Displaying 26 - 100 out of 549 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Arabis davidsonii Greene | L. Constance 3707 | 19 Jul 1961 | United States of America | Nevada | Humboldt Co. Open ridge east… | — | 109477 |
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| Keckiella cordifolia (Benth.) Straw | L. Constance 2841 | 17 Jun 1941 | United States of America | California | Ventura Co. North Fork of… | — | 790211 |
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| Silene douglasii Hook. var. douglasii | L. Constance 3706 | 19 Jul 1961 | United States of America | Nevada | Humboldt Co. Open ridge east… | — | 446777 |
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| Penstemon attenuatus Douglas ex Lindl. var. attenuatus | L. Constance 2027 | 22 Jul 1937 | United States of America | Idaho | Nez Perce Co. Canadian, above… | — | 570250 |
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| Penstemon attenuatus Douglas ex Lindl. var. attenuatus | L. Constance 1703 | 31 May 1936 | United States of America | Idaho | Lewis Co. 3 miles east… | — | 570249 |
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| Populus trichocarpa Torr. & A.Gray | L. Constance | 08 Jul 1928 | United States of America | Oregon | Lake Co. Hills E of… | — | 177771 |
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| Penstemon heterophyllus var. purdyi (D.D.Keck) McMinn | L. Constance 676 | 26 May 1934 | United States of America | California | Humboldt Co. South Fork of… | — | 601767 |
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| Penstemon heterophyllus var. purdyi (D.D.Keck) McMinn | L. Constance 2148 | 22 Apr 1938 | United States of America | California | Colusa Co. Above Salt Creek,… | — | 601768 |
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| Penstemon heterophyllus var. purdyi (D.D.Keck) McMinn | L. Constance 2148 | 22 Apr 1938 | United States of America | California | Colusa Co. Above Salt Creek,… | — | 601769 |
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| Penstemon heterophyllus var. purdyi (D.D.Keck) McMinn | L. Constance 2832 | 29 May 1941 | United States of America | California | Sutter Co. Ridges south of… | — | 601770 |
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| Arabis glabra (L.) Bernh. | L. Constance 9529 | 25 Jun 1928 | United States of America | Oregon | Lake Co. S of Gearhart… | — | 112331 |
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| Arabis glabra (L.) Bernh. | L. Constance 9530 | 25 Jun 1928 | United States of America | Oregon | Lake Co. Klamath Falls-Lakeview Highway,… | — | 112332 |
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| Penstemon speciosus Douglas | L. Constance 2331 | 11 Jun 1938 | United States of America | California | Lassen Co. 3.5 miles north… | — | 661010 |
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| Penstemon speciosus Douglas | L. Constance s.n. | 29 Jun 1928 | United States of America | Oregon | Klamath Co. East side of… | — | 660775 |
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| Penstemon speciosus Douglas | L. Constance 2724 | 31 May 1940 | United States of America | Oregon | Baker Co. Above Burnt River,… | — | 660776 |
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| Penstemon speciosus Douglas | L. Constance 1901 | 13 Jun 1937 | United States of America | Washington | Spokane Co. Bank of the… | — | 660697 |
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| Penstemon cinicola D.D.Keck | L. Constance 3460 | 04 Aug 1953 | United States of America | Oregon | Deschutes Co. Newberry Crater, flat… | — | 583885 |
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| Perideridia leptocarpa T.I.Chuang & Constance | L. Constance 3768 | 15 Jun 1966 | United States of America | California | Siskiyou Co. West-facing slope above… | isotype | 406112 |
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| Aquilegia formosa Fisch. ex DC. | L. Constance 3721 | 19 Jul 1961 | United States of America | Nevada | Humboldt Co. Just north of… | — | 485694 |
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| Aquilegia formosa Fisch. ex DC. | L. Constance 9808 | 23 Jun 1928 | United States of America | Oregon | Lake Co. Along a creek… | — | 485763 |
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| Salix hindsiana Benth. | L. Constance 9867 | 09 Jul 1928 | United States of America | Oregon | Lake Co. Along an irrigation… | — | 187519 |
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| Mentzelia laevicaulis (Douglas ex Hook.) Torr. & A.Gray var. laevicaulis | L. Constance 2444 | 10 Aug 1938 | United States of America | California | Mono Co. Near Fales Hot… | — | 492613 |
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| Penstemon serrulatus Menzies ex Rees | L. Constance 2779 | 16 Jun 1940 | United States of America | Oregon | Clackamas Co. South side of… | — | 652287 |
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| Penstemon pennellianus D.D.Keck | L. Constance 1165 | 19 Jul 1935 | United States of America | Washington | Columbia Co. Godman Springs, Blue… | — | 630179 |
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| Penstemon pennellianus D.D.Keck | L. Constance 1745 | 13 Jun 1936 | United States of America | Washington | Garfield Co. Near Clearwater Ranger… | — | 630180 |
