Heat as a factor in germination of seeds of Ceanothus velutinus var. laevigatus T. & G.
By: by Henry John Gratkowski.
Published: 1962
Language: eng
Number of pages: 122
Subjects: Ceanothus velutinus.; Buckhorn -- Seeds.
Notes: Typescript.

Thesis (Ph. D)--Oregon State University, 1962.

Bibliography: leaves 115-122.