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Index of Botanical Specimens

Search for collector:[H. T. Holm]

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Anacardiaceae
GH: 01868840 Toxicodendron pubescens Miller USA: Maryland near Clinton H. T. Holm 1919-6
GH: 01868841 Toxicodendron pubescens Miller USA: Maryland near Clinton H. T. Holm 1920-7-25
Apocynaceae
GH: 02178203 Apocynum floribundum Greene USA: District of Columbia Brookland H. T. Holm 1898-6-29
GH: 02178202 Apocynum floribundum Greene USA: District of Columbia Brookland H. T. Holm 1893-7-4
Araceae
GH: 01654384 Arisaema triphyllum pusillum (Peck) Huttleston USA: Maryland near my farm near Clinton H. T. Holm 1922
GH: 01654385 Arisaema triphyllum pusillum (Peck) Huttleston USA: Maryland 2.7 miles east of Bernice H. T. Holm 1920-5-21
GH: 01654386 Arisaema triphyllum pusillum (Peck) Huttleston USA: Maryland low woods on my farm near Clinton H. T. Holm 1920-5-31
GH: 01654387 Arisaema triphyllum pusillum (Peck) Huttleston USA: Maryland on my farm near Clinton H. T. Holm 1922-5-31
GH: 01654389 Arisaema triphyllum pusillum (Peck) Huttleston USA: Maryland near Clinton H. T. Holm 1920-5-10
Asclepiadaceae
GH: 01082590 Asclepias verticillata Linnaeus USA: Maryland at Great Falls of the Potomac H. T. Holm 1915-9-15
Aspleniaceae
GH: 02068266 Asplenium platyneuron (Linnaeus) Britton, Sterns & Poggenburg USA: Virginia Great Falls H. T. Holm 1912-10
Asteraceae
GH: 01924475 Ageratina altissima (Linnaeus) R. M. King & H. Robinson USA: Maryland near Great Falls H. T. Holm 1915-9-15
GH: 01924728 Ageratina aromatica (Linnaeus) Spach USA: Virginia near Great Falls H. T. Holm 1915-9-24
GH: 02204874 Doellingeria infirma (Michaux) Greene USA: District of Columbia [data not captured] H. T. Holm 1898-9-26
GH: 02204967 Doellingeria sericocarpoides Small USA: District of Columbia [data not captured] H. T. Holm 1897-9-29
GH: 02205073 Doellingeria umbellata (Miller) Nees USA: District of Columbia [data not captured] H. T. Holm 1915-9-3
GH: 01962280 Eupatorium hyssopifolium Linnaeus USA: District of Columbia Washington: near Brookland H. T. Holm 1897-8-31
GH: 02189434 Eupatorium hyssopifolium Linnaeus USA: District of Columbia Washington: near Brookland H. T. Holm 1897-8-31
GH: 02189379 Eupatorium hyssopifolium Linnaeus USA: Maryland near Clinton H. T. Holm 1921-9-13
GH: 02190015 Eupatorium pilosum Walter USA: Maryland near Clinton H. T. Holm 1920-10-7
GH: 02190265 Eupatorium rotundifolium Linnaeus USA: Maryland near Clinton H. T. Holm 1920-10-1
GH: 02190255 Eupatorium rotundifolium Linnaeus USA: Maryland near Clinton H. T. Holm 1922-8-18
GH: 02190920 Eutrochium dubium (Willdenow ex Poiret) E. E. Lamont USA: Maryland near Clinton H. T. Holm 1921-8-23
GH: 01832550 Hieracium paniculatum Linnaeus USA: District of Columbia Washington: [data not captured] H. T. Holm 1915-9-3
GH: 01832549 Hieracium paniculatum Linnaeus USA: District of Columbia Washington: [data not captured] H. T. Holm 1915-9-3
GH: 01832856 Hieracium scabrum Michaux USA: District of Columbia Washington: [data not captured] H. T. Holm 1915-9-3
Betulaceae
GH: 02195814 Betula nigra Linnaeus USA: Maryland near Hyattsville H. T. Holm 1898-6-29
