Apiaceae GH: 00424284 Lomatium engelmannii Mathias USA: California Summit, "Big" Red Mountain, 5 miles southeas... L. Constance & R. C. Rollins 3003 1942-5-21
GH: 00424289 Lomatium peckianum Mathias & Constance USA: California Yreka: One mile east of Yreka L. Constance & R. C. Rollins 2918 1942-5-14
Asteraceae GH: 02207882 Erigeron bloomeri nudatus (A. Gray) Cronquist USA: Oregon [data not captured] L. Constance & R. C. Rollins 3005 1942-5-19
GH: 02348572 Erigeron foliosus hartwegii (Greene) Jepson USA: California [data not captured] L. Constance & R. C. Rollins 1942-5-12
GH: 00427105 Eriophyllum lanatum lanceolatum (Howell) Jepson USA: California Klamath River 12 miles north of Weitchpec L. Constance & R. C. Rollins 2890 1942-5-12
GH: 02204763 Heterotheca villosa nana (A. Gray) Semple USA: Colorado south slope; S.W. of Denver, near Mount Morr... L. Constance & R. C. Rollins 1923 1937-6-24
GH: 01835966 Microseris howellii A. Gray USA: Oregon [data not captured] L. Constance & R. C. Rollins 2984 1942-5-19
Bartramiaceae FH: 00824905 Philonotis fontana (Hedwig) Bridel USA: California [data not captured] L. Constance & R. C. Rollins 1942-5-13
Boraginaceae GH: 02023795 Cryptantha hendersonii (A. Nelson) Piper ex J. C. Nelson USA: Idaho Between mouths of 3 Devils & Squaw creeks, 3... L. Constance & R. C. Rollins 1624 1936-5-30
GH: 02024500 Cryptantha minima Rydberg USA: Colorado southwest of Denver, near Mount Morrison L. Constance & R. C. Rollins 1910 1937-6-24
Brassicaceae GH: 00974062 Arabis aculeolata Greene USA: Oregon [data not captured] L. Constance & R. C. Rollins 2970 1942-5-18
GH: 00974063 Arabis aculeolata Greene USA: Oregon [data not captured] L. Constance & R. C. Rollins 3025 1942-5-19
GH: 00403864 Arabis macdonaldiana Eastwood USA: California summit, "Big" Red Mountain, 5 miles southeas... L. Constance & R. C. Rollins 3002 1942-5-21
GH: 00378711 Arabis modesta Rollins USA: California Klamath River 4 miles east of Seiad L. Constance & R. C. Rollins 2907 1942-5-13
GH: 00378713 Arabis modesta Rollins USA: California Scott River 2 miles northwest of Scott Bar L. Constance & R. C. Rollins 2911 1942-5-13
GH: 00974403 Arabis modesta Rollins USA: Oregon [data not captured] L. Constance & R. C. Rollins 2965 1942-5-17
GH: 00378706 Arabis oregana Rollins USA: California Scott River 10 miles southwest of Scott Bar L. Constance & R. C. Rollins 2915 1942-5-13
GH: 00974419 Arabis oregana Rollins USA: Oregon [data not captured] L. Constance & R. C. Rollins 2937 1942-5-15
GH: 00974420 Arabis oregana Rollins USA: Oregon [data not captured] L. Constance & R. C. Rollins 2938 1942-5-15
GH: 01181542 Boechera breweri (S. Watson) Al-Shehbaz USA: California Scott River 2 miles northwest of Scott Bar L. Constance & R. C. Rollins 2910 1942-5-13
GH: 01181545 Boechera breweri (S. Watson) Al-Shehbaz USA: California Shasta River 6 miles north of Yreka L. Constance & R. C. Rollins 2930 1942-5-14
GH: 00932700 Boechera holboelii pinetorum (Tidestrom) Dorn USA: California Scott River 10 miles southwest of Scott Bar L. Constance & R. C. Rollins 2914 1942-5-13
GH: 00932903 Boechera koehleri (Howell) Al-Shehbaz USA: Oregon [data not captured] L. Constance & R. C. Rollins 2954 1942-5-16
GH: 00932904 Boechera koehleri (Howell) Al-Shehbaz USA: Oregon [data not captured] L. Constance & R. C. Rollins 2976 1942-5-18
GH: 00960785 Boechera retrofracta (Graham) A. Löve & D. Löve USA: California Scott River 10 miles southwest of Scott Bar L. Constance & R. C. Rollins 2917 1942-5-13
GH: 00944164 Boechera sp. USA: Oregon [data not captured] L. Constance & R. C. Rollins 2967 1942-5-17
GH: 00948527 Boechera sparsiflora subvillosa (S. Watson) Dorn USA: California Klamath River 4 miles east of Seiad L. Constance & R. C. Rollins 2905 1942-5-13
GH: 00944134 Boechera subpinnatifida (S. Watson) Al-Shehbaz USA: California Road to Walker Post Office, 4 miles west of ... L. Constance & R. C. Rollins 2923 1942-5-14
GH: 00944136 Boechera subpinnatifida (S. Watson) Al-Shehbaz USA: California Shasta River 6 miles north of Yreka L. Constance & R. C. Rollins 2931 1942-5-14
GH: 00944139 Boechera subpinnatifida (S. Watson) Al-Shehbaz USA: Oregon [data not captured] L. Constance & R. C. Rollins 2969 1942-5-17
GH: 00379009 Cardamine californica sinuata (Greene) O. E. Schulz USA: California Eel River 1 mile north of Pepperwood L. Constance & R. C. Rollins 2998 1942-5-20
GH: 00983103 Cardamine constancei Detling USA: Idaho Middle Fork of Clearwater Creek at mouth of ... L. Constance & R. C. Rollins 1607 1936-5-31
GH: 00983572 Cardamine hirsuta Linnaeus USA: California Three miles east of East Fork of Willow Cree... L. Constance & R. C. Rollins 2871 1942-5-11
GH: 00983821 Cardamine nuttallii dissecta (O. E. Schulz) Rollins USA: Oregon [data not captured] L. Constance & R. C. Rollins 2990 1942-5-19
GH: 00983911 Cardamine oligosperma Nuttall USA: Oregon [data not captured] L. Constance & R. C. Rollins 2966 1942-5-17
GH: 01084022 Descurainia pinnata halictorum (Cockerell) Detling USA: California [data not captured] L. Constance & R. C. Rollins 2932 1942-5-14
GH: 01561471 Draba verna aestivalis Lejeune USA: Washington [data not captured] L. Constance & R. C. Rollins 1511 1936-5-8
GH: 00379375 Erysimum capitatum (Douglas ex Hooker) Greene USA: California Klamath River 1 mile south of Bluff Creek, 5... L. Constance & R. C. Rollins 2879 1942-5-12
GH: 01538063 Erysimum capitatum (Douglas ex Hooker) Greene USA: Oregon [data not captured] L. Constance & R. C. Rollins 2957 1942-5-16
GH: 01538187 Erysimum capitatum (Douglas ex Hooker) Greene USA: Washington [data not captured] L. Constance & R. C. Rollins 1518 1936-5-8
GH: 01548569 Lepidium draba Linnaeus USA: California [data not captured] L. Constance & R. C. Rollins 2920 1942-5-14
GH: 00422476 Noccaea fendleri glauca (A. Nelson) Al-Shehbz & M. Koch USA: California Klamath River 7 miles northeast of Weitchpec L. Constance & R. C. Rollins 2887 1942-5-12
GH: 00422467 Noccaea fendleri glauca (A. Nelson) Al-Shehbz & M. Koch USA: California Hoopa Valley 5 miles south of Hoopa L. Constance & R. C. Rollins 2877 1942-5-11
GH: 00019787 Noccaea fendleri siskiyouense (P. K. Holmgren) Al-Shehbz & M. Koch USA: Oregon Kerby Flat at base of Eight Dollar Mountain ... L. Constance & R. C. Rollins 2972 1942-5-18
GH: 00422285 Streptanthus tortuosus Kellogg USA: California Mouth of Bluff Creek, 6 miles northeast of W... L. Constance & R. C. Rollins 2880 1942-5-12
