FH: 00390213 Buellia spuria (Schaerer) Anzi USA: Connecticut [data not captured] R. A. Darrow 1935
FH: 00377071 Lepraria lobificans Nylander USA: Indiana Miller R. A. Darrow 1031 1935-10-5
FH: 00442374 Leptogium cyanescens (Persoon) Körber USA: Virginia [data not captured] R. A. Darrow 1935-9-1
FH: 00454508 Mycoblastus sanguinarius (Linnaeus) Norman USA: Oregon [data not captured] R. A. Darrow 90 1933-4-8
FH: 00469426 Peltigera aphthosa variolosa (A. Massalongo) J. W. Thomson USA: Virginia [data not captured] R. A. Darrow 1935-9-1
FH: 00469427 Peltigera aphthosa variolosa (A. Massalongo) J. W. Thomson USA: Virginia [data not captured] R. A. Darrow 1935-9-1
FH: 00469466 Peltigera aphthosa variolosa (A. Massalongo) J. W. Thomson USA: Oregon [data not captured] R. A. Darrow 62 1933-4-8
FH: 00469716 Peltigera evansiana Gyelnik USA: Virginia [data not captured] R. A. Darrow 1935-9-1
FH: 00469793 Peltigera horizontalis (Hudson) Baumgarten USA: Indiana [data not captured] R. A. Darrow 1935-10-5
FH: 00469948 Peltigera membranacea (Acharius) Nylander USA: Oregon Portland: [no additional data] R. A. Darrow 61 1933-4-8
FH: 00470323 Peltigera rufescens (Weiss) Humboldt USA: New York [data not captured] R. A. Darrow 1935-6-17
FH: 00469616 Peltigera sp. USA: Michigan [data not captured] R. A. Darrow 1935-10-6
FH: 00473875 Platismatia glauca (Linnaeus) W. L. Culberson & C. F. Culberson USA: New York [data not captured] R. A. Darrow 1935-6-18
FH: 00477753 Rhizocarpon grande (Flörke ex Flotow) Arnold USA: Idaho [data not captured] R. A. Darrow 34 1932-11-14
FH: 00492473 Umbilicaria decussata darrowii Frey USA: California San Bernardino: [data not captured] R. A. Darrow 1933-7-27
FH: 00492843 Umbilicaria mammulata (Acharius) Tuckerman USA: Virginia [data not captured] R. A. Darrow 1935-9-1
FH: 00492952 Umbilicaria muhlenbergii (Acharius) Tuckerman USA: Connecticut Canaan: [data not captured] R. A. Darrow 1935-7-15
FH: 00394074 Xanthoria candelaria (Linnaeus) Th. Fries USA: Idaho Moscow: [data not captured] R. A. Darrow 19 1932
Aceraceae GH: 01791125 Acer grandidentatum Nuttall ex Torrey & A. Gray USA: Arizona Santa Catalina Mtns R. A. Darrow 1937-10-3
Agyriaceae FH: 00491748 Trapeliopsis granulosa (Hoffmann) Lumbsch USA: New York [data not captured] R. A. Darrow 1935-6-17
FH: 00491772 Trapeliopsis granulosa (Hoffmann) Lumbsch USA: Michigan [data not captured] R. A. Darrow 1067 1935-10-6
Aizoaceae GH: 01860258 Trianthema portulacastrum Linnaeus USA: Arizona Casa Grande R. A. Darrow 1936-9-13
Amaranthaceae GH: 01929219 Amaranthus palmeri S. Watson USA: Arizona Santa Rita Range Reserve R. A. Darrow 1927-8-3
GH: 01930373 Gomphrena sonorae Torrey USA: Arizona Box Cany[on], Santa Rita Mts. R. A. Darrow 1932-9-25
GH: 01930498 Iresine heterophylla Standley USA: Arizona Sycamore Canyon, near Ruby R. A. Darrow H. S. Haskell 2008 1944-9-30
GH: 01930707 Tidestromia lanuginosa eliassoniana Sánchez-del Pino & Flores Olvera USA: Arizona Santa Rita Range Reserve R. A. Darrow 1936-8-25
Aspleniaceae GH: 01919633 Asplenium exiguum Beddome USA: Arizona Needle Rock, Sycamore Canyon R. A. Darrow 2047 1944-9-30
Asteraceae GH: 01923577 Brickellia grandiflora (Hooker) Nuttall USA: Arizona Santa Rita Mts. R. A. Darrow [data not captured] 1936-8-23