A: 02071078 Carpinus caroliniana Walter USA: District of Columbia Washington: [data not captured] H. T. Holm 1888-6-12
Brassicaceae
GH: 00932927 Boechera laevigata (Muhlenberg ex Willdenow) Al-Shehbaz USA: District of Columbia Washington: [data not captured] H. T. Holm 1888-4
GH: 00999068 Cardamine parviflora arenicola (Britton) O. E. Schulz USA: District of Columbia [data not captured] H. T. Holm 1900-5-5
GH: 00999444 Cardamine pensylvanica Muhlenberg ex Willdenow USA: Maryland near Forest Glen H. T. Holm 1900-5-7
GH: 01106899 Draba glabella brachycarpa (Ruprecht) Fernald : Greenland: [data not captured] H. T. Holm 1886-7-21
Caesalpiniaceae
GH: 01852175 Chamaecrista fasciculata (Michaux) Greene USA: Maryland on my farm near Clinton H. T. Holm 1922-8-31
Caryophyllaceae
GH: 01715912 Saponaria officinalis Linnaeus USA: Maryland Great Falls H. T. Holm 1915-9-15
GH: 01623620 Stellaria media (Linnaeus) Villars USA: Maryland near Clinton H. T. Holm 1922-5-31
Commelinaceae
GH: 02073470 Commelina communis Linnaeus USA: District of Columbia [data not captured] H. T. Holm 1897-8-4
GH: 02113118 Commelina virginica Linnaeus USA: District of Columbia [data not captured] H. T. Holm 1897-8-1
GH: 02113143 Commelina virginica Linnaeus USA: Maryland [data not captured] H. T. Holm 1915-9-15
Cyperaceae
GH: 02367140 Bulbostylis capillaris (Linnaeus) Kunth ex C. B. Clarke USA: Maryland [data not captured] H. T. Holm 1921
GH: 02371772 Carex annectens (E. P. Bicknell) E. P. Bicknell USA: District of Columbia [data not captured] H. T. Holm 1907-6-7
GH: 02371802 Carex annectens (E. P. Bicknell) E. P. Bicknell USA: Maryland [data not captured] H. T. Holm 1913-6
GH: 02391224 Carex atlantica L. H. Bailey USA: Virginia [data not captured] H. T. Holm 1913-5-12
GH: 01772538 Carex intumescens Rudge USA: District of Columbia [data not captured] H. T. Holm
GH: 02371018 Carex muehlenbergii Schkuhr ex Willdenow USA: District of Columbia [data not captured] H. T. Holm 1908-6-22
GH: 02371181 Carex muehlenbergii enervis Boott USA: District of Columbia [data not captured] H. T. Holm 1895-5
GH: 02371179 Carex muehlenbergii enervis Boott USA: District of Columbia [data not captured] H. T. Holm 1899-5-17
GH: 02369857 Carex rosea Schkuhr ex Willdenow USA: District of Columbia [data not captured] H. T. Holm 1888-5
GH: 02371993 Carex vulpinoidea Michaux USA: District of Columbia [data not captured] H. T. Holm 1888-6
GH: 02371994 Carex vulpinoidea Michaux USA: District of Columbia [data not captured] H. T. Holm 1888-6
Ericaceae
GH: 01593550 Kalmia angustifolia Linnaeus USA: Maryland near Stony Run H. T. Holm 1913-6
A: 01593796 Kalmia latifolia Linnaeus USA: District of Columbia Washington: prope Washington D. C. H. T. Holm 1888-12-6
Fabaceae
GH: 01539538 Kummerowia striata (Thunberg) Schindler USA: Maryland [data not captured] H. T. Holm 1915-9-15
GH: 01539526 Kummerowia striata (Thunberg) Schindler USA: District of Columbia [data not captured] H. T. Holm 1898-9-14
GH: 01539490 Kummerowia striata (Thunberg) Schindler USA: Maryland [data not captured] H. T. Holm 1921-10
