Minnehaha   R. C. Bacigalupi 741 1924-8-12 
 GH: 01619237  Saxifraga bronchialis austromontana (Wiegand) M. Peck USA: Colorado Jack Brook, above Minnehaha Pikes Peak regio...  R. C. Bacigalupi 757 1924-8-15 
Selaginellaceae GH: 02075493  Selaginella mutica  D. C. Eaton ex Underwood USA: Colorado 4 mi. east of Texas Creek   R. C. Bacigalupi 1015 1924-8-31 
Verbenaceae GH: 01800444  Glandularia bipinnatifida  (Nuttall) Nuttall USA: New Mexico Western San Miguel County; 10 mi. SE. of Las...  R. C. Bacigalupi 614 1924-7-27 
 GH: 01954571  Verbena bracteata  Lagasca & Rodriguez USA: Colorado mesa at mouth of Bear Cañon, just southwest...  R. C. Bacigalupi 919 1924-8-21 
 GH: 01955325  Verbena macdougalii  A. Heller USA: New Mexico Western Mora County, 3 mi. N. W. of La Cueva...  R. C. Bacigalupi 585 1924-7-26 
 GH: 01955822  Verbena stricta  Ventenat USA: Colorado Austin Bluffs, just northeast of Colorado Sp...  R. C. Bacigalupi 931 1924-8-24 
Violaceae GH: 02145307  Viola biflora  Linnaeus USA: Colorado Jack Brook, above Minnehaha, lower slopes of...  R. C. Bacigalupi 756 1924-8-14 
Vitaceae GH: 01578023  Parthenocissus vitacea  (Knerr) Hitchcock USA: Colorado Williams Canyon, near Manitou.   R. C. Bacigalupi 867 1924-8-19 
Zygophyllaceae GH: 01787872  Kallstroemia parviflora  Norton USA: Colorado About D. & R.G.W. Railroad Station Cañon Ci...  R. C. Bacigalupi  1924-9-2 
 GH: 01787873  Tribulus terrestris  Linnaeus USA: Colorado About D. & R.G.W. Railroad Station Cañon Ci...  R. C. Bacigalupi  1924-9-2