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2015 Photo Contest!

UPDATE! Help The Oregon Flora Project!

  • Volume I of the two volume ‘Flora of Oregon’ is due to be sent to the publishers early next year. We have a special opportunity to make a big impact in reaching this milestone. NPSO has pledged to match up to $10,000 in donations made by the end of the year. NPSO and the OPF have been working for 20 years to bring this work to you! Please consider sending a generous donation, the first volume will cost $40,000, so our support is crucial.
  • There are three ways to contribute to the Oregon Flora Project:
    1. The PayPal donation link on the Oregon Flora website.
    2. A check payable to the Agricultural Research Foundation, with "OFP" on the memo line. It can be mailed directly to Ag Research Fdn: 1600 SW Western Blvd, Suite 320, Corvallis, OR 97333
    3. A check payable to the NPSO, with "OFP" on the memo line. It can be mailed to the NPSO treasurer: c/o Cyndi Dion 897 Hillview Dr; Ashland OR 97520-3517

  • In all cases, the funds are deposited with the Agricultural Research Foundation for the sole use of the OFP. Please forward this information to others who would be supportive but not likely to see it here.

Welcome to!

  • Whether you're a first-timer or a regular visitor to our website, we hope you find what you need. If it's not here, or you have a suggestion for improvement or a problem report, .

Enjoying Oregon's native flora

  • Oregon has over 3600 species of native plants. Large or small, abundant or rare, each is unique and special.
  • enjoying Oregon's flora
    Student of the flora! (N. Jensen)
  • Ecoregions ranging from coastal sand dunes and mountain forest to prairie grasslands and alpine lava fields provide a myriad of habitats for these plants.
  • Local chapters hold meetings, field trips, and plant shows and sales for members and non-members alike, making available the knowledge and wonder of our native plants to everyone.

Conservation & preservation

  • Over 450 of our native plant species are listed as threatened or endangered by the Oregon Biodiversity Information Center.
  • Native plants provide food and support for wildlife that introduced plants cannot.
  • Conserving and preserving species and habitat for all native species, but especially those in danger, is a priority for NPSO.

Study and education

  • NPSO, both at the state level and through individual chapters, provides support for research about native plants.
  • Classes providing information about native plants are given by local chapters.
  • The NPSO Bulletin and our journal, Kalmiopsis, provide timely and in-depth coverage of issues relating to native plants.


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