COLORADO ENDANGERED and THREATENED SPECIES LIST - PLANTS (By County)

COLORADO ENDANGERED AND THREATENED SPECIES LIST - PLANTS (by county)

County Common Name Scientific Name County Common Name Scientific Name

Lake County Rocky Mountain columbine Aquilegia saximontana Las Animas County southern maiden-hair Adiantum capillus-veneris Dwarf alpine hawk's-beard Askellia nana golden columbine Aquilegia chrysantha var. rydbergii (Crepis nana) Fendler cloak-fern Argyrochosma fendleri l Leadville milkvetch Astragalus molybdenus Dwarf milkweed Asclepias uncialis ssp. uncialis Crandall's rock-cress Boechera crandallii ebony spleenwort Asplenium platyneuron (Arabis crandallii) Barneby's fever-few Bolophyta tetraneuris reflected moonwort Botrychium echo (Parthenium tetraneuris) narrowleaf grapefern Botrychium lineare sandhill goosefoot Chenopodium cycloides pale moonwort Botrychium pallidum American yellow lady's-slipper Cypripedium calceolus ssp. parviflorum alpine braya Braya humilis (Cypripedium parviflorum) northern rockcress Draba borealis Colorado larkspur Delphinium ramosum var. alpestre clawless draba Draba exunguiculata (Delphinium alpestre) rockcress draba Draba globosa Wahatoya Creek larkspur Delphinium robustum Gray's Peak whitlow-grass Draba grayana Smith whitlow-grass Draba smithii Mountain draba Draba rectifructa giant helleborine Epipactis gigantea Altai cottongrass Eriophorum altaicum var. neogaeum slender cottongrass Eriophorum gracile Mosquito Range mustard Eutrema penlandii Hall fescue Festuca hallii Globe gilia Ipomopsis globularis Colorado green gentian Frasera coloradensis northern twayblade Listera borealis Canadian River spiny aster Herrickia horrida Colorado tansy-aster Machaeranthera coloradoensis Yellow stargrass Hypoxis hirsuta snow grass Phippsia algida Arkansas Valley evening primrose Oenothera harringtonii Avery Peak twinpod Physaria alpina rayless goldenweed Oonopsis foliosa var. monocephala Porter feathergrass Ptilagrostis porteri Round-leaf four-o'clock Oxybaphus rotundifolius tundra buttercup Ranunculus gelidus (Mirabilis rotundifolia) hoary or silver willow Salix candida purple cliff-brake Pellaea atropurpurea Weber saussurea Saussurea weberi Wright's cliff-brake Pellaea wrightiana Rothrock townsend-daisy Townsendia rothrockii Rocky Mountain bladderpod Physaria calcicola (Lesquerella calcicola) Chaffee County Rock-loving neoparrya Aletes lithophilus Prairie violet Viola pedatifida (Neoparrya lithophila) Fendler cloak-fern Argyrochosma fendleri Prowers County Dwarf milkweed Asclepias uncialis ssp. uncialis Dwarf alpine hawk's-beard Askellia nana Colorado green gentian Frasera coloradensis (Crepis nana) Crandall's rock-cress Boechera crandallii Pueblo County plains ragweed Ambrosia linearis (Arabis crandallii) Narrow-leaved milkweed Asclepias stenophylla Barneby's fever-few Bolophyta tetraneuris Dwarf milkweed Asclepias uncialis ssp. uncialis (Parthenium tetraneuris) Barneby's fever-few Bolophyta tetraneuris reflected moonwort Botrychium echo (Parthenium tetraneuris) arctic braya Braya glabella var. glabella Peck sedge Carex peckii (Braya glabella ssp. glabella) sandhill goosefoot Chenopodium cycloides alpine braya Braya humilis American yellow lady's-slipper Cypripedium calceolus ssp. parviflorum low northern sedge Carex concinna (Cypripedium parviflorum) mountain bladder fern Cystopteris montana Golden blazing star Nuttallia chrysantha Colorado larkspur