The Collaborative International Dictionary of English v.0.48:

Carpodacus \Carpodacus\ n.
   a genus of birds including the house finch (Carpodacus
   mexicanus) and purple finch (Carpodacus purpurea).

   Syn: genus Carpodacus.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Carpodacus mexicanus
    n 1: small finch originally of the western United States and
         Mexico [syn: house finch, linnet, Carpodacus
         mexicanus]