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| Eucephalus vialis Bradshaw | L. Constance 951 | 09 Jul 1934 | United States of America | Oregon | Lane Co. On Lorane Highway,… | — | 30877 |
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| Penstemon heterophyllus Lindl. var. heterophyllus | L. Constance 2245 | 23 May 1938 | United States of America | California | San Benito Co. On Tres… | — | 601681 |
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| Penstemon grinnellii var. scrophularioides (M.E.Jones) N.H.Holmgren | L. Constance 2247 | 23 May 1938 | United States of America | California | San Benito Co. Canyon of… | — | 601231 |
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| Thelypodium laciniatum (Hook.) Endl. | L. Constance 3728 | 20 Jul 1961 | United States of America | Nevada | Humboldt Co. Granite cliffs just… | — | 215642 |
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| Penstemon venustus Douglas ex Lindl. | L. Constance 1206 | 19 Jul 1935 | United States of America | Washington | Columbia Co. Godman Springs, Blue… | — | 762968 |
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| Penstemon venustus Douglas ex Lindl. | L. Constance 1206 | 19 Jul 1935 | United States of America | Washington | Columbia Co. Godman Springs, Blue… | — | 762969 |
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| Eatonella congdonii A.Gray | L. Constance 2098 | 10 Apr 1938 | United States of America | California | Fresno Co. 12 miles northeast… | — | 31168 |
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| Penstemon fruticosus var. scouleri (Lindl.) Cronquist | L. Constance 1844 | 23 May 1937 | United States of America | Washington | Ferry Co. Granitic ledges of… | — | 594708 |
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| Phacelia stebbinsii Constance & Heckard | L. Constance 3869 | 29 Jun 1969 | United States of America | California | El Dorado Co. Silver Creek… | isotype | 83874 |
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| Mirabilis macfarlanei Constance & Rollins | L. Constance 1579 | 15 May 1936 | United States of America | Oregon | Wallowa Co. Lower Cottonwood Landing,… | isotype | 342053 |
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| Brodiaea elegans Hoover | L. Constance 2289 | 08 Jun 1938 | United States of America | California | Nevada Co. 3 miles north… | isotype | 114958 |
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| Penstemon humilis A.Gray var. humilis | L. Constance 2713 | 30 May 1940 | United States of America | Oregon | Wheeler Co. 7 miles north… | — | 603814 |
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| Penstemon humilis A.Gray var. humilis | L. Constance 2716 | 31 May 1940 | United States of America | Oregon | Grant Co. 5 miles northeast… | — | 603815 |
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| Thlaspi montanum var. siskiyouense P.K.Holmgren | L. Constance 2972 | 18 May 1942 | United States of America | Oregon | Josephine Co. Klamath-Siskiyou region. Kerby… | isotype | 185798 |
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| Penstemon deustus var. suffrutescens L.F.Hend. | L. Constance 2294 | 08 Jun 1938 | United States of America | California | Sierra Co. Junction of North… | — | 609824 |
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| Penstemon richardsonii var. curtiflorus (D.D.Keck) Cronquist | L. Constance 2705 | 30 May 1940 | United States of America | Oregon | Gilliam Co. Five miles south… | — | 641305 |
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| Penstemon richardsonii subsp. curtiflorus D.D.Keck | L. Constance 2705 | 30 May 1940 | United States of America | Oregon | Gilliam Co. Five miles south… | isotype | 641306 |
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| Penstemon laetus var. leptosepalus Greene ex A.Gray | L. Constance 2290 | 08 Jun 1938 | United States of America | California | Nevada Co. 2 miles north… | — | 604499 |
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| Penstemon peckii Pennell | L. Constance 3458 | 03 Aug 1953 | United States of America | Oregon | Deschutes Co. Near Black Butte,… | — | 630171 |
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| Penstemon roezlii Regel | L. Constance 9922 | 08 Jul 1928 | United States of America | Oregon | Lake Co. East of Lakeview | — | 650084 |
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| Penstemon roezlii Regel | L. Constance 9923 | 02 Jul 1928 | United States of America | Oregon | Klamath Co. Highway near Keno | — | 650085 |
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| Penstemon roezlii Regel | L. Constance 2947 | 16 May 1942 | United States of America | Oregon | Josephine Co. South base of… | — | 650086 |
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| Penstemon roezlii Regel | L. Constance 2947 | 16 May 1942 | United States of America | Oregon | Josephine Co. South base of… | — | 650087 |
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| Penstemon roezlii Regel | L. Constance 2335 | 12 Jun 1938 | United States of America | California | Modoc Co. Open flat near… | — | 650132 |
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| Ranunculus occidentalis var. dissectus L.F.Hend. | L. Constance 9821 | 19 Jun 1928 | United States of America | Oregon | Lake Co. Paulina Marsh | — | 494766 |
