Displaying 51 - 107 out of 107 Object(s)
| Taxon | Collector | Date | Country | State/Province | Locality | Type Status | Barcode | Notice | ||
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| Asclepias cryptoceras subsp. davisii (Woodson) Woodson | N. H. Holmgren | P. K. Holmgren 8872 | 06 Jun 1978 | United States of America | Oregon | Malheur Co. North Fork Malheur… | — |
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| Asclepias cryptoceras S.Watson subsp. cryptoceras | N. H. Holmgren | P. K. Holmgren 13475 | 26 May 1999 | United States of America | Utah | Emery Co. San Rafael Swell,… | — |
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| Asclepias cryptoceras S.Watson subsp. cryptoceras | N. H. Holmgren | P. K. Holmgren 13228 | 23 Jun 1998 | United States of America | Utah | Emery Co. West Tavaputs Plateau… | — |
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| Asclepias labriformis M.E.Jones | N. H. Holmgren | P. K. Holmgren 5200 | 13 Jun 1971 | United States of America | Utah | Uintah Co. 11.8 miles east-northeast… | — |
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| Asclepias labriformis M.E.Jones | N. H. Holmgren | P. K. Holmgren 8405 | 11 Jun 1977 | United States of America | Utah | Garfield Co. Water Pocket Fold… | — |
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| Asclepias labriformis M.E.Jones | N. H. Holmgren | P. K. Holmgren 11558 | 19 Jun 1991 | United States of America | Utah | Garfield Co. Waterpocket Fold, 10.1… | — |
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| Asclepias cryptoceras S.Watson subsp. cryptoceras | N. H. Holmgren | P. K. Holmgren | R. C. Barneby 8752 | 25 May 1978 | United States of America | Utah | Uintah Co. Uinta Basin, Utah… | — |
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| Asclepias cryptoceras S.Watson subsp. cryptoceras | N. H. Holmgren | P. K. Holmgren 5050 | 06 Jun 1971 | United States of America | Utah | Daggett Co. Utah Highway 44,… | — |
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| Asclepias cryptoceras S.Watson subsp. cryptoceras | N. H. Holmgren | P. K. Holmgren 5119 | 09 Jun 1971 | United States of America | Utah | Uintah Co. Uinta Mountains, Utah… | — |
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| Asclepias cryptoceras subsp. davisii (Woodson) Woodson | N. H. Holmgren | P. K. Holmgren 8227 | 22 Jun 1976 | United States of America | Nevada | Nye Co. White River Valley,… | — |
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| Asclepias cryptoceras subsp. davisii (Woodson) Woodson | N. H. Holmgren | P. K. Holmgren 8969 | 17 Jun 1978 | United States of America | Nevada | Eureka Co. Antelope Valley, U.S.… | — |
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| Asclepias cryptoceras subsp. davisii (Woodson) Woodson | N. H. Holmgren | P. K. Holmgren | S. Keller 10544 | 26 Jun 1984 | United States of America | Nevada | Lander Co. Shoshone Range, road… | — |
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| Asclepias asperula (Decne.) Woodson | N. H. Holmgren | P. K. Holmgren 4424 | 15 Jul 1970 | United States of America | Utah | Beaver Co. Wah Wah Mountains,… | — |
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| Asclepias asperula (Decne.) Woodson | N. H. Holmgren | P. K. Holmgren 3726 | 13 Jul 1969 | United States of America | Utah | Beaver Co. Wah Wah Mountains,… | — |
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| Lycium barbarum L. | N. H. Holmgren | P. K. Holmgren 12810 | 14 Jun 1997 | United States of America | Utah | San Juan Co. Slickhorn Gulch… | — |
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| Chamaesaracha coronopus (Dunal) A.Gray | N. H. Holmgren | P. K. Holmgren | A. Zwinger 11862 | 08 Jun 1993 | United States of America | Utah | San Juan Co. San Juan… | — |
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| Chamaesaracha coronopus (Dunal) A.Gray | N. H. Holmgren | P. K. Holmgren 11460 | 10 Jun 1991 | United States of America | Utah | San Juan Co. San Juan… | — |