GH: 02142099 Calycoseris wrightii A. Gray USA: Arizona Flat Top Mt.- Papago Indian Res. R. A. Darrow 1937
GH: 02206788 Erigeron divergens Torrey & A. Gray USA: Arizona Box Cany. Santa Rita Mtns R. A. Darrow 1937-3-28
GH: 02204838 Heterotheca viscida (A. Gray) Harms USA: Arizona Santa Rita Mts R. A. Darrow 1927-6-20
GH: 01835583 Malacothrix fendleri A. Gray USA: Arizona Ronstadt, Baboquivari Mtns. R. A. Darrow 1937-4-4
GH: 01835624 Malacothrix glabrata (A. Gray ex D. C. Eaton) A. Gray USA: Arizona Ronstadt, Baboquivari Mts. R. A. Darrow 1937-4-4
GH: 01835767 Malacothrix sonchoides (Nuttall) Torrey & A. Gray USA: Arizona Sahuarita R. A. Darrow 1937-5-9
Berberidaceae GH: 02169269 Mahonia haematocarpa (Wooton) Fedde USA: Arizona Globe R. A. Darrow 1937-3-14
Boraginaceae GH: 01956733 Amsinckia menziesii A. Nelson & J. F. Macbride USA: Arizona Florence R. A. Darrow 1937-3-14
GH: 01957119 Amsinckia tessellata A. Gray USA: Arizona Florence R. A. Darrow 1937-3-14
GH: 02023064 Cryptantha barbigera (A. Gray) Greene USA: Arizona Apache Lake, eastern Maricopa Co R. A. Darrow 1937-3-14
GH: 02023066 Cryptantha barbigera (A. Gray) Greene USA: Arizona Flat Top Mt. Papago Indian Reservation, west... R. A. Darrow 1937-3-7
GH: 01993021 Harpagonella palmeri arizonica I. M. Johnston USA: Arizona Flat Top Mountain, Papago Indian Reservation... R. A. Darrow 1937-3-7
GH: 01994937 Lappula redowskii (Hornemann) Greene USA: Arizona Tucson: [no additional data] R. A. Darrow 1937-3-28
GH: 02061725 Pectocarya platycarpa (Munz & I. M. Johnston) Munz & I. M. Johnston USA: Arizona Florence R. A. Darrow 1937-3-14
GH: 02062059 Plagiobothrys arizonicus (A. Gray) Greene USA: Arizona Silverbell Road, Tucson Mountains R. A. Darrow 1937-3-21
GH: 02062045 Plagiobothrys arizonicus (A. Gray) Greene USA: Arizona Burro Creek, 10 mi. west, near Wikieup R. A. Darrow [data not captured] 41 1938-4-20
Brassicaceae GH: 01084010 Descurainia pinnata halictorum (Cockerell) Detling USA: Arizona Tucson: [no additional data] R. A. Darrow 1937-3-28
GH: 01084352 Descurainia pinnata ochroleuca (Wooton) Detling USA: Arizona Tucson: [no additional data] R. A. Darrow 1937-3-28
GH: 01561517 Dryopetalon runcinatum A. Gray USA: Arizona Tucson Mts. R. A. Darrow 1937-3-20
GH: 01549882 Lepidium virginicum medium (Greene) C. L. Hitchcock USA: Arizona Apache Junct. R. A. Darrow 1937-3-14
GH: 01550622 Noccaea fendleri glauca (A. Nelson) Al-Shehbz & M. Koch USA: Arizona San Francisco Mtns. R. A. Darrow 61 1937-8-20
GH: 01573404 Pennellia tricornuta (Rollins) R. A. Price, C. D. Bailey & Al-Shehbaz USA: Arizona Santa Rita Mts. R. A. Darrow [data not captured] 1936-8-23
GH: 01575876 Physaria gordonii (A. Gray) O'Kane & Al-Shehbaz USA: Arizona Flat Top Mt. Papago Indian Reservation R. A. Darrow 1937-3-7
GH: 01691097 Physaria purpurea (A. Gray) O'Kane & Al-Shehbaz USA: Arizona Apache Junction R. A. Darrow 1937-3-14
GH: 01731535 Thysanocarpus curvipes Hooker USA: Arizona Tucson Mts. R. A. Darrow 1937-3-20
Bromeliaceae GH: 02015985 Tillandsia recurvata (Linnaeus) Linnaeus Argentina: Santa Cruz Arizona R. A. Darrow 1936-12-2
GH: 02015983 Tillandsia recurvata (Linnaeus) Linnaeus USA: Arizona Patagonia R. A. Darrow 1936-12-2
Caesalpiniaceae GH: 01852751 Chamaecrista serpens wrightii (A. Gray) H. S. Irwin & Barneby USA: Arizona Atasca Mtns; Calabasas R. A. Darrow 1937-7-11
