Lythrum salicaria
| Participant | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. |
|---|---|---|---|---|---|
| Ås videregående skole | Akershus, Norway | 2 | 1 | 0 | 1991-09-16 |
| Askim videregående skole | Østfold, Norway | 2 | 1 | 0 | 1994-05-27 |
| Ledaal videregående skole | Rogaland, Norway | 1 | 1 | 0 | 1989-09-05 |
| Porsgrunn videregående skole | Telemark, Norway | 1 | 1 | 0 | 1989-09-26 |
| Valler videregående skole | Akershus, Norway | 1 | 1 | 0 | 1989-08-04 |
| Nadderud videregående skole | Akershus, Norway | 1 | 1 | 0 | 1990-08-28 |
| Bømlo vidaregåande skule | Vestland, Norway | 1 | 1 | 0 | 1989-09-26 |
| Ski videregående skole | Akershus, Norway | 1 | 1 | 0 | 1989-09-21 |
| Eidsvoll videregående skole | Akershus, Norway | 1 | 1 | 0 | 1992-06-12 |
| Bamble videregående skole avd Grasmyr | Telemark, Norway | 1 | 1 | 0 | 1989-09-13 |
| Melsom videregående skole | Vestfold, Norway | 1 | 1 | 0 | 1989-09-15 |
| Losby besøksgård | Akershus, Norway | 1 | 1 | 1 | 2002-06-04 |
| Flekkefjord vgs | Agder, Norway | 1 | 1 | 0 | 1994-11-25 |