Alphabetical List of Plants at Risk

List of scientific names. Click on the species name to see the detailed plant description and view the virtual gallery.

C List

Calamagrostis lapponica
Calamagrostis rubescens
Calypso bulbosa var. americana
Calystegia sepium var. angulata
Camissonia andina
Camissonia breviflora
Canadanthus modestus
Cardamine parviflora var. arenicola
Cardamine pratensis
Carex alopecoidea
Carex arcta
Carex assiniboinensis
Carex bicolor
Carex bigelowii
Carex buxbaumii
Carex capitata ssp. capitata
Carex crawei
Carex cristatella
Carex cryptolepis
Carex eburnea
Carex echinata ssp. echinata
Carex garberi
Carex glacialis
Carex granularis var. haleana
Carex gravida var. gravida
Carex heleonastes ssp. heleonastes
Carex hoodii
Carex hystericina
Carex leptonervia
Carex mackenziei
Carex maritima
Carex michauxiana
Carex pachystachya
Carex paleacea
Carex pauciflora
Carex pedunculata
Carex petasata
Carex projecta
Carex raynoldsii
Carex saxatilis
Carex saximontana
Carex subspathacea
Carex supina var. spaniocarpa
Carex tetanica
Carex trisperma
Carex vulpinoidea var. vulpinoidea
Castilleja coccinea
Castilleja raupii
Celastrus scandens
Cerastium alpinum
Cerastium beeringianum spp. earlei
Chamaesyce serpens
Chenopodium atrovirens
Chenopodium hians
Chenopodium incanum
Chenopodium subglabrum
Chenopodium watsonii
Cirsium muticum
Cladium mariscoides
Claytonia lanceolata var. lanceolata
Clematis occidentalis var. occidentalis
Collinsia parviflora
Corallorhiza striata
Corispermum americanum var. americanum
Corispermum villosum
Crassula aquatica
Crataegus douglasii var. douglasii
Crataegus succulenta
Crepis atribarba
Crepis intermedia
Crepis occidentalis ssp. costata
Cryptantha celosioides
Cryptantha kelseyana
Cryptantha minima
Cuscuta corylii
Cycloloma atriplicifolium
Cyperus acuminatus
Cyperus schweinitzii
Cyperus squarrosus
Cyperus strigosus
Cypripedium arietinum
Cypripedium candidum
Cypripedium reginae
Cystopteris montana