Site icon 4-County Cooperative Weed Management Area

Data Sharing Contest Entry 2022

Welcome 4-County CWMA friends!

This is YOUR HUB for sharing with us your reports or data for the CWMA’s 2022 “Priority Weeds” and “Call-for-Data Weeds.” Please read the instructions below.

For this contest, prizes to be determined, but expect them to be similar to last year.  Those who submit data by the January 31st, 2023 deadline will be entered into a lottery and three winners selected at random.

You can share your observations of our observations using any of the following two methods:

  1. Email your geodatabases (as shapefile or spreadsheet) or URLs of your favorite online platforms (iNaturalist, iMapInvasives, EDDMapS) to us (Tyler Pedersen at You can submit all your data if you’d like – no need to separate the call for data or priority species – we will filter out those species.
  2. If you have an organizational ArcGIS Online Account you can share your data with the CWMA. As with above, we’ll filter the species we need, so don’t worry about separating species into the two categories.

Please feel free to contact us for your questions, comments, needs, or concerns! Many thanks for your enthusiasm!

Cheers & Happy Weed Hunting! 🔎🌿

Chair: Tyler Pedersen (Tualatin Soil and Water Conservation District,

Vice Chair: Eli Staggs (Tualatin Soil and Water Conservation District,
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