Displaying 1 - 75 out of 2049 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | ||
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| Mentzelia congesta Nutt. ex Torr. & A.Gray | R. R. Halse 1383 | 11 Jun 1876 | United States of America | California | Mono Co. Inyo National Forest,… | — | 02472003 |
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| Ranunculus alismifolius var. montanus S.Watson | R. R. Halse 1916 | 04 May 1916 | United States of America | Idaho | Elmore Co. Boise National Forest,… | — | 01110990 |
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| Astragalus gilviflorus E.Sheld. | R. R. Halse s.n. | May 1969 | United States of America | South Dakota | Perkins Co. Lemmon | — | 01249751 |
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| Solanum hindsianum Benth. | R. R. Halse s.n. | 26 Feb 1971 | Mexico | Sonora | Puerto Penasco, in a draw… | — | 00854332 |
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| Glycyrrhiza lepidota Pursh | R. R. Halse 205 | 12 Jun 1971 | United States of America | Arizona | Apache Co. Black Rock Canyon,… | — | 2570100 |
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| Dalea candida var. oligophylla (Torr.) Shinners | R. R. Halse 396 | 03 Jul 1971 | United States of America | Arizona | Apache Co. between Beehive Ruins… | — | 01258939 |
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| Humulus lupulus var. neomexicanus A.Nelson & Cockerell | R. R. Halse 481 | 12 Jul 1971 | United States of America | Arizona | Apache Co. Canyon de Chelly… | — | 3883806 |
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| Eriogonum umbellatum var. subaridum S.Stokes | R. R. Halse 522 | 25 Jul 1971 | United States of America | Arizona | Apache Co. on rim area… | — | 03149398 |
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| Eriogonum microthecum var. simpsonii (Benth.) Reveal | R. R. Halse 541 | 25 Jul 1971 | United States of America | Arizona | Apache Co. area between Wheatfields… | — | 3113378 |
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| Eriogonum microthecum var. simpsonii (Benth.) Reveal | R. R. Halse 541 | 25 Jul 1971 | United States of America | Arizona | Apache Co. Canyon del Chelly… | — | 3113381 |
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| Gaura parviflora Douglas ex Lehm. | R. R. Halse 566 | 29 Jul 1971 | United States of America | Arizona | Apache Co. In field by… | — | 3318658 |
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| Nicotiana obtusifolia M.Martens & Galeotti | R. R. Halse 655 | 20 Aug 1971 | United States of America | Arizona | Apache Co. Canyon del Chelly… | — | 1412723 |
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| Echinochloa crus-galli (L.) P.Beauv. | R. R. Halse 673 | 21 Aug 1971 | United States of America | Arizona | Apache Co. Along stream in… | — | 1697836 |
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| Brickellia grandiflora (Hook.) Nutt. | R. R. Halse 683 | 21 Aug 1971 | United States of America | Arizona | Apache Co. canyon sides in… | — | 2028645 |
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| Clematis ligusticifolia Nutt. | R. R. Halse 693 | 24 Aug 1971 | United States of America | Arizona | Apache Co. Near Battle Cove… | — | 2745528 |
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| Atriplex obovata Moq. | R. R. Halse 697 | 25 Aug 1971 | United States of America | Arizona | Apache Co. Canyon de Chelly… | — | 3334640 |
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| Bouteloua curtipendula (Michx.) Torr. | R. R. Halse 711 | 28 Aug 1971 | United States of America | Arizona | Apache Co. Spider Rock Overlook.… | — | 1642933 |
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| Solanum jamesii Torr. | R. R. Halse 724 | 30 Aug 1971 | United States of America | Arizona | Apache Co. Canyon del Chelly… | — | 00823633 |
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| Cymopterus purpurascens (A.Gray) M.E.Jones | R. R. Halse 768 | 29 Mar 1972 | United States of America | Arizona | Apache Co. Canyon del Chelly… | — | 3456905 |
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| Castilleja laxa A.Gray | R. R. Halse s.n. | 22 Apr 1972 | United States of America | Arizona | Santa Cruz Co. Common along… | — | 03258168 |
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| Phragmites australis (Cav.) Trin. ex Steud. | R. R. Halse s.n. | 02 Sep 1972 | United States of America | Arizona | Apache Co. Canyon del Muerto,… | — | 1764647 |
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| Brickellia grandiflora (Hook.) Nutt. | R. R. Halse s.n. | 04 Sep 1972 | United States of America | Arizona | Apache Co. along U. S.… | — | 2028647 |
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| Silene antirrhina L. | R. R. Halse s.n. | 17 Mar 1973 | United States of America | Arizona | Pinal Co. Along U.S. Highway… | — | 3308790 |
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| Silene antirrhina L. | R. R. Halse s.n. | 17 Mar 1973 | United States of America | Arizona | Pinal Co. Along U.S. Hwy.… | — | 3309081 |
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| Penstemon parryi (A.Gray) A.Gray | R. R. Halse s.n. | 29 Mar 1973 | United States of America | Arizona | Pima Co. Picture Rock Pass,… | — | 832026 |
