Plant Identification

  • Washington Noxious Weeds

    The Washington State Noxious Weed Control Board is tasked with maintaining and updating the official list of noxious weeds that…

  • Oregon Noxious Weeds

    Oregon Department of Agriculture has compiled profiles of noxious weeds as designated by the Oregon State Weed Board. Profiles include…

  • Columbia Gorge Cooperative Weed Management Area Weed List

    Lists weeds of Washington and Oregon with links to more information for each species.

  • Worst Weeds of the Gorge

    A booklet style guide for early detection and rapid response in the Columbia River Gorge from 2013.

  • Northwest Wildflowers

    For more resources on identifying wildflowers and recommended ID books, visit

  • The Pacific Northwest Native Plant Primer

    Packed with proven advice that every home gardener can follow, this incomparable sourcebook profiles 225 recommended native wildflowers, grasses and…

  • Pl@ntNet app

    This app allows you to identify plants simply by photographing them with your smartphone. Very useful when you don’t have…

  • iNaturalist app

    One of the world’s most popular nature apps, iNaturalist helps you identify the plants and animals around you. The app…

  • PictureThis app

    This app identifies 1,000,000+ plants daily with over 98% accuracy—your personal plant expert in your pocket. Whether you’re a seasoned…

  • Montana Grasses app

    An app focusing on grass identification! It is developed for Montana, but there is overlap with grasses in Oregon and…