Capparaceae GH: 01872532 Polanisia dodecandra trachysperma (Torrey & A. Gray) Iltis USA: Arizona Graham Mts. R. A. Darrow 1937-7-4
Celastraceae GH: 01855214 Mortonia sempervirens A. Gray USA: Arizona Turney's Ranch, Whetstone Mts. R. A. Darrow 1937-6-13
Cladoniaceae FH: 00413873 Cladonia amaurocraea (Flörke) Schaerer USA: New York [data not captured] R. A. Darrow 861 1935
FH: 00406049 Cladonia arbuscula (Wallroth) Flotow USA: New Hampshire Keene: [data not captured] R. A. Darrow 853 1935
FH: 00406167 Cladonia arbuscula (Wallroth) Flotow USA: New Jersey [data not captured] R. A. Darrow 1005 1935
FH: 00406174 Cladonia arbuscula (Wallroth) Flotow USA: West Virginia [data not captured] R. A. Darrow 948 1935
FH: 00406180 Cladonia arbuscula (Wallroth) Flotow USA: Virginia [data not captured] R. A. Darrow 999 1935
FH: 00406848 Cladonia boryi Tuckerman USA: Connecticut Canaan: [data not captured] R. A. Darrow 918 1935
FH: 00412650 Cladonia cervicornis verticillata (Hoffmann) Ahti USA: New York [data not captured] R. A. Darrow 977 1935
FH: 00412864 Cladonia chlorophaea (Flörke ex Sommerfelt) Sprengel USA: New Jersey [data not captured] R. A. Darrow 1001 1935
FH: 00412865 Cladonia chlorophaea (Flörke ex Sommerfelt) Sprengel USA: Virginia [data not captured] R. A. Darrow 937 1935
FH: 00412869 Cladonia chlorophaea (Flörke ex Sommerfelt) Sprengel USA: Virginia [data not captured] R. A. Darrow 926 1935
FH: 00412881 Cladonia chlorophaea (Flörke ex Sommerfelt) Sprengel USA: West Virginia [data not captured] R. A. Darrow 934 1935
FH: 00412944 Cladonia chlorophaea (Flörke ex Sommerfelt) Sprengel USA: Michigan [data not captured] R. A. Darrow 1062 1935
FH: 00412949 Cladonia chlorophaea (Flörke ex Sommerfelt) Sprengel USA: Illinois [data not captured] R. A. Darrow 1092 1935
FH: 00411290 Cladonia coniocraea (Flörke) Sprengel USA: New York [data not captured] R. A. Darrow 1070 1935
FH: 00411938 Cladonia cristatella Tuckerman USA: New Jersey [data not captured] R. A. Darrow 1091 1935
FH: 00410117 Cladonia cristatella Tuckerman USA: New Hampshire Keene: [data not captured] R. A. Darrow 848 1935
FH: 00410065 Cladonia cristatella beauvoisii (Delise) Vainio USA: Connecticut North Haven: [data not captured] R. A. Darrow 988 1935
FH: 00410105 Cladonia cristatella beauvoisii (Delise) Vainio USA: Michigan [data not captured] R. A. Darrow 1065 1935
FH: 00410324 Cladonia deformis (Linnaeus) Hoffmann USA: New York Adirondack Mountains: [data not captured] R. A. Darrow 900 1935
FH: 00371598 Cladonia furcata pinnata (Flörke) Vainio USA: Connecticut [data not captured] R. A. Darrow 920 1935
FH: 00371620 Cladonia furcata pinnata (Flörke) Vainio USA: Virginia [data not captured] R. A. Darrow 936 1935
FH: 00428216 Cladonia gracilis turbinata (Acharius) Ahti USA: New York Adirondack Mountains: [data not captured] R. A. Darrow 903 1935
FH: 00428461 Cladonia grayi G. Merrill ex Sandstede USA: New York Adirondack Mountains: [data not captured] R. A. Darrow 1072 1935
FH: 00370070 Cladonia mateocyatha Robbins USA: Connecticut North Haven: [data not captured] R. A. Darrow 982 1935
FH: 00370199 Cladonia mitis Sandstede USA: Connecticut North Haven: [data not captured] R. A. Darrow 868 1935