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| Dichelostemma capitatum subsp. pauciflorum (Torr.) Keator | R. R. Halse s.n. | 17 Apr 1973 | United States of America | Arizona | Greenlee Co. Along U.S. Highway… | — | 3775345 |
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| Hedyotis rubra (Cav.) A.Gray | R. R. Halse s.n. | 05 May 1973 | United States of America | Arizona | Cochise Co. along the road… | — | 3491060 |
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| Acacia constricta Benth. | R. R. Halse s.n. | 19 May 1973 | United States of America | Arizona | Pima Co. At the end… | — | 2716276 |
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| Psilostrophe cooperi (A.Gray) Greene | R. R. Halse s.n. | 22 May 1973 | United States of America | Arizona | Pima Co. at the end… | — | 3112284 |
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| Senna covesii (A.Gray) H.S.Irwin & Barneby | R. R. Halse s.n. | 22 May 1973 | United States of America | Arizona | Pima Co. Growing along the… | — | 1581685 |
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| Lupinus brevicaulis S.Watson | R. R. Halse 847 | 22 Jun 1973 | United States of America | Arizona | Apache Co. South rim of… | — | 2588579 |
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| Delphinium scaposum var. scaposum | R. R. Halse 906 | 24 Jun 1973 | United States of America | Arizona | Apache Co. Along the road… | — | 2752004 |
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| Symphoricarpos oreophilus var. oreophilus | R. R. Halse 934 | 25 Jun 1973 | United States of America | Arizona | Apache Co. Upper Canyon del… | — | 2458585 |
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| Orobanche arizonica L.T.Collins | R. R. Halse 897 | 25 Jun 1973 | United States of America | Arizona | Apache Co. on the north… | — | 02705485 |
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| Delphinium scaposum var. scaposum | R. R. Halse 906 | 25 Jun 1973 | United States of America | Arizona | Apache Co. Along the road… | — | 2752015 |
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| Phacelia lutea (Hook. & Arn.) J.T.Howell | R. R. Halse 1014 | 14 Jun 1974 | United States of America | Idaho | Owyhee Co. Edge of Sand… | — | 01056421 |
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| Cleomella hillmanii A.Nelson | R. R. Halse 1021 | 16 Jun 1974 | United States of America | Oregon | Harney Co. Along U.S. Hwy… | — | 242255 |
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| Camissonia tanacetifolia (Torr. & A.Gray) P.H.Raven | R. R. Halse 1026 | 16 Jun 1974 | United States of America | Oregon | Lake Co. Alongside paved road… | — | 00852151 |
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| Phacelia glandulifera Piper | R. R. Halse 1031 | 22 Jun 1974 | United States of America | Nevada | Humboldt Co. Along State Road… | — | 01054745 |
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| Astragalus lentiginosus var. ineptus (A.Gray) M.E.Jones | R. R. Halse 1038 | 23 Jun 1974 | United States of America | Nevada | Mineral Co. Toiyabe National Forest;… | — | 716910 |
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| Galium multiflorum var. multiflorum | R. R. Halse 1033 | 23 Jun 1974 | United States of America | Nevada | Lander Co. Reese River Valley,… | — | 1576652 |
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| Monardella linoides A.Gray subsp. linoides | R. R. Halse 1047 | 24 Jun 1974 | United States of America | California | Inyo Co. Along Big Pine… | — | 3062768 |
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| Eriastrum densifolium (Benth.) H.Mason | R. R. Halse 1045 | 24 Jun 1974 | United States of America | California | Inyo Co. Along State Hwy.… | — | 3280442 |
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| Navarretia breweri (A.Gray) Greene | R. R. Halse 1054 | 26 Jun 1974 | United States of America | California | Lassen Co. Along Lassen County… | — | 3341672 |
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| Phacelia lutea var. glandulifera (Torr. ex S.Watson) Cronquist | R. R. Halse 1055 | 27 Jun 1974 | United States of America | California | Lassen Co. In a road… | — | 01056435 |
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| Delphinium andersonii A.Gray | R. R. Halse 1105 | 09 May 1975 | United States of America | Oregon | Harney Co. 6.1 miles up… | — | 487708 |
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| Ceratocephala testiculata (Crantz) Roth | R. R. Halse 1099 | 09 May 1975 | United States of America | Oregon | Harney Co. West side of… | — | 487715 |
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| Phacelia gymnoclada Torr. ex S.Watson | R. R. Halse 1121 | 16 May 1975 | United States of America | Oregon | Harney Co. Around Cottonwood Creek,… | — | 01052407 |
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| Thelypodium flexuosum B.L.Rob. | R. R. Halse 1122 | 17 May 1975 | United States of America | Oregon | Harney Co. Around Lower Borax… | — | 215492 |
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| Antennaria dimorpha (Nutt.) Torr. & A.Gray | R. R. Halse 1129 | 17 May 1975 | United States of America | Oregon | Harney Co. Along the road… | — | 1889818 |