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| Penstemon virgatus var. asa-grayi (Crosswh.) Dorn | L. Constance 1931 | 24 Jun 1937 | United States of America | Colorado | Jefferson Co. Turkey Creek canyon… | — | 763291 |
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| Thelypodium howellii S.Watson subsp. howellii | L. Constance 9541 | 23 Jun 1928 | United States of America | Oregon | Lake Co. 1/2 mile from… | — | 215473 |
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| Penstemon rydbergii var. oreocharis (Greene) N.H.Holmgren | L. Constance 2322 | 10 Jun 1938 | United States of America | California | Lassen Co. 1.5 miles northeast… | — | 651296 |
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| Perideridia gairdneri subsp. borealis T.I.Chuang & Constance | L. Constance 3262 | 04 Aug 1948 | United States of America | Oregon | Multnomah Co. Sauvies Island, 3.5… | isotype | 406111 |
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| Arabis platysperma A.Gray | L. Constance 2449 | 10 Aug 1938 | United States of America | California | Mono Co. 0.2 miles E… | — | 114710 |
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| Arabis macdonaldiana Eastw. subsp. macdonaldiana | L. Constance 3002 | 21 May 1942 | United States of America | California | Mendocino Co. "Big" Red Mountain,… | — | 24439 |
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| Penstemon rostriflorus Kellogg | L. Constance 2402 | 06 Aug 1938 | United States of America | California | Alpine Co. Above Deadman Creek… | — | 650655 |
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| Penstemon rostriflorus Kellogg | L. Constance 2425 | 07 Aug 1938 | United States of America | California | Mono Co. Above Twin Lakes… | — | 650656 |
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| Penstemon wilcoxii Rydb. | L. Constance 1704 | 31 May 1936 | United States of America | Idaho | Lewis Co. 3 miles east… | — | 772144 |
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| Penstemon globosus (Piper) Pennell & D.D.Keck | L. Constance 1345 | 03 Aug 1935 | United States of America | Oregon | Wallowa Co. West end of… | — | 600614 |
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| Penstemon globosus (Piper) Pennell & D.D.Keck | L. Constance 1962 | 05 Jul 1937 | United States of America | Idaho | Valley Co. Brundage Mountain | — | 600375 |
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| Astragalus canadensis var. brevidens (Gand.) Barneby | L. Constance 2447 | 10 Aug 1938 | United States of America | California | Mono Co. Near Fales Hot… | — | 797388 |
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| Astragalus canadensis var. brevidens (Gand.) Barneby | L. Constance 2447 | 10 Aug 1938 | United States of America | California | Mono Co. Near Fales Hot… | — | 797387 |
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| Eriogonum caespitosum Nutt. | L. Constance 3715 | 19 Jul 1961 | United States of America | Nevada | Humboldt Co. Open ridge east… | — | 242734 |
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| Eriogonum microthecum var. laxiflorum Hook. | L. Constance 3717 | 19 Jul 1961 | United States of America | Nevada | Humboldt Co. Open ridge east… | — | 282141 |
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| Eriogonum umbellatum var. aureum (Gand.) Reveal | L. Constance 3713 | 19 Jul 1961 | United States of America | Nevada | Humboldt Co. Open ridge east… | — | 283477 |
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| Penstemon cardwellii Howell | L. Constance 2655 | 21 May 1940 | United States of America | Oregon | Tillamook Co. Summit of Mount… | — | 573043 |
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| Perideridia bacigalupii T.I.Chuang & Constance | L. Constance 3761 | 07 Sep 1965 | United States of America | California | Nevada Co. Above Rush Creek,… | isotype | 406110 |
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| Cardamine constancei Detling | L. Constance 1108 | 02 Jun 1935 | United States of America | Idaho | Idaho Co. 4 miles below… | isotype | 172713 |
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| Keckiella breviflora var. glabrisepala (D.D.Keck) N.H.Holmgren | L. Constance 2379 | 30 Jun 1938 | United States of America | California | Madera Co. 1 mile southeast… | — | 790187 |
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| Heuchera cylindrica Douglas ex Hook. | L. Constance 3746 | 20 Jul 1961 | United States of America | Nevada | Humboldt Co. Between Hinkey Summit… | — | 541302 |
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| Psorothamnus kingii (S.Watson) Barneby | L. Constance 3694 | 18 Jul 1961 | United States of America | Nevada | Humboldt Co. Open sand dunes… | — | 802619 | ||
| Astragalus curvicarpus (A.Heller) J.F.Macbr. var. curvicarpus | L. Constance 9612 | 22 Jun 1928 | United States of America | Oregon | Lake Co. Fort Bidwell Road,… | — | 803193 |
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| Astragalus filipes Torr. ex A.Gray | L. Constance 3710 | 19 Jul 1961 | United States of America | Nevada | Humboldt Co. Open ridge east… | — | 813023 |
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| Camissonia cheiranthifolia (Hornem. ex Spreng.) Raim. subsp. cheiranthifolia | L. Constance 2626 | 19 May 1940 | United States of America | Oregon | Curry Co. Mouth of Pistol… | — | 679554 |
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