Found 25 results
Author Title Type [ Year(Asc)]
Filters: Author is John A. Christy  [Clear All Filters]
2019
Christy JA, Wagner DH, Kofranek D.  2019.  Checklist of Mosses of Oregon. Institute for Natural Resources, Portland, Oregon. :39.
2002
Christy JA.  2002.  Historic vegetation of the Tualatin River Basin.. Exploring the Tualatin River Basin: a Nature and Recreation Guide.. :144.