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| Physaria chambersii Rollins | R. R. Halse 1160 | 24 May 1975 | United States of America | Oregon | Malheur Co. 7.1 miles up… | — | 609868 |
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| Phacelia lutea (Hook. & Arn.) J.T.Howell | R. R. Halse 1150 | 24 May 1975 | United States of America | Oregon | Malheur Co. 2.9 miles south… | — | 01056431 |
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| Erysimum repandum L. | R. R. Halse 1163 | 25 May 1975 | United States of America | Oregon | Malheur Co. 6.3 miles south… | — | 640769 |
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| Penstemon speciosus Douglas | R. R. Halse 1166 | 16 Jun 1975 | United States of America | Oregon | Lake Co. Fort Rock State… | — | 660729 |
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| Penstemon rydbergii A.Nelson | R. R. Halse 1172 | 16 Jun 1975 | United States of America | Oregon | Lake Co. Along U.S. Highway… | — | 640106 |
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| Phoenicaulis cheiranthoides Nutt. ex Torr. & A.Gray | R. R. Halse 1173 | 17 Jun 1975 | United States of America | Oregon | Lake Co. Along State Highway… | — | 640791 |
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| Mimulus nanus var. mephiticus (Greene) D.M.Thomps. | R. R. Halse 1182 | 17 Jun 1975 | United States of America | Nevada | Lander Co. Toiyabe National Forest;… | — | 01246246 |
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| Allium nevadense S.Watson | R. R. Halse 1181 | 17 Jun 1975 | United States of America | Nevada | Lander Co. Reese River Valley,… | — | 03763850 |
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| Allium platycaule S.Watson | R. R. Halse 1176 | 17 Jun 1975 | United States of America | Oregon | Lake Co. Fremont National Forest;… | — | 3772607 |
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| Streptanthus cordatus Nutt. ex Torr. & A.Gray | R. R. Halse 1185 | 18 Jun 1975 | United States of America | Nevada | White Pine Co. 5 miles… | — | 608472 |
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| Lepidium nanum S.Watson | R. R. Halse 1184 | 18 Jun 1975 | United States of America | Nevada | Eureka Co. East side of… | — | 608984 |
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| Camissonia boothii (Douglas ex Lehm.) P.H.Raven | R. R. Halse 1189 | 18 Jun 1975 | United States of America | Nevada | Nye Co. Along U.S. Hwy… | — | 850476 |
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| Ionactis alpina (Nutt.) Greene | R. R. Halse 1186 | 18 Jun 1975 | United States of America | Nevada | White Pine Co. Ca. 5… | — | 1823864 |
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| Penstemon deustus var. suffrutescens L.F.Hend. | R. R. Halse 1196 | 20 Jun 1975 | United States of America | Nevada | Washoe Co. Along an unpaved… | — | 591719 |
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| Phacelia lutea var. mackenzieorum J.W.Grimes & P.L.Packard | R. R. Halse 1195 | 20 Jun 1975 | United States of America | Nevada | Washoe Co. Along State Highway… | — | 01056540 |
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| Mentzelia dispersa S.Watson | R. R. Halse 1199 | 20 Jun 1975 | United States of America | California | Lassen Co. Along Country Road… | — | 02469440 |
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| Wyethia mollis A.Gray | R. R. Halse 1205 | 20 Jun 1975 | United States of America | California | Modoc Co. Modoc National Forest;… | — | 3199310 |
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| Lomatium gormanii (Howell) J.M.Coult. & Rose | R. R. Halse 1285 | 28 Apr 1976 | United States of America | Oregon | Harney Co. East of Burns… | — | 1141598 |
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| Atriplex argentea Nutt. | R. R. Halse 1342 | 22 May 1976 | United States of America | Oregon | Malheur Co. Along the road… | — | 628676 |
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| Euclidium syriacum (L.) R.Br. | R. R. Halse 1349 | 24 May 1976 | United States of America | Idaho | Owyhee Co. Along State Highway… | — | 640770 |
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| Physaria kingii (S.Watson) O'Kane & Al-Shehbaz subsp. kingii | R. R. Halse 1352 | 25 May 1976 | United States of America | Nevada | White Pine Co. Along U.S.… | — | 609016 |
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| Caulanthus crassicaulis var. glaber M.E.Jones | R. R. Halse 1355 | 26 May 1976 | United States of America | Nevada | Lander Co. Along State Highway… | — | 608253 |
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| Physaria chambersii Rollins | R. R. Halse 1353 | 26 May 1976 | United States of America | Nevada | Lander Co. Along State Highway… | — | 640793 |
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| Erysimum capitatum (Douglas ex Hook.) Greene var. capitatum | R. R. Halse 1357 | 26 May 1976 | United States of America | Nevada | Lander Co. Along State Highway… | — | 640764 |
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| Arabis holboellii var. secunda (Howell) Jeps. | R. R. Halse 1356 | 26 May 1976 | United States of America | Nevada | Lander Co. Along State Highway… | — | 639731 |
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