GH: 00422302 Streptanthus tortuosus Kellogg USA: California Klamath River near Clear Creek, 8 miles sout... L. Constance & R. C. Rollins 2901 1942-5-13
GH: 00019787 Thlaspi glaucum hesperium Payson USA: Oregon Kerby Flat at base of Eight Dollar Mountain ... L. Constance & R. C. Rollins 2972 1942-5-18
GH: 00422467 Thlaspi montanum Linnaeus USA: California Hoopa Valley 5 miles south of Hoopa L. Constance & R. C. Rollins 2877 1942-5-11
GH: 00422476 Thlaspi montanum Linnaeus USA: California Klamath River 7 miles northeast of Weitchpec L. Constance & R. C. Rollins 2887 1942-5-12
GH: 00019787 Thlaspi montanum siskiyouense P. K. Holmgren USA: Oregon Kerby Flat at base of Eight Dollar Mountain ... L. Constance & R. C. Rollins 2972 1942-5-18
GH: 00429014 Thysanocarpus curvipes Hooker USA: California Mouth of Bluff Creek, 6 miles northeast of W... L. Constance & R. C. Rollins 2884 1942-5-12
Caesalpiniaceae GH: 01676216 Cercis canadensis Linnaeus USA: California Bluffs at junction of Klamath and Salmon riv... L. Constance & R. C. Rollins 2895 1942-5-12
Caryophyllaceae GH: 01745068 Holosteum umbellatum Linnaeus USA: Idaho North side of Snake River, Upper Sonoran L. Constance & R. C. Rollins A. Br... 990 1935-3-16
GH: 01714817 Paronychia jamesii Torrey & A. Gray USA: Colorado S.W. of Denver, near Mount Morrison L. Constance & R. C. Rollins 1916 1937-6-24
Cornaceae GH: 01845935 Cornus nuttallii Audubon ex Torrey & A. Gray USA: Idaho Middle Fork Clearwater River at 3 Devils Cr.... L. Constance & R. C. Rollins 1091 1935-6-2
Cupressaceae GH: 02106096 Juniperus scopulorum Sargent USA: Colorado bank of Turkey Creek, S. W. of Denver, near ... L. Constance & R. C. Rollins 1933 1937-6-24
Ericaceae GH: 00350884 Arctostaphylos patula Greene USA: California Road to Walker Post Office, 3 miles west of ... L. Constance & R. C. Rollins 2921 1942-5-14
Fabaceae GH: 02047806 Astragalus cusickii A. Gray USA: Idaho south hillside, opposite Willow Creek, 2 mil... L. Constance & R. C. Rollins L. A.... 1587 1936-5-16
GH: 02044096 Astragalus drummondii Douglas ex Hooker USA: Colorado S.W. of Denver, near Mount Morrison L. Constance & R. C. Rollins 1927 1937-6-24
GH: 01884892 Dalea candida Michaux ex Willdenow USA: Colorado S.W. of Denver, near Mount Morrison L. Constance & R. C. Rollins 1926 1937-6-24
GH: 00065874 Lathyrus parkeri H. St. John USA: Idaho near Selway River, below Selway Falls, T31N,... L. Constance & R. C. Rollins 1671 1936-5-31
GH: 00065874 Lathyrus venosus Muhlenberg ex Willdenow USA: Idaho near Selway River, below Selway Falls, T31N,... L. Constance & R. C. Rollins 1671 1936-5-31
GH: 02177574 Lupinus ornatus Douglas ex Lindley USA: Idaho [data not captured] L. Constance & R. C. Rollins 1604 1936-5-18
GH: 02128381 Lupinus sellulus medius (Detling) B. J. Cox USA: Oregon [data not captured] L. Constance & R. C. Rollins 2982 1942-5-18
GH: 02129241 Lupinus wyethii S. Watson USA: Washington [data not captured] L. Constance & R. C. Rollins 1540 1936-5-10
GH: 02131024 Oxytropis lambertii bigelovii A. Gray USA: Colorado near Turkey Creek, Arid Transition, S. W. of... L. Constance & R. C. Rollins 1929 1937-6-24
