Elodea canadensis
| Deltaker | Kommune (fylke) | Ant. obs. | Ant. arter | Ant. bilder | Siste obs. |
|---|---|---|---|---|---|
| Belset skole | Akershus, Norway | 7 | 1 | 0 | 2006-12-13 |
| Hadeland videregående skole/Avdeling Brandbu | Innlandet, Norway | 2 | 1 | 0 | 1990-08-28 |
| Bjertnes videregående skole | Akershus, Norway | 2 | 1 | 0 | 2004-09-01 |
| Kvinnherad vidaregåande skule | Vestland, Norway | 2 | 1 | 0 | 1994-06-03 |
| Stabekk videregående skole | Akershus, Norway | 1 | 1 | 0 | 1991-09-12 |
| Skeisvang videregående skole | Rogaland, Norway | 1 | 1 | 0 | 2005-09-16 |
| Skullerud skole | Oslo, Norway | 1 | 1 | 0 | 2011-09-15 |
| