Livres associés

Revision of North American Umbelliferae.

Poisonous hemlocks : their identification and control

Flora of Peru

• Mutations, variations, and relationships of the oenotheras
  Auteur(s): MacDougal, Daniel Trembly ,  Shull, George Harrison
• Bursa bursa-pastoris and Bursa heegeri biotypes and hybrids.
  Auteur(s): Shull, George Harrison
• [Collected reprints].
  Auteur(s): Shull, George Harrison

• Variation and correlation in the crayfish with special reference to the influence of differentiation and homology of parts.
  Auteur(s): Pearl, Raymond
• The coral Siderastrea Radians and its postlarval development
  Auteur(s): Duerden, J. E.
• Coloration in polistes
  Auteur(s): Enteman, Wilhelmine M.