Species: Rabarbra (Rheum ×rhabarbarum)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Bjørkelangen | Akershus, Norway | 2 | 1 | 0 | 2019-05-27 | |
| Bratsbergkleiva skole | Telemark, Norway | 1 | 1 | 0 | 2020-03-25 | |
| Bråte skole | Akershus, Norway | 1 | 1 | 0 | 2023-04-13 | |
| Nærområde til Cicignon skole | Østfold, Norway | 2 | 1 | 0 | 2013-09-05 |