Species: Åkertistel (Cirsium arvense)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Bakketun | Innlandet, Norway | 6 | 1 | 0 | 2019-07-12 | |
| Bergsto | Telemark, Norway | 1 | 1 | 3 | 2010-06-30 | |
| Kirkebygden barne- og ungdomsskole | Akershus, Norway | 3 | 1 | 1 | 2022-09-16 | |
| Sagåsen | Innlandet, Norway | 2 | 1 | 0 | 2014-07-04 |