50 Keystone Flora Species of the Pacific Northwest
Collin Varner
Broschiertes Buch

50 Keystone Flora Species of the Pacific Northwest

A Pocket Guide

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A compact, user-friendly guide to ecologically significant plant species of the Northwest Coast A keystone species is an organism that defines and supports an entire ecosystem, filling a vital ecological niche. Without these species, ecosystems would be radically altered or even collapse. This full-color, pocket-sized field guide by best-selling naturalist Collin Varner highlights fifty keystone trees, flowering plants, fruit-bearing plants, marine plants, and fungi found across the Pacific Northwest bioregion. Species profiled include Douglas fir, Sitka spruce, large-leafed lupine, wild mint,...