GH: 02131427 Oxytropis sericea Nuttall USA: Colorado S.W. of Denver, near Mount Morrison L. Constance & R. C. Rollins 1924 1937-6-24
GH: 02131024 Oxytropis sp. USA: Colorado near Turkey Creek, Arid Transition, S. W. of... L. Constance & R. C. Rollins 1929 1937-6-24
GH: 02133614 Psoralidium lanceolatum (Pursh) Rydberg USA: Colorado S.W. of Denver, near Mt. Morrison L. Constance & R. C. Rollins 1907 1937-6-24
GH: 02342864 Trifolium eriocephalum Nuttall USA: Oregon [data not captured] L. Constance & R. C. Rollins 2949 1942-5-16
Geraniaceae GH: 01866054 Geranium richardsonii Fischer & C. A. Meyer USA: Idaho Mouth of Pete King Creek on Lochsa River, Ca... L. Constance & R. C. Rollins 1677 1936-5-31
Lamiaceae GH: 01599414 Monarda pectinata Nuttall USA: Colorado southwest of Denver, near Mount Morrison L. Constance & R. C. Rollins 1911 1937-6-24
Liliaceae GH: 00357390 Erythronium howellii S. Watson USA: California Happy Camp road 9 miles southeast of Takilma L. Constance & R. C. Rollins 2991 1942-5-19
GH: 00368493 Fritillaria pudica (Pursh) Sprengel USA: Idaho north side of Snake River, opposite Clarksto... L. Constance & R. C. Rollins 995 1935-3-23
Limnanthaceae GH: 01181291 Limnanthes douglasii R. Brown USA: California Two miles north of Harris. L. Constance & R. C. Rollins 3000 1942-5-21
GH: 01181296 Limnanthes douglasii R. Brown USA: Oregon [data not captured] L. Constance & R. C. Rollins 2953 1942-5-16
GH: 01181345 Limnanthes gracilis Howell USA: Oregon [data not captured] L. Constance & R. C. Rollins 2989 1942-5-19
Linaceae GH: 02053591 Linum pratense (Norton) Small USA: Colorado Arid Transition, S.W. of Denver, near Mount ... L. Constance & R. C. Rollins 1908 1937-6-24
Malvaceae GH: 00385026 Sidalcea malviflora nana (Jepson) C. L. Hitchcock USA: California Klamath River, 12 miles north of Weitchpec L. Constance & R. C. Rollins 2889 1942-5-12
GH: 02199518 Sphaeralcea coccinea (Nuttall) Rydberg USA: Colorado S. W. of Denver, near Mount Morrison L. Constance & R. C. Rollins 1906 1937-6-24
Nyctaginaceae GH: 00376175 Mirabilis greenei S. Watson USA: California Shasta River 4 miles north of Yreka L. Constance & R. C. Rollins 2929 1942-5-14
Orobanchaceae GH: 01878718 Castilleja pruinosa Fernald USA: California Shasta River 6 miles north of Yreka L. Constance & R. C. Rollins 2935 1942-5-14
Plantaginaceae GH: 01998943 Collinsia rattanii linearis (A. Gray) Newsom USA: Oregon [data not captured] L. Constance & R. C. Rollins 2950 1942-5-16
GH: 01998923 Collinsia rattanii linearis (A. Gray) Newsom USA: California [data not captured] L. Constance & R. C. Rollins 2888 1942-5-12
GH: 02002281 Penstemon attenuatus Douglas ex Lindley USA: Idaho [data not captured] L. Constance & R. C. Rollins 1703 1936-5-31
GH: 02122243 Penstemon roezlii Regel USA: Oregon [data not captured] L. Constance & R. C. Rollins 2947 1942-5-16
GH: 01801003 Penstemon triphyllus Douglas USA: Idaho [data not captured] L. Constance & R. C. Rollins 1716 1936-5-31
GH: 01801521 Penstemon wilcoxii Rydberg USA: Idaho [data not captured] L. Constance & R. C. Rollins 1612 1936-5-31
GH: 01801519 Penstemon wilcoxii Rydberg USA: Idaho [data not captured] L. Constance & R. C. Rollins 1712 1936-5-31
