Books by John A. Christy
Urbanizing flora of Portland,
Urbanizing flora of Portland, Oregon, 1806-2008
Native freshwater wetland plan
Native freshwater wetland plant association of northwestern Oregon
Guide for the identification of rare, threatened or sensitive bryophytes in the range of the northern spotted owl, western Washington, western Oregon, and northwestern California
Bryophytes of the Columbia Basin, south of the Canadian border
Report on a preliminary survey
Report on a preliminary survey of sphagnum-containing wetlands of the Oregon coast