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Wyoming Rare Plant Field Guide

Bureau of Land Management Rare Plant List


Rare Plants of the Rock Springs District

Scientific Name Distribution by Resource Area
Common Name G K P
Antennaria arcuata X    
Meadow Pussytoes
Arabis pusilla X    
Small Rock Cress
Artemisia biennis var. diffusa X    
Mystery Wormwood
Asclepias uncialis X?    
Dwarf Milkweed
Astragalus drabelliformis     X
Bastard Draba Milkvetch
Astragalus jejunus var. jejunus X X  
Starveling Milkvetch
Astragalus proimanthus X    
Precocious Milkvetch
Cirsium aridum X    
Cedar Rim Thistle
[C. sp. nov.]
Cirsium ownbeyi     X
Ownbey's Thistle
Descurainia torulosa X    
Wyoming Tansymustard
Lesquerella macrocarpa X X  
Large-Friuted Bladderpod
Lesquerella paysonii     X
Payson's Bladderpod
Muhlenbergia glomerata     X?
Marsh Muhly
Oryzopsis contracta X X X
Contracted Indian Ricegrass
[O. hymenoides var. c. ]
Penstemon acaulis var. acaulis X    
Stemless Beardtongue
Phlox opalensis X X  
  Opal Phlox
[P. sp. nov]
Physaria condensata X? X X
Tufted Twinpod
Physaria dornii   X  
Dorn's Twinpod
Physaria integrifolia var. monticola   X  
Creeping Twinpod
Thelesperma caespitosum X    
Green River Greenthread
[T. subnudum var. c.]
Thelesperma pubescens X    
Uinta Greenthread
Townsendia microcephala X    
Cedar Mountain Easter Daisy
[T. sp. nov.]

Code:

G = Green River; K = Kemmerer; P = Pinedale. X = Present on Resource Area; X? = may occur on Resource Area.
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