FH: 00370204 Cladonia mitis Sandstede USA: New York Adirondack Mountains: [data not captured] R. A. Darrow 854 1935
FH: 00370246 Cladonia mitis Sandstede USA: New Jersey [data not captured] R. A. Darrow 1026 1935
FH: 00440460 Cladonia pleurota (Flörke) Schaerer USA: New York Adirondack Mountains: [data not captured] R. A. Darrow 902 1935
FH: 00426317 Cladonia rangiferina (Linnaeus) Weber ex F. H. Wiggers USA: New Hampshire Keene: [data not captured] R. A. Darrow 849 1935
FH: 00426375 Cladonia rangiferina (Linnaeus) Weber ex F. H. Wiggers USA: Connecticut Canaan: [data not captured] R. A. Darrow 916 1935
FH: 00426381 Cladonia rangiferina (Linnaeus) Weber ex F. H. Wiggers USA: New York Adirondack Mountains: [data not captured] R. A. Darrow 850 1935
FH: 00426474 Cladonia rangiferina (Linnaeus) Weber ex F. H. Wiggers USA: West Virginia [data not captured] R. A. Darrow 958 1935
FH: 00392014 Cladonia squamosa (Scopoli) Hoffmann USA: Connecticut Canaan: [data not captured] R. A. Darrow 912 1935
FH: 00392228 Cladonia squamosa denticollis (Hoffmann) Flörke USA: New York Adirondack Mountains: [data not captured] R. A. Darrow 904 1935-6-18
FH: 00392812 Cladonia stellaris (Opiz) Pouzar & Vězda USA: New Hampshire Keene: [data not captured] R. A. Darrow 852 1935-6-21
FH: 00392873 Cladonia stellaris (Opiz) Pouzar & Vězda USA: New York Adirondack Mountains: [data not captured] R. A. Darrow 840 1935-6-18
FH: 00392952 Cladonia strepsilis (Acharius) Grognot USA: Connecticut North Haven: [data not captured] R. A. Darrow 871 1935
FH: 00392956 Cladonia strepsilis (Acharius) Grognot USA: New Jersey [data not captured] R. A. Darrow 1023 1935
FH: 00391010 Cladonia strepsilis (Acharius) Grognot USA: Connecticut North Haven: [data not captured] R. A. Darrow 877 1935-6-30
FH: 00391735 Cladonia tenuis (Flörke) Harmand USA: Connecticut Canaan: [data not captured] R. A. Darrow 917 1935-7-15
FH: 00391905 Cladonia turgida Ehrhart ex Hoffmann USA: New Hampshire Keene: [data not captured] R. A. Darrow 855 1935-6-21
FH: 00407115 Cladonia uncialis (Linnaeus) Weber ex F. H. Wiggers USA: New Hampshire Keene: [data not captured] R. A. Darrow 847 1935-6-21
FH: 00407185 Cladonia uncialis (Linnaeus) Weber ex F. H. Wiggers USA: New York Adirondack Mountains: [data not captured] R. A. Darrow 857 1935-6-18
FH: 00407208 Cladonia uncialis (Linnaeus) Weber ex F. H. Wiggers USA: West Virginia [data not captured] R. A. Darrow 932 1935-9-1
FH: 00407237 Cladonia uncialis (Linnaeus) Weber ex F. H. Wiggers USA: Connecticut North Haven: [data not captured] R. A. Darrow 867 1935-7-1
FH: 00407238 Cladonia uncialis (Linnaeus) Weber ex F. H. Wiggers USA: Connecticut Canaan: [data not captured] R. A. Darrow 911 1935-7-15
FH: 00407462 Cladonia uncialis (Linnaeus) Weber ex F. H. Wiggers USA: Connecticut Canaan: [data not captured] R. A. Darrow 910 1935-7-15
FH: 00475404 Pycnothelia papillaria (Ehrhart) Dufour USA: New Jersey [data not captured] R. A. Darrow 1935-8-25
FH: 00475504 Pycnothelia sp. USA: Connecticut Canaan: [data not captured] R. A. Darrow 1935-7-15
Cucurbitaceae GH: 01544354 Marah gilensis (Greene) Greene USA: Arizona Fish Creek Canyon R. A. Darrow 1937-3-14
Cupressaceae GH: 02105320 Juniperus monosperma Sargent USA: Arizona One mile east of Cienega crossing on Tucson-... R. A. Darrow [data not captured] 2608 1945-7-2
