Flower hunters
Gribbin, Mary
580.922 GRIBBIN

An orchard invisible : a natural history of seeds
Silvertown, Jonathan W.
581.487 SILVERT

Wicked plants : the weeds that killed Lincoln's mother and other botanical atrocities
Stewart, Amy
581.65 STEWART

Green planet : how plants keep the Earth alive
Rice, Stanley A.
581.7 RICE

California plant families : west of the sierran crest and deserts
Keator, Glenn
581.9794 KEATOR

Trees : a visual guide
Rodd, Tony
582.16 RODD