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Wyoming Rare Plant Field Guide


Yellowstone Sand Verbena -- Abronia ammophila
American Trailplant -- Adenocaulon bicolor
Pink Agoseris -- Agoseris lackschewitzii
Ross' Bentgrass -- Agrostis rossiae
Larimer Aletes -- Aletes humilis
Round-leaved Orchid -- Amerorchis rotundifolia
Sweet-flowered Rock Jasmine -- Androsace chamaejasme var. carinata
Meadow Pussytoes -- Antennaria arcuata
Laramie Columbine -- Aquilegia laramiensis
Small Rock Cress -- Arabis pusilla
Red Manzanita -- Arctostaphylos rubra
Northern Arnica -- Arnica lonchophylla
Mystery Wormwood -- Artemisia biennis var. diffusa
Porter's Sagebrush -- Artemisia porteri
Dwarf Milkweed -- Asclepias uncialis
Soft Aster -- Aster mollis
Meadow Milkvetch -- Astragalus diversifolius var. diversifolius
Bastard Draba Milkvetch -- Astragalus drabelliformis
Dubois Milkvetch -- Astragalus gilviflorus var. purpureus
Hyattville Milkvetch -- Astragalus jejunus var. articulatus
Starveling Milkvetch -- Astragalus jejunus var. jejunus
Payson's Milkvetch -- Astragalus paysonii
Precocious Milkvetch -- Astragalus proimanthus
Upward-lobe Moonwort -- Botrychium ascendens
Prairie Moonwort -- Botrychium campestre
Foxtail Sedge -- Carex alopecoidea
Seaside Sedge -- Carex incurviformis
Livid Sedge -- Carex livida
Black and Purple Sedge -- Carex luzulina var. atropurpurea
Cedar Rim Thistle -- Cirsium aridum
Ownbey's Thistle -- Cirsium ownbeyi
Many-Stemmed Spider-Flower -- Cleome multicaulis
Owl Creek Miner's Candle -- Cryptantha subcapitata
Williams' Waferparsnip -- Cymopterus williamsii
Clustered Lady's Slipper -- Cypripedium fasciculatum
Mountain Lady's Slipper -- Cypripedium montanum
Wyoming Tansymustard -- Descurainia torulosa
Boreal Draba -- Draba borealis
Rockcress Draba -- Draba densifolia var. apiculata
Comb-Hair Whitlow-Grass -- Draba pectinipila
Giant Helleborine -- Epipactis gigantea
Dwarf Scouring Rush -- Equisetum scirpoides
Wooly Fleabane -- Erigeron lanatus
Rabbit Buckwheat -- Eriogonum brevicaule var. canum
Hall's Fescue -- Festuca hallii
Colorado Butterfly Plant -- Gaura neomexicana ssp. coloradensis
Narrowleaf Goldenweed -- Haplopappus macronema var. linearis
Weber's Scarlet-Gilia -- Ipomopsis aggregata spp. weberi
Kirkpatrick's Ipomopsis -- Ipomopsis spicata ssp. robruthii
Sidesaddle Bladderpod -- Lesquerella arenosa var. argillosa
Keeled Bladderpod -- Lesquerella carinata var. carinata
Fremont Bladderpod -- Lesquerella fremontii
Large-Friuted Bladderpod -- Lesquerella macrocarpa
Payson's Bladderpod -- Lesquerella paysonii
Trailing Clubmoss -- Lycopodium complanatum
Treelike Clubmoss -- Lycopodium dendroideum
Colorado Tansy-Aster -- Machaeranthera coloradoensis
Marsh Muhly -- Muhlenbergia glomerata
Contracted Indian Ricegrass -- Oryzopsis contracta
Naked-Stemmed Parrya -- Parrya nudicaulis
Alpine Feverfew -- Parthenium alpinum
Stemless Beardtongue -- Penstemon acaulis var. acaulis
Cary's Beardtongue -- Penstemon caryi
Gibben's Beardtongue -- Penstemon gibbensii
Opal Phlox -- Phlox opalensis
Beaver Rim Phlox -- Phlox pungens
Tufted Twinpod -- Physaria condensata
Dorn's Twinpod -- Physaria dornii
Devil's Gate Twinpod -- Physaria eburniflora
Creeping Twinpod -- Physaria integrifolia var. monticola
Rocky Mountain Twinpod -- Physaria saximontana var saximontana
Greenland Primrose -- Primula egaliksensis
Absaroka Goldenweed -- Pyrrocoma carthamoides var. subsquarrosus
Persistent Sepal Yellowcress -- Rorippa calycina
Northern Blackberry -- Rubus arcticus ssp. acaulis
Myrtleleaf Willow -- Salix myrtillifolia var. myrtillifolia
Autumn Willow -- Salix serissima
Weber's Saw-Wort -- Saussurea weberi
Cottongrass Bulrush -- Scirpus cyperinus
Rolland's Bulrush -- Scirpus rollandii
Shoshonea -- Shoshonea pulvinata
Pale Blue-Eyed Grass -- Sisyrinchium pallidum
Laramie False Sagebrush -- Sphaeromeria simplex
Ute Lady's Tresses -- Spiranthes diluvialis
Hapeman's Sullivantia -- Sullivantia hapemanii var. hapemanii
Green River Greenthread -- Thelesperma caespitosum
Uinta Greenthread -- Thelesperma pubescens
North Fork Easter Daisy -- Townsendia condensata var. anomala
Cedar Mountain Easter Daisy -- Townsendia microcephala
Barneby's Clover -- Trifolium barnebyi
Desert Yellowhead -- Yermo xanthocephalus

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