Ephedraceae GH: 00933501 Ephedra nevadensis S. Watson USA: Arizona Apache Junction R. A. Darrow 1937-3-14
Ericaceae GH: 01117271 Arbutus arizonica (A. Gray) Sargent USA: Arizona Santa Catalina Mtns. R. A. Darrow 1937-10-3
Fabaceae GH: 01963857 Acmispon oroboides (Kunth) Brouillet USA: Arizona Oracle R. A. Darrow 1937-4-25
GH: 01963948 Acmispon rigidus (Bentham) Brouillet USA: Arizona Canyon Lake R. A. Darrow 1937-3-14
GH: 01963949 Acmispon rigidus (Bentham) Brouillet USA: Arizona Canyon Lake R. A. Darrow 1937-3-14
GH: 01963956 Acmispon rigidus (Bentham) Brouillet USA: Arizona Canyon Lake, Apache Trail R. A. Darrow 1937-3-14
GH: 01967139 Acmispon subpinnatus (Lagasca) D. D. Sokoloff USA: Arizona Topawah, near Sells R. A. Darrow 1937-4-4
GH: 01967341 Aeschynomene villosa Poiret USA: Arizona Sycamore Canyon, near Ruby R. A. Darrow H. S. Haskell 2063 1944-9-30
GH: 02049525 Astragalus nothoxys A. Gray USA: Arizona Box Canyon Santa Rita Mtns. R. A. Darrow 1937-3-28
GH: 02049527 Astragalus nothoxys A. Gray USA: Arizona Box Canyon, Santa Rita Mtns R. A. Darrow 1937-3-28
GH: 02030431 Astragalus wootonii E. Sheldon USA: Arizona Roustadt, Baboquivari Mtns R. A. Darrow 1937-4-4
GH: 01885408 Dalea filiformis A. Gray USA: Arizona Reef Mine; Huachuca Mountains R. A. Darrow F. W. Gould, W. S. Ph... 1473 1944-9-9
GH: 01885502 Dalea formosa Torrey USA: Arizona Vail R. A. Darrow 1937-3-28
GH: 01885501 Dalea formosa Torrey USA: Arizona Peppensance Cany., Santa Catalina Mts R. A. Darrow 1930-4-25
GH: 01921287 Dalea pringlei A. Gray USA: Arizona Brown Canyon, on east slope of Baboquivari M... R. A. Darrow [data not captured] 2159 1944-10-12
GH: 01961360 Desmodium gramineum A. Gray USA: Arizona Sycamore Canyon, near Ruby R. A. Darrow [data not captured] 2229 1944-10-13
GH: 01960353 Desmodium rosei B. G. Schubert USA: Arizona Sycamore Canyon, Patagonia Mountains R. A. Darrow 3521 1946-10-6
GH: 02085976 Lupinus concinnus J. Agardh USA: Arizona Ronstadt, Baboquivari Mtns R. A. Darrow 1937-4-4
GH: 02177639 Lupinus palmeri S. Watson USA: Arizona Santa Catalina Mts. R. A. Darrow 1937-4-25
GH: 01539673 Lupinus sparsiflorus mohavensis Dziek. & D. B. Dunn USA: Arizona Apache [et.?] R. A. Darrow 1937-3-14
GH: 02133751 Psoralidium tenuiflorum (Pursh) Rydberg USA: Arizona upper Box Canyon-Santa Rita Mts. R. A. Darrow 1937-6-13
GH: 02134910 Robinia neomexicana A. Gray USA: Arizona Santa Rita Mts. R. A. Darrow 1937-6-20
GH: 02345908 Vicia exigua Nuttall USA: Arizona Box Canyon, Santa Rita Mts. R. A. Darrow 1937-3-28
Hypogymniaceae FH: 00450826 Hypogymnia physodes (Linnaeus) Nylander USA: New York Adirondack Mountains: [data not captured] R. A. Darrow 879 1935
FH: 00450900 Hypogymnia physodes (Linnaeus) Nylander USA: Idaho Moscow: [data not captured] R. A. Darrow 1 1932
Icmadophilaceae FH: 00491074 Thamnolia vermicularis (Swartz) Schaerer USA: New York [data not captured] R. A. Darrow 845 1935-6-18
Lamiaceae GH: 01555030 Agastache sp. USA: Arizona Sycamore Canyon, near Ruby. R. A. Darrow [data not captured] 2054 1944-9-30
GH: 01555214 Agastache wrightii (Greenman) Wooton & Standley USA: Arizona Sycamore Canyon, near Ruby. R. A. Darrow [data not captured] 2050 1944-9-30
GH: 01596863 Salvia columbariae Bentham USA: Arizona Apache Lake R. A. Darrow 1937-3-14