GH: 02150399 Lathyrus venosus Muhlenberg ex Willdenow USA: Maryland at Great Falls of the Potomac H. T. Holm 1899-5-10
GH: 02150699 Lespedeza brittonii E. P. Bicknell USA: Maryland near Great Falls H. T. Holm 1915-9-15
GH: 02150773 Lespedeza capitata Michaux USA: Maryland near Clinton. H. T. Holm 1921-8-23
GH: 02087108 Lespedeza hirta (Linnaeus) Hornemann USA: Maryland near Clinton. H. T. Holm 1921-9-29
GH: 02087375 Lespedeza procumbens Michaux USA: Maryland near Great Falls. H. T. Holm 1915-9-15
GH: 02087446 Lespedeza procumbens Michaux USA: District of Columbia near Great Falls, Virginia H. T. Holm 1915-9-24
GH: 02087688 Lespedeza stuevei Nuttall USA: Maryland near Clinton. H. T. Holm 1921-8-26
GH: 02087979 Lespedeza virginica (Linnaeus) Britton USA: Maryland near Clinton. H. T. Holm 1921-8-23
GH: 02087977 Lespedeza virginica (Linnaeus) Britton USA: Maryland near Clinton. H. T. Holm 1921-9-7
GH: 02132859 Oxytropis lambertii Pursh USA: Colorado near Central City. H. T. Holm 125 1899-7-25
GH: 02136411 Strophostyles umbellata (Muhlenberg ex Willdenow) Britton USA: District of Columbia [data not captured] H. T. Holm 1915-8-18
GH: 02136622 Stylosanthes biflora Britton, Stearn & Poggenburg USA: District of Columbia [data not captured] H. T. Holm 1915
GH: 02136837 Stylosanthes riparia Kearney USA: Maryland [data not captured] H. T. Holm 1921-7-28
GH: 02342141 Trifolium aureum Pollich USA: Maryland [data not captured] H. T. Holm 1922-6-22
Gentianaceae
GH: 02167496 Gentianella amarella acuta (Michaux) J. M. Gillett USA: Colorado near Steven's mine[?] Clear Creek Canyon H. T. Holm 1896-8-20
Iridaceae
GH: 01748666 Sisyrinchium angustifolium Miller USA: Maryland Great Falls of the Potomac H. T. Holm 1890-5-16
GH: 01750136 Sisyrinchium mucronatum Michaux USA: Maryland near Great Falls of the Potomac. H. T. Holm 1899-5-11
Juncaceae
GH: 02100653 Juncus bufonius Linnaeus USA: Maryland [data not captured] H. T. Holm 1899-5-15
GH: 02100632 Juncus bufonius Linnaeus USA: District of Columbia [data not captured] H. T. Holm 1898-6-17
GH: 02117229 Luzula echinata (Small) F. J. Hermann USA: District of Columbia [data not captured] H. T. Holm 1899-4-4
Lamiaceae
GH: 01554073 Collinsonia canadensis Linnaeus USA: Maryland near Great Falls. H. T. Holm 1915-9-15
GH: 01554095 Collinsonia canadensis Linnaeus USA: Maryland near Great Falls H. T. Holm 1915-9-15
Linaceae
GH: 02053924 Linum striatum Walter USA: Maryland near Clinton. H. T. Holm 1921-7-6
Lobeliaceae
GH: 01798927 Lobelia siphilitica Linnaeus USA: Maryland near Great Falls. H. T. Holm 1915-9-15
Nyctaginaceae
GH: 01846018 Mirabilis linearis (Pursh) Heimerl USA: Colorado plains near Denver H. T. Holm 1899-7-19
GH: 01846027 Mirabilis linearis (Pursh) Heimerl USA: Colorado plains near Denver H. T. Holm 1899-7-24
GH: 01846030 Mirabilis linearis (Pursh) Heimerl USA: Colorado plains near Denver H. T. Holm 1899-7-24
Orchidaceae
AMES: 01883903 Aplectrum hyemale (Muhlenberg ex Willdenow) Torrey USA: District of Columbia Washington: [no additional data] H. T. Holm 1899-4
AMES: 01938536 Corallorhiza odontorhiza (Willdenow) Poiret USA: District of Columbia Washington: [no additional data] H. T. Holm 1897-9
