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Wyoming Rare Plant Field Guide

United States Forest Service Rare Plant List

Scientific Name Distribution by Forest
Common Name A Bg Bl BT M S T W
Adenocaulon bicolor     S          
American Trailplant
Agoseris lackschewitzii       S   S    
Pink Agoseris
Aletes humilis         S      
Larimer Aletes
Amerorchis rotundifolia           S    
Round-leaved Orchid
[Orchis r.]
Androsace chamaejasme ssp. curinata       FS   X    
Sweet-flowered Rock Jasmine
[A. Iehmanniana]
Aquilegia laramiensis         S      
Laramie Columbine
Arctostaphylos rubra           S    
Red Manzanita
[Arctous r.]
Arnica lonchophylla   S S?          
Northern Arnica
Aster mollis   S   S        
Soft Aster
Astragalus diversifolius var. diversifolius       S?        
Meadow Milkvetch
Astragalus jejunus var. jejunus S?     S?        
Starveling Milkvetch
Astragalus paysonii       S        
Payson's Milkvetch
Botrychium ascendens           S    
Upward-lobe Moonwort
Botrychium campestre     S          
Prairie Moonwort
Carex alopecoidea     S          
Foxtail Sedge
Carex incurviformis       S   X  
Seaside Sedge
Curex livida           S    
Livid Sedge
Carex luzulina var. atropurpurea       S   X    
Black and Purple Sedge
Cirsium ownbeyi X              
Ownbey's Thistle
Cymopterus williamsii   X            
Williams' Waferparsnip
Cypripedium fasciculatum         S      
Clustered Lady's Slipper
Cypripedium montanum   X            
Mountain Lady's Slipper
Descurainia torulosa       S   S    
Wyoming Tansymustard
Draba borealis       FS   X    
Boreal Draba
Draba densifolia var. apiculata       S   X    
Rockcress Draba
Draba pectinipila           X    
Comb-Hair Whitlow-Grass
[D. oligosperma var. p.]
Epipuctis gigantea   S? S?          
Giant Helleborine
Equisetum scirpoides     S          
Dwarf Scouring Rush
Erigeron lanatus       S        
Wooly Fleabane
Festuca hallii   S     S? S    
Hall's Fescue
Haplopappus macronema var. Linearis       S   X    
Narrowleaf Goldenweed
[H. m. var. canescens]
Ipomopsis aggregata ssp. weberi         S      
Weber's Scarlet-Gilia
Ipomopsis spicata ssp. robruthii           S    
Kirkpatrick's Ipomopsis
Lesquerella arenosa var. argillosa         X      
Sidesaddle Bladderpod
Lesquerella carinata var. carinata       X?     X  
Keeled Bladderpod
Lesquerella fremontii           S    
Fremont Bladderpod
Lesquerella paysonii       S     S  
Payson's Bladderpod
Lycopodium complanatum     S          
Trailing Clubmoss
Lycopodium dendroideum     S          
Treelike Clubmoss
Machaeranthera coloradoensis         S      
Colorado Tansy-Aster
[Haplopappus c.]
Muhlenbergia glomerata   S? S     S    
Marsh Muhly
Oryzopsis contracta X     X        
Contracted Indian Ricegrass
[O. hymenoides var. c.]
Parrya nudicaulis       S   S    
Naked-Stemmed Parrya
Parthenium alpinum         S?      
Alpine Feverfew
[Bolophyta alpina]
Penstemon caryi   S            
Cary's Beardtongue
Physaria integrifolia var. monticola       S        
Creeping Twinpod
Primula egaliksensis       FS   S    
Greenland Primrose
Pyrrocoma carthamoides var. subsquarrosus           S    
Absaroka Goldenweed
[Haplopappus c. var. s.]
Rubus arcticus ssp. acaulis   S            
Northern Blackberry
[R. acaulis]
Salix myrtillifolia var. myrtillifolia           S    
Myrtleleaf Willow
Salix serissima     S?   S      
Autumn Willow
Saussurea weberi       S   X    
Weber's Saw-Wort
Scirpus cyperinus     S          
Cottongrass Bulrush
[S. atrocinctus]
Scirpus rollandii           S    
Rolland's Bulrush
[S. pumilus]
Shoshonea pulvinata           S    
Sisyrinchium pallidum         X?      
Pale Blue-Eyed Grass
Sphaeromeria simplex         S?      
Laramie False Sagebrush
Sullivantia hapemanii var. hapemanii   S            
Hapeman's Sullivantia
Thelesperma pubescens               S
Uinta Greenthread
Townsendia condensata var. anomala           S    
North Fork Easter Daisy


Forests: A = Ashley NF; Bg = Bighorn NF; Bl = Black Hills NF; BT = Bridger-Teton NF; M = Medicine Bow NF; S = Shoshone NF; T = Targhee NF; W = Wasatch-Cache NF (Note: No rare plants are currently known from the Wyoming portion of Caribou NF ) S = Sensitive and present on Forest; S? = Sensitive and may occur on Forest; X = present, but not listed as Forest Sensitive; X? = may be present, but not listed as Forest Sensitive. FS = Forest Sensitive
Previous Section -- Wyoming Rare Plant Reference List
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Next Section -- United States Forest Service Rare Plant List - Rare Plants of Ashley National Forest (USFS R-4)

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