Lecideaceae FH: 00452585 Lecidea atrobrunnea (Ramond) Schaerer USA: Idaho [data not captured] R. A. Darrow 1932-11-14
FH: 00430225 Lecidea tessellata Flörke USA: Michigan [data not captured] R. A. Darrow 1932-11-11
Lobariaceae FH: 00480639 Sticta weigelii (Acharius) Vainio USA: Virginia [data not captured] R. A. Darrow 1935-9-1
Malvaceae GH: 02200846 Sida tragiifolia A. Gray USA: Arizona Sycamore Canyon, near Ruby R. A. Darrow [data not captured] 2223 1944-10-13
GH: 01547936 [None] USA: Arizona Sycamore Canyon, near Ruby R. A. Darrow [data not captured] 2221 1944-10-13
GH: [None] USA: Arizona Sycamore Canyon, near Ruby R. A. Darrow [data not captured] 2221 1944-10-13
Onagraceae GH: 01624812 Calylophus hartwegii toumeyi (Small) Towner & P. H. Raven USA: Arizona Wonderland of Rocks, Chiricahua Mtns R. A. Darrow 1937-7-4
GH: 01625338 Camissonia californica (Nuttall ex Torrey & A. Gray) P. H. Raven USA: Arizona Flat Top Mt. Papago Indian Reservation R. A. Darrow 1937-3-7
Papaveraceae GH: 01857016 Eschscholzia californica mexicana (Greene) C. Clark USA: Arizona Box Canyon. Santa Rita Mts. R. A. Darrow 1937-3-28
GH: 01857017 Eschscholzia californica mexicana (Greene) C. Clark USA: Arizona Box Canyon, Santa Rita Mtns. R. A. Darrow 1937-3-28
Parmeliaceae FH: 00413092 Cetraria arenaria Kärnefelt USA: West Virginia [data not captured] R. A. Darrow 1935
FH: 00413315 Cetraria laevigata Rassadina USA: New York [data not captured] R. A. Darrow 1935
FH: 00439611 Flavocetraria cucullata (Bellardi) Kärnefelt & A. Thell USA: New York Adirondack Mountains: [data not captured] R. A. Darrow 841 1935-6-18
FH: 00439703 Flavocetraria nivalis (Linnaeus) Kärnefelt & A. Thell USA: New York Adirondack Mountains: [data not captured] R. A. Darrow 866 1935
FH: 00439939 Flavoparmelia caperata (Linnaeus) Hale USA: Virginia [data not captured] R. A. Darrow 1935-9-1
FH: 00442781 Letharia columbiana (Nuttall) J. W. Thomson USA: Idaho [no additional data] R. A. Darrow 1933
FH: 00455873 Omphalodium arizonicum (Tuckerman ex Willey) Tuckerman USA: Arizona Tucson: [data not captured] R. A. Darrow 1934-7-4
FH: 00467431 Parmelia darrowii J. W. Thomson USA: Arizona [data not captured] R. A. Darrow 4093 1947-3-30
FH: 00468751 Parmelia sulcata Taylor USA: Virginia [data not captured] R. A. Darrow 1935-9-1
FH: 00474611 Pseudevernia cladonia (Tuckerman) Hale & W. L. Culberson USA: New York [data not captured] R. A. Darrow 858 1935-6-18
FH: 00493654 Usnea florida (Linnaeus) Weber ex F. H. Wiggers USA: Virginia [data not captured] R. A. Darrow
FH: 00493655 Usnea florida (Linnaeus) Weber ex F. H. Wiggers USA: Virginia [data not captured] R. A. Darrow 1935-9-1
Phytolaccaceae GH: 01681458 Rivina humilis Linnaeus USA: Arizona Colossal Cave State Park barbeque area; Rinc... R. A. Darrow 2133 1944-10-3
Pinaceae GH: 00397571 Pinus arizonica Engelmann USA: Arizona Santa Catalina Mtns. R. A. Darrow 1937-10-3
GH: 00397904 Pinus cembroides Zuccarini USA: New Mexico Santa Rita Mts. R. A. Darrow 1937-6-13
GH: 00398925 Pinus leiophylla chihuahuana (Engelmann) Shaw USA: Arizona Santa Catalina Mtns R. A. Darrow 1937-10-3
GH: 01113338 Pseudotsuga menziesii (Mirbel) Franco USA: Arizona Santa Catalina Mts. R. A. Darrow 1937-10-3
Plantaginaceae GH: 02002032 Penstemon ambiguus Torrey USA: Arizona Oracle Junction R. A. Darrow 1937-4-25
