Displaying 1 - 75 out of 549 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Calliandra californica Benth. | L. Constance 3123 | 7 Feb 1947 | Mexico | Baja California | Ensenada Mun. 3 mi SE… | — | 548428 |
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| Ebenopsis confinis (Standl.) Barneby & J.W.Grimes | L. Constance 3141 | 13 Feb 1947 | Mexico | Baja California Sur | Comondu, Arroyo de Cadeje, at… | — | 549207 |
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| Senna confinis (Greene) H.S.Irwin & Barneby | L. Constance 3138 | 11 Feb 1947 | Mexico | Baja California Sur | Immediately east of San Ignacio,… | — | 554856 |
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| Ebenopsis confinis (Standl.) Barneby & J.W.Grimes | L. Constance 3141 | 13 Feb 1947 | Mexico | Baja California Sur | Comondu, Arroyo de Cadeje, at… | — | 549180 |
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| Lomatium ravenii Mathias & Constance | L. Constance 3672 | 14 Jun 1959 | United States of America | California | Lassen Co. One mile south… | isotype | 406056 |
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| Sphaeralcea ambigua A.Gray | L. Constance 2427 | 08 Aug 1938 | United States of America | California | Inyo Co. Bishop Creek Canyon… | — | 77156 |
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| Penstemon centranthifolius (Benth.) Benth. | L. Constance 2189 | 01 May 1938 | United States of America | California | Glenn Co. Above Stony Creek,… | — | 583789 |
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| Penstemon centranthifolius (Benth.) Benth. | L. Constance 2246 | 23 May 1938 | United States of America | California | San Benito Co. Canyon of… | — | 583790 |
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| Penstemon azureus var. angustissimus A.Gray | L. Constance 2375 | 30 Jun 1938 | United States of America | California | Madera Co. Fresno Flats on… | — | 571134 |
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| Argemone munita subsp. rotundata (Rydb.) G.B.Ownbey | L. Constance 2445 | 10 Aug 1938 | United States of America | California | Mono Co. Near Fales Hot… | — | 499944 |
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| Argemone munita subsp. rotundata (Rydb.) G.B.Ownbey | L. Constance 2445 | 10 Aug 1938 | United States of America | California | Mono Co. Near Fales Hot… | — | 499949 |
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| Penstemon gracilentus A.Gray | L. Constance 2314 | 10 Jun 1938 | United States of America | California | Plumas Co. West edge of… | — | 600720 |
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| Phacelia argentea A.Nelson & J.F.Macbr. | L. Constance 2622 | 18 May 1940 | United States of America | California | Del Norte Co. Near Lake… | — | 38075 |
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| Arabis suffrutescens var. perstylosa Rollins | L. Constance 2309 | 09 Jun 1938 | United States of America | California | Plumas Co. Above the Middle… | isotype | 172665 |
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| Lomatium stebbinsii Schlessman & Constance | L. Constance 3895 | 26 May 1978 | United States of America | California | Tuolumne Co. 4 miles east… | isotype | 406058 |
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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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| 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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| 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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| 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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| 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 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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| 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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| 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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| 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 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 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 roezlii Regel | L. Constance 2335 | 12 Jun 1938 | United States of America | California | Modoc Co. Open flat near… | — | 650132 |
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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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| 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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| 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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| 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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| 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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| Solanum umbelliferum Eschsch. | L. Constance 2039 | 27 Mar 1938 | United States of America | California | Napa Co. In the Howell… | — | 820561 |
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| Chamaebatiaria millefolium (Torr.) Maxim. | L. Constance 2433 | 08 Aug 1938 | United States of America | California | Inyo Co. Above Lake Sabrina,… | — | 758644 |
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| Leptosiphon pachyphyllus (R.Patt.) J.M.Porter & L.A.Johnson | L. Constance 2423 | 07 Aug 1938 | United States of America | California | Mono Co. Across road from… | — | 1012231 |
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| Leptosiphon pachyphyllus (R.Patt.) J.M.Porter & L.A.Johnson | L. Constance 2423 | 07 Aug 1938 | United States of America | California | Mono Co. Across road from… | — | 1012285 |
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| Phacelia peirsoniana J.T.Howell | L. Constance 3429 | 02 Jul 1952 | United States of America | California | Mono Co. Sherwin Hill grade,… | — | 1052233 |
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| Phacelia lutea var. glandulifera (Torr. ex S.Watson) Cronquist | L. Constance 2329 | 11 Jun 1938 | United States of America | California | Lassen Co. Throughout the Madeline… | — | 1056456 |
