This is a massive pdf, 1236 pages which apparently lists all the Woody Plant Seeds in America and explains how to harvest, store, and propagate them.. It's 47 MB which downloaded quickly for me but was a little slow to load in my browser.
My project thread Agriculture collects solar energy two-dimensionally; but silviculture collects it three dimensionally.
I did NOT cry! It was this tiny ad that cried. The tiny ad is a crier, not me.