Delphinium ramosum var. alpestre (Mentzelia chrysantha) (Delphinium alpestre) Arkansas Valley evening primrose Oenothera harringtonii clawless draba Draba exunguiculata Pueblo goldenweed Oonopsis puebloensis Gray's Peak whitlow-grass Draba grayana (Oonopsis sp. 1) Mountain draba Draba rectifructa Round-leaf four-o'clock Oxybaphus rotundifolius giant helleborine Epipactis gigantea (Mirabilis rotundifolia) woolly fleabane Erigeron lanatus Rocky Mountain bladderpod Physaria calcicola Brandegee wild buckwheat Eriogonum brandegeei (Lesquerella calcicola) slender cottongrass Eriophorum gracile Prairie violet Viola pedatifida northern twayblade Listera borealis (Mentzelia densa) Colorado tansy-aster Machaeranthera coloradoensis Jeweled blazingstar Nuttallia speciosa Arkansas Canyon stickleaf Nuttallia densa (Mentzelia speciosa) (Mentzelia densa) Arkansas Valley evening primrose Oenothera harringtonii Jeweled blazingstar Nuttallia speciosa Pueblo goldenweed Oonopsis puebloensis (Mentzelia speciosa) (Oonopsis sp. 1) tundra buttercup Ranunculus gelidus Round-leaf four-o'clock Oxybaphus rotundifolius Pale blue-eyed grass Sisyrinchium pallidum (Mirabilis rotundifolia) Fendler's townsend-daisy Townsendia fendleri Wright's cliff-brake Pellaea wrightiana Rothrock townsend-daisy Townsendia rothrockii Degener beardtongue Penstemon degeneri Strigose Easter-daisy Townsendia strigosa Rocky Mountain bladderpod Physaria calcicola (Lesquerella calcicola) Custer County Dwarf alpine hawk's-beard Askellia nana Pale blue-eyed grass Sisyrinchium pallidum (Crepis nana) Fendler's townsend-daisy Townsendia fendleri Front Range milkvetch Astragalus sparsiflorus Selkirk violet Viola selkirkii reflected moonwort Botrychium echo Peck sedge Carex peckii Crowley County N/A N/A American yellow lady's-slipper Cypripedium calceolus ssp. parviflorum (Cypripedium parviflorum) Kiowa County Ambrosia linearis plains ragweed Mountain draba Draba rectifructa Smith whitlow-grass Draba smithii Huerfano Rock-loving neoparrya Aletes lithophilus Yellow stargrass Hypoxis hirsuta (Neoparrya lithophila) Broad-leaved twayblade Listera convallarioides Dwarf milkweed Asclepias uncialis ssp. uncialis Round-leaf four-o'clock Oxybaphus rotundifolius reflected moonwort Botrychium echo (Mirabilis rotundifolia) pale moonwort Botrychium pallidum Degener beardtongue Penstemon degeneri Colorado larkspur Delphinium ramosum var. alpestre autumn willow Salix serissima (Delphinium alpestre) Weber saussurea Saussurea weberi Wahatoya Creek larkspur Delphinium robustum Prairie violet Viola pedatifida Gray's Peak whitlow-grass Draba grayana Selkirk violet Viola selkirkii Mountain draba Draba rectifructa Hall fescue Festuca hallii Bent County sandhill goosefoot Chenopodium cycloides Arkansas Valley evening primrose Oenothera harringtonii Colorado green gentian Frasera coloradensis rayless goldenweed Oonopsis foliosa var. monocephala Rocky Mountain bladderpod Physaria calcicola Otero County Dwarf milkweed Asclepias uncialis ssp. uncialis (Lesquerella calcicola) ebony spleenwort Asplenium platyneuron Prairie violet Viola pedatifida Arkansas Valley evening primrose Oenothera harringtonii rayless goldenweed Oonopsis foliosa var. monocephala Baca County Dwarf milkweed Asclepias uncialis ssp. uncialis purple cliff-brake Pellaea atropurpurea Colorado green gentian Frasera coloradensis purple cliff-brake Pellaea atropurpurea Wright's cliff-brake Pellaea wrightiana