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| Leucophysalis nana (A.Gray) Averett | N. H. Holmgren | P. K. Holmgren 5694 | 28 May 1972 | United States of America | Nevada | Douglas Co. Pine Nut Mountains,… | — |
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| Leucophysalis nana (A.Gray) Averett | N. H. Holmgren | P. K. Holmgren 9510 | 04 Jul 1980 | United States of America | California | Lassen Co. Observation Peak, south… | — |
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| Polemonium occidentale Greene | N. H. Holmgren | P. K. Holmgren 13959 | 02 Jul 2000 | United States of America | Idaho | Caribou Co. Wooley Range, along… | — |
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| Racomitrium varium (Mitt.) A.Jaeger | P. K. Holmgren 708 | 20 Feb 1965 | United States of America | Washington | King Co. 1 mi W… | — | ||||
| Racomitrium varium (Mitt.) A.Jaeger | P. K. Holmgren 40 | 26 May 1963 | United States of America | Washington | Clallam Co. 5 miles W… | — | ||||
| Colpomenia sinuosa (Mertens ex Roth) Derbès & Solier | P. K. Holmgren 19 | 12 May 1963 | United States of America | Georgia | Decatur Co. Bainbridge Island, Decatur… | — |
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| Laminaria | P. K. Holmgren 23 | 12 May 1963 | United States of America | Georgia | Decatur Co. Bainbridge Island, Decatur… | — |
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| Rorippa curvisiliqua (Hook.) Bessey var. curvisiliqua | P. K. Holmgren 500 | 23 May 1964 | United States of America | Washington | Chelan Co. Junction Highway 2… | — |
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| Rumex salicifolius var. mexicanus (Meisn.) C.L.Hitchc. | P. K. Holmgren 7288 | 19 Aug 1973 | United States of America | New Mexico | Taos Co. Cerros de Taos,… | — |
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| Salix sitchensis Sanson ex Bong. | P. K. Holmgren 730 | 09 May 1965 | United States of America | Washington | Snohomish Co. Along road from… | — |
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| Arcyria | P. K. Holmgren s.n. | s.d. | United States of America | Washington | King Co. near Durvall | — | ||||
| Ceratiomyxa | P. K. Holmgren s.n. | s.d. | United States of America | Washington | King Co. near Duvall | — | ||||
| Thlaspi montanum L. var. montanum | P. K. Holmgren 856 | Jun 1968 | United States of America | Arizona | Coconino Co. South Rim of… | — |
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| Thlaspi montanum L. var. montanum | P. K. Holmgren 856 | 20 Mar 1968 | United States of America | Arizona | Coconino Co. South Rim of… | — |
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| Myriopteris gracillima D.C. Eaton | P. K. Holmgren 509 | 23 May 1964 | United States of America | Washington | Chelan Co. Icicle Canyon, on… | — |
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| Scytosiphon lomentaria (Lyngb.) Link | P. K. Holmgren 28 | 12 May 1963 | United States of America | Washington | Bainvridge Island, Decatur Reef | — |
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| Costaria costata (C.Agardh) D.A.Saunders | P. K. Holmgren 33 | 12 May 1963 | United States of America | Washington | Bainbridge Island | — |
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| Petalonia | P. K. Holmgren 14 | 26 Apr 1963 | United States of America | Washington | Seattle, Puget Sound, Golden Gardens | — |
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| Fucus | P. K. Holmgren 18 | 12 May 1963 | United States of America | Washington | Bainbridge Island, Decatur Reef | — |
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| Homalothecium lutescens subsp. fulgescens (Mitt. ex Müll.Hal.) Heike Hofmann | P. K. Holmgren 678 | 05 Feb 1965 | United States of America | Washington | King Co. East of Cottage… | — | ||||
| Leucophysalis nana (A.Gray) Averett | N. H. Holmgren | P. K. Holmgren 8936 | 12 Jun 1978 | United States of America | California | Lassen Co. 0.8 km (0.5… | — |