GH: 02121578 Penstemon parryi (A. Gray) A. Gray USA: Arizona Rincon Mtns R. A. Darrow 1937-4-11
GH: 02122000 Penstemon pseudospectabilis M. E. Jones USA: Arizona Rincon Mts R. A. Darrow 1937-4-11
GH: 02122875 Penstemon subulatus M. E. Jones USA: Arizona Tortilla Flat, Apache Trail R. A. Darrow 1937-3-14
GH: 01802814 Plantago major Linnaeus USA: Arizona Elgin R. A. Darrow 1937-5-23
GH: 01803398 Plantago ovata Forsskål USA: Arizona Florence R. A. Darrow 1937-3-14
GH: 01803752 Plantago patagonica spinulosa (Decaisne) A. Gray USA: Arizona Sonoita R. A. Darrow 1937-6-13
Polemoniaceae GH: 01104050 Ipomopsis longiflora (Torrey) V. E. Grant USA: Arizona Artesia Mtns, near Sells. R. A. Darrow 1937-4-4
GH: 01104420 Ipomopsis thurberi (A. Gray) V. E. Grant USA: Arizona Box Canyon, Santa Rita Mtns R. A. Darrow [data not captured] 1936-9-16
GH: 01105170 Leptosiphon chrysanthus J. M. Porter & R. Patterson USA: Arizona Tucson: Tucson Mts. R. A. Darrow 1937-3-21
Polygonaceae GH: 01717474 Chorizanthe brevicornu Torrey USA: Arizona Bear Canyon, Santa Catalina Mtns. R. A. Darrow 1937-3-27
GH: 01717926 Eriogonum abertianum Torrey USA: Arizona Box Canyon - Santa Rita Mts. R. A. Darrow 1936-8-17
GH: 00036296 Eriogonum darrovii Kearney USA: Arizona 5 miles west of Ryan, Kaibales National Fore... R. A. Darrow 2998 1945-8-31
GH: 01652091 Eriogonum deflexum Torrey USA: Arizona Santa Rita Range Reserve. R. A. Darrow 1937-5-9
GH: 01652097 Eriogonum deflexum Torrey USA: Arizona Vekol Valley, Casa Grande R. A. Darrow 1937-9-13
GH: 01851134 Eriogonum inflatum Torrey & Fremont USA: Arizona Phoenix: Papago Park R. A. Darrow 1937-5-3
GH: 01851137 Eriogonum inflatum Torrey & Fremont USA: Arizona Apache Junction R. A. Darrow 1937-3-14
GH: 02043107 Eriogonum trichopes Torrey USA: Arizona Santa Rita Range Reserve R. A. Darrow 1937-5-9
Portulacaceae GH: 01858163 Calandrinia ciliata (Ruiz & Pavon) de Candolle USA: Arizona Apache Junction R. A. Darrow 1937-3-14
Pottiaceae FH: 00800959 Gymnostomum aeruginosum Smith USA: Arizona [data not captured] R. A. Darrow 3818 1945-6-17
FH: 00845396 Merceya ligulata (Spruce) Schimper USA: Arizona [data not captured] R. A. Darrow 1945-4-7
Ranunculaceae GH: 01708519 Anemone tuberosa Rydberg USA: Arizona Apache Junction R. A. Darrow 1937-3-14
GH: 01709339 Aquilegia chrysantha A. Gray USA: Arizona Santa Rita Mts. R. A. Darrow 1936-8-23
Rhamnaceae GH: 01790595 Condalia globosa pubescens I. M. Johnston USA: Arizona 10 miles south of Cubo (Kerwo) on east side ... R. A. Darrow 1941-3-14
GH: 01972796 Rhamnus crocea ilicifolia (Kellogg) Greene USA: Arizona Peppersauce Cany, Santa Catalina Mts. R. A. Darrow 1937-4-16
Rosaceae GH: 01587900 Cercocarpus montanus paucidentatus (S. Watson) F. L. Martin USA: Arizona Santa Catlalina Mts. R. A. Darrow 1937-10-3
GH: 01587901 Cercocarpus montanus paucidentatus (S. Watson) F. L. Martin USA: Arizona Peppersauce Cany., Santa Catalina Mtns. R. A. Darrow 1937-10-3
GH: 01588995 Fallugia paradoxa (D. Don) Endlicher USA: Arizona Fife Spring -Chiricahua Mts. R. A. Darrow 1937-7-3
GH: 01701181 Rubus neomexicanus A. Gray USA: Arizona Santa Rita Mts. R. A. Darrow 1937-6-20
Rubiaceae GH: 02139305 Galium stellatum Kellogg USA: Arizona Tucson Mts. R. A. Darrow 1937-3-20
