I need a good Flora book!

Seriously I need a good book that will tell me what shit is. I grew up in the wood pretty much, I was a JFW, I can start fires with rocks and pure will, I can name every tree in the northern boreal forest of Alberta (have of them in latin), but I a utterly useless when it comes to flowerbeds and the west coast wilderness. Seriously I am sort of embarrassed to say I don’t know shit about these fandangled west coast trees and junk. So I need a good book, any suggestions?

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Camera: Canon 1Ds Mark II
Aperture: 6.3
Shutter: 1/120
Lens: Canon EF 24-70mm f/2.8L USM @ 70mm
ISO: 200
Date Taken: April.19.2007