WebUnited States. Origin: Native. Regularity: Regularly occurring. Currently: Present. Confidence: Confident. Type of Residency: Year-round Webthe low elevation populations of Cryptomastix hendersoni that are in the semi-arid eastern part of the Columbia River Gorge, the two most apparent threats to the survival of this …
Natural Heritage Ranking Form - Oregon State Rank
WebCryptomastix devia inhabits areas of the western Cascade Range and Puget Trough at low to moderate elevations from southern Vancouver Island, B.C., Canada through western Washington into northwestern Oregon, between The Dalles and Portland, with the potential to extend southward in the Willamette Valley and Coast Range. WebThese snails are in the family Polygyridae . Snails in this family are of conservation concern because they have specialized habitat requirements. Snails do not readily disperse and populations are isolated. They are vulnerable to alteration of their habitat. Description and Range Climate vulnerability Conservation Resources in and at pdf
Washington Status Factors
Webgopher tortoise PLPCH R4 2 LPN 8 FY22 AL, FL, GA, SC Gopherus polyphemus Louisiana pine snake PCH R4 2 N/A FY20 LA, TX Pituophis ruthveni Magnificent ramshorn PLPCH R4 2 LPN 2 FY22 NC Planorbella magnifica Marrón bacora FLFCH R4 2 N/A FY21 VI Solanum conocarpum Miami cave crayfish 12M/PLPCH R4 2 2 FY22 FL Procambarus milleri Miami … WebCryptomastix hendersoni Columbia Gorge oregonian (snail) BM, CB, EC, WC; ID, WA Clac, Hood, Sher, Umat, Wasc G1G2Q S1S2-- -- 1 Cryptomastix populi Poplar oregonian (snail) BM; ID, WA Wall G2 S1-- -- 1 Cryptomastix sp. nov. Disc oregonian (snail) BM; ID, WA Wall G2 S1-- -- 1 Gliabates oregonius Salamander slug CR Lane GHQ SH-- -- 1 Helicodiscus ... Webthe low elevation populations of Cryptomastix hendersoni that are in the semi-arid eastern part of the Columbia River Gorge, the two most apparent threats to the survival of this species are loss of perennial flow and habitat degradation. Loss of perennial flow can result from agricultural diversions and impoundments. in and at difference for place