NPWRC :: Wyoming Rare Plant Field Guide Page 1 of2

Northern Prairie Wildlife Research Center

Wyoming Rare Plant Field Guide

Yellowstone Sand Verbena -- Abronia ammophilaAmerican Trailplant -- Adenocaulon bicolorPink Agoseris -- Agoseris lackschewitziiRoss' Bentgrass -- Agrostis rossiaeLarimer Aletes -- Aletes humilisRound-leaved Orchid -- Amerorchis rotundifoliaSweet-flowered Rock Jasmine -- Androsace chamaejasme var. carinataMeadow Pussytoes -- Antennaria arcuataLaramie Columbine -- Aquilegia laramiensisSmall Rock Cress -- Arabis pusillaRed Manzanita -- Arctostaphylos rubraNorthern Arnica -- Arnica lonchophyllaMystery Wormwood -- Artemisia biennis var. diffusaPorter's Sagebrush -- Artemisia porteriDwarf Milkweed -- Asclepias uncialisSoft Aster -- Aster mollisMeadow Milkvetch -- Astragalus diversifolius var. diversifoliusBastard Draba Milkvetch -- Astragalus drabelliformisDubois Milkvetch -- Astragalus gilviflorus var. purpureusHyattville Milkvetch -- Astragalus jejunus var. articulatusStarveling Milkvetch -- Astragalus jejunus var. jejunusPayson's Milkvetch -- Astragalus paysoniiPrecocious Milkvetch -- Astragalus proimanthusUpward-lobe Moonwort -- Botrychium ascendensPrairie Moonwort -- Botrychium campestreFoxtail Sedge -- Carex alopecoideaSeaside Sedge -- Carex incurviformisLivid Sedge -- Carex lividaBlack and Purple Sedge -- Carex luzulina var. atropurpureaCedar Rim Thistle -- Cirsium aridumOwnbey's Thistle -- Cirsium ownbeyiMany-Stemmed Spider-Flower -- Cieome multicaulisOwl Creek Miner's Candle -- Cryptantha subcapitataWilliams' Waferparsnip -- Cymopterus williamsiiClustered Lady's Slipper -- Cypripedium fasciculatumMountain Lady's Slipper -- Cypripedium montanumWyoming Tansymustard -- Descurainia torulosaBoreal Draba -- Draba borealisRockcress Draba -- Draba densifolia var. apiculataComb-Hair Whitlow-Grass -- Draba pectinipilaGiant Helleborine -- Epipactis giganteaDwarf Scouring Rush -- Equisetum scirpoidesWooly Fleabane -- Erigeron lanatusRabbit Buckwheat -- Eriogonum brevicaule var. canumHall's Fescue -- Festuca hallii

http://www.npwrc.usgs.goY/resource/plants/wyplantispecies.htm 3117/2011

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Colorado Butterfly Plant -- Gaura neomexicana ssp. coloradensisNarrowleaf Goldenweed -- Haplopappus macronema var. linearisWeber's Scarlet-Gilia -- Jpomopsis aggregata spp. weberiKirkpatrick's Ipomopsis -- Jpomopsis spicata ssp. robruthiiSidesaddle Bladderpod -- Lesquere/la arenosa var. argillosaKeeled Bladderpod -- Lesquerella carinata var. carinataFremont Bladderpod -- Lesquerella fremontiiLarge-Friuted Bladderpod -- Lesquerella macrocarpaPayson's Bladderpod -- Lesquere/la paysoniiTrailing Clubmoss -- Lycopodium complanatumTreelike Clubmoss -- Lycopodium dendroideumColorado Tansy-Aster -- Machaeranthera coloradoensisMarsh Muhly -- Muhlenbergia glomerataContracted Indian Ricegrass -- Oryzopsis contractaNaked-Stemmed Parrya -- Parrya nudicaulisAlpine Feverfew -- Parthenium alpinumStemless Beardtongue -- Penstemon acaulis var. acaulisCary's Beardtongue -- Penstemon caryiGibben's Beardtongue -- Penstemon gibbensiiOpal Phlox -- Phlox opalensisBeaver Rim Phlox -- Phlox pungensTufted Twinpod -- Physaria condensataDorn's Twinpod -- Physaria dorniiDevil's Gate Twinpod -- Physaria eburnifloraCreeping Twinpod -- Physaria integrifolia var. monticolaRocky Mountain Twinpod -- Physaria saximontana var saximontanaGreenland Primrose -- Primula egaliksensisAbsaroka Goldenweed -- Pyrrocoma carthamoides var. subsquarrosusPersistent Sepal Yellowcress -- Rorippa calycinaNorthern Blackberry -- Rubus arcticus ssp. acaulisMyrtleleaf Willow -- Salix myrtillifolia var. myrtillifoliaAutumn Willow -- Salix serissimaWeber's Saw-Wort -- Saussurea weberiCottongrass Bulrush -- Scirpus cyperinusRolland's Bulrush -- Scirpus rollandiiShoshonea -- Shoshonea pulvinataPale Blue-Eyed Grass -- Sisyrinchium pallidumLaramie False Sagebrush -- Sphaeromeria simplexUte Lady's Tresses -- Spiranthes diluvialisHapeman's Sullivantia -- Sullivantia hapemanii var. hapemaniiGreen River Greenthread -- Thelesperma caespitosumUinta Greenthread -- Thelesperma pubescensNorth Fork Easter Daisy -- Townsendia condensata var. anomalaCedar Mountain Easter Daisy -- Townsendia microcephalaBarneby's Clover -- Trifolium barnebyiDesert Yellowhead -- Yermo xanthocephalus

U.S. Department of the Interior I U.S. Geological SurveyURL: http://www.npwrc.usgs.gov/resource/plants/wyplant/species.htmPage Contact Information: npwrc@usgs.govPage Last Modified: August 3, 2006

http://www.npwrc.usgs.gov/resource/plants/wyplant/species.htm 3117/2011