GH: 01938535 Corallorhiza odontorhiza (Willdenow) Poiret USA: District of Columbia Washington: near Great Falls Maryland H. T. Holm 1915-9-15
AMES: 01937436 Cypripedium acaule Aiton USA: District of Columbia by P.R.R. ca. 1 mi. s.s.e. of Townsend H. T. Holm 1892-5
AMES: 01937439 Cypripedium acaule Aiton USA: District of Columbia [no additional data] H. T. Holm 1892-5
AMES: 02065519 Galearis spectabilis (Linnaeus) Rafinesque USA: District of Columbia [no additional data] H. T. Holm 1902-5
AMES: 02028101 Goodyera pubescens (Willdenow) R. Brown USA: District of Columbia [no additional data] H. T. Holm 1897-8
AMES: 02051699 Isotria verticillata (Muhlenberg ex Willdenow) Rafinesque USA: District of Columbia near Fort Totten H. T. Holm 1908-6-8
AMES: 02051702 Isotria verticillata (Muhlenberg ex Willdenow) Rafinesque USA: District of Columbia near Brookland H. T. Holm 1913-5-2
AMES: 02051703 Isotria verticillata (Muhlenberg ex Willdenow) Rafinesque USA: District of Columbia [no additional data] H. T. Holm 1900-8
AMES: 02051704 Isotria verticillata (Muhlenberg ex Willdenow) Rafinesque USA: District of Columbia [no additional data] H. T. Holm 1900-5-5
AMES: 02028952 Liparis liliifolia (Linnaeus) Richard ex Lindley USA: District of Columbia [no additional data] H. T. Holm 1899-6
GH: 01951824 Orchis mascula (Linnaeus) Linnaeus United Kingdom: England: None-go-by, near Skipton H. T. Holm 4564 1909-5-29
GH: 01951850 Orchis mascula (Linnaeus) Linnaeus United Kingdom: England: None-go-by, near Skipton-in-Craven,... H. T. Holm 1909-5-19
AMES: 02066836 Platanthera clavellata (Michaux) Luer USA: District of Columbia [no additional data] H. T. Holm 1900
AMES: 02045901 Platanthera lacera (Michaux) G. Don USA: District of Columbia [no additional data] H. T. Holm 1897-6
AMES: 02045902 Platanthera lacera (Michaux) G. Don USA: District of Columbia [no additional data] H. T. Holm 1903-6
AMES: 02051983 Pogonia ophioglossoides (Linnaeus) Ker Gawler USA: Maryland near Clinton H. T. Holm 1928-6-18
AMES: 02029235 Tipularia discolor (Pursh) Nuttall USA: District of Columbia [no additional data] H. T. Holm 1888-8-24
AMES: 02029237 Tipularia discolor (Pursh) Nuttall USA: District of Columbia [no additional data] H. T. Holm 1897-8
AMES: 02029238 Tipularia discolor (Pursh) Nuttall USA: District of Columbia [no additional data] H. T. Holm 1899-4
Orobanchaceae
GH: 02034589 Agalinis tenuifolia (Vahl) Rafinesque USA: Maryland near Great Falls H. T. Holm 1915-9-15
GH: 02033210 Aureolaria pedicularia (Linnaeus) Rafinesque USA: Maryland near Great Falls. H. T. Holm 1915-9-15
Plantaginaceae
GH: 01147949 Callitriche terrestris Rafinesque USA: Maryland on my [Th. Holm] farm near Clinton H. T. Holm 1920-5-19
GH: 02212725 Callitriche terrestris Rafinesque USA: District of Columbia [data not captured] H. T. Holm 1896-5
GH: 01999805 Gratiola pilosa Michaux USA: Maryland [data not captured] H. T. Holm 1922-8-25
GH: 02000049 Gratiola viscidula Pennell USA: Maryland [data not captured] H. T. Holm 1921-8-19
GH: 02000628 Kickxia elatine (Linnaeus) Dumortier USA: Maryland [data not captured] H. T. Holm 1921-7-6
GH: 02120314 Penstemon hirsutus (Linnaeus) Willdenow USA: District of Columbia [data not captured] H. T. Holm 1914-05-20