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| Phacelia inyoensis (J.F.Macbr.) J.T.Howell | L. Constance 3432 | 03 Jul 1952 | United States of America | California | Mono Co. Watterson Meadow, west… | — | 1056725 |
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| Phacelia tetramera J.T.Howell | L. Constance 3433 | 03 Jul 1952 | United States of America | California | Mono Co. Watterson Meadow, west… | — | 1056747 |
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| Osmorhiza chilensis Hook. & Arn. | L. Constance 3103 | 04 Jul 1946 | United States of America | California | Modoc Co. Deep Creek 3.4… | — | 1101674 |
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| Osmorhiza depauperata Phil. | L. Constance 3104 | 04 Jul 1946 | United States of America | California | Modoc Co. Deep Creek 3.4… | — | 1101728 |
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| Hackelia micrantha (Eastw.) J.L.Gentry | L. Constance 2415 | 07 Aug 1938 | United States of America | California | Mono Co. 4 miles southwest… | — | 1156225 |
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| Lomatium nevadense (S.Watson) J.M.Coult. & Rose var. nevadense | L. Constance 3747 | 16 Apr 1962 | United States of America | California | Lassen Co. 1 mile S… | — | 1194358 |
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| Lomatium observatorium Constance & Ertter | L. Constance 3902 | 23 May 1993 | United States of America | California | Santa Clara Co. San Antonio… | isotype | 1186088 |
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| Astragalus didymocarpus Hook. & Arn. var. didymocarpus | L. Constance 2805 | 14 Apr 1941 | United States of America | California | Fresno Co. Anticline Ridge, 5.7… | — | 1248426 |
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| Astragalus gambelianus E.Sheld. | L. Constance 2572 | 27 Apr 1940 | United States of America | California | Contra Costa Co. Pine Canyon,… | — | 1249562 |
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| Astragalus oxyphysus A.Gray | L. Constance 2100 | 10 Apr 1938 | United States of America | California | Fresno Co. Open flats of… | — | 1246014 |
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| Astragalus gambelianus E.Sheld. | L. Constance 2572 | 27 Apr 1940 | United States of America | California | Contra Costa Co. Pine Canyon,… | — | 1249595 |
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| Astragalus oxyphysus A.Gray | L. Constance 2100 | 10 Apr 1938 | United States of America | California | Fresno Co. The San Joaquin… | — | 1246076 |
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| Mimulus nanus var. mephiticus (Greene) D.M.Thomps. | L. Constance 2414 | 07 Aug 1938 | United States of America | California | Mono Co. 20 mi south… | — | 1246220 |
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| Mimulus nanus var. mephiticus (Greene) D.M.Thomps. | L. Constance 2414 | 07 Aug 1938 | United States of America | California | Mono Co. 20 mi south… | — | 1246221 |
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| Astragalus lentiginosus var. fremontii (A.Gray ex Torr.) S.Watson | L. Constance 2112 | 15 Apr 1938 | United States of America | California | San Bernardino Co. 3 miles… | — | 1259822 |
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| Astragalus lentiginosus var. fremontii (A.Gray ex Torr.) S.Watson | L. Constance 2097 | 10 Apr 1938 | United States of America | California | Fresno Co. Anticline Ridge, 5… | — | 1259823 |
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| Astragalus lentiginosus var. nigricalycis M.E.Jones | L. Constance 2097 | 10 Apr 1938 | United States of America | California | Fresno Co. Anticline Ridge, 5… | — | 1260423 |
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| Astragalus lentiginosus var. variabilis Barneby | L. Constance 2112 | 15 Apr 1938 | United States of America | California | San Bernardino Co. 3 miles… | — | 1260797 |
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| Astragalus pycnostachyus A.Gray var. pycnostachyus | L. Constance 2523 | 15 Jul 1939 | United States of America | California | Marin Co. Salt Marsh on… | — | 1265561 |
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| Downingia insignis Greene | L. Constance 2328 | 11 Jun 1938 | United States of America | California | Lassen Co. Over-flow of the… | — | 1576332 |
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| Encelia frutescens var. actonii (Elmer) S.F.Blake | L. Constance 2428 | 08 Aug 1938 | United States of America | California | Inyo Co. Bishop Creek Canyon… | — | 1739097 |
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| Symphyotrichum ascendens (Lindl.) G.L.Nesom | L. Constance 2438 | 09 Aug 1938 | United States of America | California | Mono Co. South end of… | — | 1832590 |
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| Arnica chamissonis Less. | L. Constance 2437 | 09 Aug 1938 | United States of America | California | Mono Co. Wet meadow at… | — | 1870718 |
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| Cirsium andersonii (A.Gray) Petr. | L. Constance 2454 | 10 Aug 1938 | United States of America | California | Mono Co. 0.2 miles E… | — | 2042012 |
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| Cirsium occidentale (Nutt.) Jeps. var. occidentale | L. Constance 2813 | 09 May 1941 | United States of America | California | Marin Co. 1.6 miles north… | — | 2052598 |
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| Erigeron breweri var. breweri | L. Constance 2468 | 06 Aug 1938 | United States of America | California | Tuolumne Co. Sierra Nevada, 2.2… | — | 2077954 |
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| Erigeron breweri var. porphyreticus (M.E.Jones) Cronquist | L. Constance 2430 | 08 Aug 1938 | United States of America | California | Inyo Co. Sierra Nevada, Bishop… | — | 2078014 |
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| Erigeron foliosus var. covillei (Greene) Compton | L. Constance 2430 | 08 Aug 1938 | United States of America | California | Inyo Co. Bishop Creek Canyon… | — | 2089303 |
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| Erigeron foliosus var. hartwegi (Greene) Jeps. | L. Constance 2896 | 12 May 1942 | United States of America | California | Humboldt Co. Klamath-Siskiyou Region; bluffs… | — | 2089357 |
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