Proposed Seed Collection Zones for the Central States

Limstrom, Gustaf A. 1963. Proposed seed collection zones for the central states. In: Westing, Arthur H., ed. Proceedings of the Third Central States Forest Tree Improvement  Conference. Lafayette, IN: Purdue University: 31-39.

Proposed seed zone collection for the central states_1963_limstrom.pdf — PDF document, 1015Kb