The Collaborative International Dictionary of English v.0.48:

Physaria \Physaria\ prop. n.
   A small genus of Western North American herbs similar to
   Lesquerella; the bladderpods.

   Syn: genus Physaria.
        [WordNet 1.5]

WordNet (r) 3.0 (2006):

Physaria
    n 1: small genus of western North American herbs similar to
         Lesquerella: bladderpods [syn: Physaria, genus
         Physaria]