Rutaceae GH: 01584616 Thamnosma texanum purpureum (Wooton & Standley) Woodruff USA: Arizona Vail R. A. Darrow 1932-3-28
Scrophulariaceae GH: 01842500 Erythranthe nasuta (Greene) G. L. Nesom USA: Arizona Box Canyon, Santa Rita Mtns. R. A. Darrow 1937-3-28
GH: 02001099 Maurandella antirrhiniflora (Humboldt & Bonpland ex Willdenow) Rothmaler USA: Arizona Salt River Canyon on route 60 between Globe ... R. A. Darrow 1943-6-6
Selaginellaceae GH: 02075487 Selaginella mutica D. C. Eaton ex Underwood USA: Arizona Mustang Mts. Near Harrison Ranch R. A. Darrow 3631 1946-10-19
Solanaceae GH: 01145756 Chamaesaracha sordida (Dunal) Gray USA: Arizona Vail R. A. Darrow 1937-5-2
GH: 00939425 Lycium fremontii A. Gray USA: Arizona Casa Grande R. A. Darrow 1937-5-3
GH: 01563125 Nicotiana obtusifolia Mertens & Galeotti USA: Arizona Vekol Valley, Casa Grande R. A. Darrow 1937-9-13
GH: 01563141 Nicotiana obtusifolia Mertens & Galeotti USA: Arizona South Mountain Park- Phoenix R. A. Darrow 1937-5-3
GH: 01563575 Physalis acutifolia (Miers) Sandwith USA: Arizona Casa Grande R. A. Darrow 1936-9-13
Sphaerophoraceae FH: 00479052 Sphaerophorus globosus (Hudson) Vainio USA: Washington [data not captured] R. A. Darrow 60 1933-4-7
Stereocaulaceae FH: 00377071 Amphiloma lanuginosa (Acharius) Nylander USA: Indiana Miller R. A. Darrow 1031 1935-10-5
FH: 00479767 Stereocaulon glaucescens caespitosulum (Nylander) I. M. Lamb USA: New York [data not captured] R. A. Darrow 1935-6-18
FH: 00479758 Stereocaulon paschale (Linnaeus) Hoffmann USA: Connecticut [data not captured] R. A. Darrow 1935-7-15
FH: 00479767 Stereocaulon paschale (Linnaeus) Hoffmann USA: New York [data not captured] R. A. Darrow 1935-6-18
FH: 00480332 Stereocaulon tomentosum Th. Fries USA: New York [data not captured] R. A. Darrow 1935-6-17
Tamaricaceae GH: 01942255 Tamarix gallica Linnaeus USA: Arizona Sacaton R. A. Darrow 1937-4-3
Trapeliaceae FH: 00473529 Placopsis gelida (Linnaeus) Lindsay USA: Oregon [data not captured] R. A. Darrow 92 1932-4-8
FH: 00473579 Placynthiella uliginosa (Schrader) Coppins & P. James USA: Connecticut Canaan: [data not captured] R. A. Darrow 1935-7-15
FH: 00473580 Placynthiella uliginosa (Schrader) Coppins & P. James USA: Connecticut North Haven: [data not captured] R. A. Darrow 1935-7-1
FH: 00473582 Placynthiella uliginosa (Schrader) Coppins & P. James USA: New Jersey [data not captured] R. A. Darrow 1935-8-25
Umbilicariaceae FH: 00438468 Lasallia papulosa (Acharius) Llano USA: Connecticut [data not captured] R. A. Darrow 1935-7-15
Urticaceae GH: 02170429 Parietaria hespera B. D. Hinton USA: Arizona Tucson Mtns. R. A. Darrow 1937-3-20
GH: 02170422 Parietaria hespera B. D. Hinton USA: Arizona Bear Cany. Santa Catalina Mtns. R. A. Darrow 1937-3-27
Usneaceae FH: 00476837 Ramalina farinacea (Linnaeus) Acharius USA: Oregon [data not captured] R. A. Darrow 70 1933-4-8
FH: 00477067 Ramalina menziesii Taylor USA: Oregon [data not captured] R. A. Darrow 66 1933-4-8
Verbenaceae GH: 01800931 Glandularia chiricahensis Umber USA: Arizona Santa Rita Mts. R. A. Darrow [data not captured] 1936-8-23
Zygophyllaceae GH: 01787753 Fagonia californica Bentham USA: Arizona Phoenix: South Mtn, Park R. A. Darrow 1937-5-3
GH: 01787829 Kallstroemia grandiflora Torrey ex A. Gray USA: Arizona Santa Rita Range Reserve R. A. Darrow 1936-8-15
