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Filtering by: Creator Kellogg, Royal S. Creator Gratkowski, H. Degree Name Doctor of Philosophy (Ph.D.)

Heat as a factor in germination of seeds of Ceanothus velutinus var. laevigatus T. & G.

Creator:

Gratkowski, H.

Resource Type:

Dissertation

Full Text:

of the U. S. Forest Service, U, S. Department of Agriculture, financed all phases of the project
Heat as a factor in germination of seeds of Ceanothus velutinus var. laevigatus T. & G.

Creator:

Gratkowski, H.

Resource Type:

Dissertation

Full Text:

possible. First, the Pacific Northwest Forest and Range Experiment Station of the B*. S. Forest Service