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| Asclepias ruthiae Maguire | N. H. Holmgren | P. K. Holmgren | R. C. Barneby 9113 | 21 May 1979 | United States of America | Utah | Wayne Co. Utah Highway 24,… | — |
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| Asclepias ruthiae Maguire | N. H. Holmgren | P. K. Holmgren | R. C. Barneby 8780 | 27 May 1978 | United States of America | Utah | Emery Co. San Rafael Swell,… | — |
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| Asclepias ruthiae Maguire | N. H. Holmgren | P. K. Holmgren 11706 | 01 Jun 1992 | United States of America | Utah | Emery Co. San Rafael Desert,… | — |
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| Asclepias eastwoodiana Barneby | N. H. Holmgren | P. K. Holmgren 12338 | 25 May 1995 | United States of America | Nevada | Nye Co. Railroad Valley, the… | — |
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| Asclepias eastwoodiana Barneby | N. H. Holmgren | P. K. Holmgren 8959 | 15 Jun 1978 | United States of America | Nevada | Nye Co. Southern Toquima Range,… | — |
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| Asclepias eastwoodiana Barneby | N. H. Holmgren | P. K. Holmgren 8955 | 15 Jun 1978 | United States of America | Nevada | Nye Co. Ralston Valley, at… | — |
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| Asclepias eastwoodiana Barneby | N. H. Holmgren | P. K. Holmgren 8954 | 14 Jun 1978 | United States of America | Nevada | Lander Co. Reese River Valley,… | — |
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| Costaria costata (C.Agardh) D.A.Saunders | P. K. Holmgren 81 | 26 May 1963 | United States of America | Washington | Clallam Co. Olympic Peninsula, Makah… | — |
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| Egregia menziesii (W.B.Turner) Aresch. | P. K. Holmgren 175 | 16 Nov 1963 | United States of America | Washington | Island Co. Whidbey Island, West… | — |
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| Macrocystis integrifolia Bory | P. K. Holmgren 80 | 26 May 1963 | United States of America | Washington | Clallam Co. Olympic Peninsula, Makkah… | — |
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| Macrocystis integrifolia Bory | P. K. Holmgren 79 | 26 May 1963 | United States of America | Washington | Clallam Co. Olympic Peninsula, Makkah… | — |
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| Pelvetiopsis limitata (Setch.) N.L.Gardner | P. K. Holmgren 58 | 26 May 1963 | United States of America | Washington | Clallam Co. Olympic Peninsula, Makah… | — |
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| Scytosiphon lomentaria (Lyngb.) Link | P. K. Holmgren 42 | 26 May 1963 | United States of America | Washington | Clallam County, Makah Bay | — |
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| Corallina | P. K. Holmgren 117 | 26 May 1963 | United States of America | Washington | Clallam Co. Olympic Peninsula, Makah… | — |
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| Corallina | P. K. Holmgren 116 | 26 May 1963 | United States of America | Washington | Clallam Co. Olympic Peninsula, Makah… | — |
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| Corallina vancouveriensis Yendo | P. K. Holmgren 118 | 26 May 1963 | United States of America | Washington | Clallam Co. Olympic Peninsula, Makah… | — |
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| Desmarestia ligulata (Stackh.) J.V.Lamour. | P. K. Holmgren 43 | 26 May 1963 | United States of America | Washington | Clallam Co. Makah Bay | — |
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| Asclepias macrosperma Eastw. ex Vail | N. H. Holmgren | P. K. Holmgren | A. Zwinger 11858 | 08 Jun 1993 | United States of America | Utah | San Juan Co. San Juan… | — |
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| Asclepias labriformis M.E.Jones | N. H. Holmgren | P. K. Holmgren | C. Sue Keller 10912 | 24 Jun 1985 | United States of America | Utah | Garfield Co. Along the Burr… | — |
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