See where we map
Every record, on one map.
Crews, contractors and volunteers log every infestation they find or treat to EDDMapS, the shared invasive species database. This is the Summit County slice of it. Filter by species or year and the numbers above the map follow along.
- 9,410
- infestation records
- 31
- noxious species mapped
- 8,163
- infested acres recorded
- 2013–2026
- years of mapping latest record 2026-09-15
- …
- records shown
- …
- species
- …
- infested acres
- …
- most recorded
Loading records…
Records: EDDMapS / Utah SIIPA, Summit County subset, refreshed hourly. Tap a point for the species and year. Basemap © OpenStreetMap contributors via OpenFreeMap.
By the numbers
What the map says.
Records, not plants: one record can be a single rosette or a dense acre. Garlic mustard dominates the count because the Games log every pull site; acreage tells a different story.
Most recorded species
- Garlic mustard210 ac6,689 records
- Common reed3,870 ac478 records
- Musk thistle1,160 ac464 records
- Canada thistle203 ac294 records
- Dyer's woad138 ac276 records
- Houndstongue231 ac171 records
- Scotch thistle33 ac152 records
- Dalmatian toadflax6 ac142 records
- Hoary cress20 ac123 records
- Yellow toadflax79 records
Largest footprint by infested acres
- Common reed3,870 ac
- Myrtle spurge1,802 ac
- Musk thistle1,160 ac
- Houndstongue231 ac
- Garlic mustard210 ac
- Canada thistle203 ac
Records logged per year
- 13
- 14
- 15
- 16
- 17
- 18
- 19
- 20
- 21
- 22
- 23
- 24
- 25
- 26
Two-digit years, 2013 to 2026. Big years follow grant cycles and the Games.
Add to the map
Found something that is not on here?
A photo and a pin is enough. Early detection finds are the cheapest control there is.