Through the support of many individuals, NPSO, and OSU Extension, we now have funding to operate at half-capacity through June 2024. We'll continue to seek support to fully fund our program, so we can keep providing our resources. Thank you — your donations are greatly appreciated!

An easy-to-use plant identification tool based on the plant features you recognize. [more]

  • Begin by marking on the map the approximate location of your unknown plant.
  • Optionally specify a higher taxon filter (e.g., plant family) to restrict your search to that group of plants
  • Click “Search” to create a list of plants that occur in the region of your unknown.
  • Select any of the recognizable characters to narrow the possibilities.
  • Open the profile pages of plants in the list and compare to your unknown.
Higher Taxon Filter:
Point (Lat, Long): < Click on map >