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Plant conservation projects
ODA is involved in many plant conservation projects throughout the state.  For information about specific projects, click on the appropriate links below.

Single species projects
northern wormwood flower Artemisia campestris ssp. borealis var.wormskioldii (northern wormwood)
Gentner's fritillary flower Fritillaria gentneri (Gentner's fritillary)
Cook's desert parsley flowers Lomatium cookii (Cook's desert parsley)
Wolf's evening primrose flower Oenothera wolfii (Wolf's evening primrose)
rough popcornflower greenhouse plants Plagiobothrys hirtus (rough popcornflower)
Malheur wire-lettuce flowers  Stephanomeria malheurensis (Malheur wire-lettuce)
Howell's spectacular thelypody flowers Thelypodium howellii ssp. spectabilis (Howell's spectacular thelypody)

Multiple species projects

  Evaluating allelopathic effects of pennyroyal (Mentha pulegium) on two native plant species (pdf, 1.23 MB) 
  Developing population density estimates for nine rare Willamette Valley prairie species (pdf, 5.33 MB) 

Threatened & endangered vascular plants of Oregon: An illustrated guide (1982 Green Book)