GH: 01801516 Penstemon wilcoxii Rydberg USA: Idaho [data not captured] L. Constance & R. C. Rollins 1612 1936-5-31
GH: 01801515 Penstemon wilcoxii Rydberg USA: Idaho [data not captured] L. Constance & R. C. Rollins 1681 1936-5-31
GH: 01801514 Penstemon wilcoxii Rydberg USA: Idaho [data not captured] L. Constance & R. C. Rollins 1704 1936-5-31
GH: 01801545 Penstemon wilcoxii Rydberg USA: Idaho [data not captured] L. Constance & R. C. Rollins 1704 1936-5-31
Poaceae GH: 00360248 Melica californica Scribner USA: California Shasta River 6 miles north of Yreka. L. Constance & R. C. Rollins 2934 1942-5-14
Polemoniaceae GH: 01105117 Leptosiphon bolanderi (A. Gray) J. M. Porter & L. A. Johnson USA: California [data not captured] L. Constance & R. C. Rollins 3004 1942-5-21
GH: 01105131 Leptosiphon bolanderi (A. Gray) J. M. Porter & L. A. Johnson USA: Oregon [data not captured] L. Constance & R. C. Rollins 2948 1942-5-16
Polygonaceae GH: 01618029 Eriogonum alatum Torrey USA: Colorado S.W. of Denver, near Mount Morrison L. Constance & R. C. Rollins 1920 1937-6-24
Portulacaceae GH: 01858740 Claytonia lanceolata Pursh USA: Idaho summit of Cedar Peak (Moscow Mt.), Canadian ... L. Constance & R. C. Rollins H. F.... 1067 1935-5-18
GH: 00376983 Lewisia cotyledon howellii (S. Watson) Jepson USA: California Mouth of Bluff Creek, 6 miles northeast of W... L. Constance & R. C. Rollins 2885 1942-5-12
Ranunculaceae GH: 01708181 Anemone piperi Britton ex Rydberg USA: Idaho W. slope of Cedar Peak (Moscow Mt.), Canadia... L. Constance & R. C. Rollins 1064 1935-5-18
GH: 01708185 Anemone piperi Britton ex Rydberg USA: Idaho W. slope of Cedar Peak (Moscow Mt.), Canadia... L. Constance & R. C. Rollins 1064 1935-5-18
GH: 00369546 Clematis lasiantha Nuttall USA: California Hoopa Valley 6 miles south of Hoopa L. Constance & R. C. Rollins 2873 1942-5-11
GH: 01657894 Coptis occidentalis (Nuttall) Torrey & A. Gray USA: Idaho W. slope of Cedar Peak (Moscow Mt.) Thatuna ... L. Constance & R. C. Rollins H. F.... 1065 1935-5-18
GH: 01658644 Delphinium carolinianum penardii (Huth) Warnock USA: Colorado southwest of Denver, near Mount Morrison L. Constance & R. C. Rollins 1915 1937-6-24
GH: 01658991 Delphinium geyeri Greene USA: Colorado S.W. of Denver, near Mount Morrison L. Constance & R. C. Rollins 1922 1937-6-24
Rosaceae GH: 01608535 Drymocallis glandulosa (Lindley) Rydberg USA: Idaho Above Meadow Creek, above Selway Falls, Nez ... L. Constance & R. C. Rollins 1636 1936-5-31
GH: 00346682 Prunus subcordata Bentham USA: California Road to Walker Post Office, 3 miles west of ... L. Constance & R. C. Rollins 2922 1942-5-14
GH: 01604274 Rubus deliciosus Torrey USA: Colorado on Turkey Creek; S.W. of Denver, near Mount ... L. Constance & R. C. Rollins 1930 1937-6-24
Saxifragaceae GH: 01735929 Heuchera tenuifolia (Wheelock) Rydberg USA: Idaho Above Selway Falls, Nez Perce National Fores... L. Constance & R. C. Rollins 1637 1936-5-31
GH: 00380312 Ribes lobbii A. Gray USA: California Near summit 8 miles east of Blue Lake L. Constance & R. C. Rollins 2864 1942-5-11
GH: 00381166 Saxifraga mertensiana Bongard USA: California Three miles west of East Fork of Willow Cree... L. Constance & R. C. Rollins 2869 1942-5-11