Ranunculus sardous (hairy buttercup)

Clinopodium vulgare
Clipperton Island
Clitocybe clavipes
Clitocybe costata
Clitocybe geotropa
Clitocybe gibba
Clitocybe leucodiatreta
Clitocybe maxima
Clitocybe nebularis
Clitocybe odora
Clitocybe phaeophtalma
Clitocybe rizophora
Clitocybe squamulosa
Clitoria mariana (Atlantic pigeonwings)
Clivia miniata
Cocos (Keeling) Islands
Coelorachis cylindrica (cylinder jointtail grass)
Coelorachis rugosa (wrinkled jointtail grass)
Colchicum alpinum
Colchicum autumnale
Collinsia parviflora (maiden blue eyed Mary)
Collinsia violacea (violet blue eyed Mary)
Collybia butyracea
Collybia cirrhata
Collybia driophyla
Collybia fusipes
Collybia impudica
Collybia kuehneriana
Collybia luteifolia

Image of Ranunculus sardous (hairy buttercup) 1
USDA-NRCS PLANTS Database / Britton, N.L., and A. Brown. 1913. An illustrated flora of the northern United States, Canada and the British Possessions. Vol. 2: 114.