GH: 02120675 Penstemon laevigatus Aiton USA: District of Columbia [data not captured] H. T. Holm 1891-5
GH: 01811336 Veronica persica Poiret USA: District of Columbia [data not captured] H. T. Holm 1913-5-6
Poaceae
GH: 01853027 Andropogon gerardii Vitman USA: Virginia [data not captured] H. T. Holm 1915-9-24
GH: 01853048 Andropogon glomeratus (Walter) Britton, Sterns & Poggenburg USA: District of Columbia [data not captured] H. T. Holm 1911-5-10
GH: 01812394 Andropogon gyrans Ashe USA: Maryland [data not captured] H. T. Holm 1911
GH: 01814183 Erianthus giganteus (Walter) P. Beauvois USA: District of Columbia [data not captured] H. T. Holm 1911-5-10
GH: 01814776 Sorghastrum nutans (Linnaeus) Nash USA: District of Columbia [data not captured] H. T. Holm 1915-9-1
Polemoniaceae
GH: 01686050 Phlox paniculata Linnaeus USA: Maryland near Great Falls. H. T. Holm 1915-9-15
Polygalaceae
GH: 01971907 Polygala ambigua Nuttall USA: Maryland near Surattsville H. T. Holm 1900-8-6
GH: 01970560 Polygala curtissii A. Gray USA: Virginia near York H. T. Holm 1897-9-16
Polygonaceae
GH: 02363740 Persicaria lapathifolia (Linnaeus) Delarbre USA: District of Columbia [data not captured] H. T. Holm 1915-9-15
GH: 02360183 Polygonum buxiforme Small USA: District of Columbia [data not captured] H. T. Holm 1915-8-18
GH: 02007925 Polygonum tenue Michaux USA: Maryland [data not captured] H. T. Holm 1915-9-15
Ranunculaceae
GH: 01720652 Aconitum uncinatum Linnaeus USA: District of Columbia near Great Falls, Virginia. H. T. Holm 1915-9-24
GH: 01665042 Ranunculus hispidus caricetorum (Greene) T. Duncan USA: Maryland swamp at Marshall Hall H. T. Holm 1899-5-15
GH: 01836825 Ranunculus parviflorus Linnaeus USA: Virginia near Quantico H. T. Holm 1913-5-12
Rosaceae
A: 01730453 Aronia arbutifolia (Linnaeus) Persoon USA: Maryland near Clinton. H. T. Holm 1925-6-30
GH: 01604199 Rubus cuneifolius Pursh USA: Maryland near Silverhill H. T. Holm 1895-9
A: 01604810 Rubus frondosus Bigelow USA: Maryland along the road near Clinton H. T. Holm 1920-8-6
Rubiaceae
GH: 02140297 Galium triflorum Michaux USA: Virginia [data not captured] H. T. Holm 1915-9-24
Rutaceae
GH: 01684040 Zanthoxylum clava-herculis Linnaeus USA: Florida [data not captured] H. T. Holm 1893-3-16
Saxifragaceae
GH: 01733551 Chrysosplenium americanum Schweinitz ex Hooker USA: Maryland near Great Falls. H. T. Holm 1915-9-15
Sphacelariaceae
FH: 00803286 Chaetopteris plumosa (Lyngbye) Kützing Russia: Novaia Zemlia H. T. Holm 1882-8-28
Violaceae
GH: 02146271 Viola cucullata Aiton USA: Maryland at Great Falls of the Potomac H. T. Holm 1899-5-7
GH: 02146784 Viola hirsutula Brainerd USA: Maryland near Forest Glen H. T. Holm 1900-5-7
GH: 02146783 Viola hirsutula Brainerd USA: Maryland copiose ad Forest Glen, in collibus arenosis... H. T. Holm 36 1900-5-7
GH: 02209211 Viola pubescens Aiton USA: Maryland near Hyattsville H. T. Holm 1899-6-19
GH: 02209208 Viola pubescens Aiton USA: Maryland near Hyattsville H. T. Holm 1900-4-24
GH: 02209984 Viola sagittata Aiton USA: Maryland at Marshall Hall H. T. Holm 1899-5-15

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