Helen Margaret Gilkey

Helen Margaret Gilkey's books

Winter Twigs: A Wintertime Key to Deciduous Trees and Shrubs of Northwestern Oregon and Western Washington

4.33 avg rating — 12 ratings

Handbook of Northwest Flowering Plants

4.67 avg rating — 9 ratings

Handbook of Northwestern Plants

3.50 avg rating — 2 ratings

Gilkey's Weeds of the Pacific Northwest

0.00 avg rating — 0 ratings

Livestock Poisoning Weeds of Oregon

0.00 avg rating — 0 ratings

The Most Important Noxious Weeds Of Oregon

0.00 avg rating — 0 ratings

Northwestern American Plants (Studies in Botany, Number 9)

0.00 avg rating — 0 ratings

Handbook of Western Plants

0.00 avg rating — 0 ratings

Tuberales of California

0.00 avg rating — 0 ratings

A Spring Flora of Northwestern Oregon

0.00 avg rating — 0 ratings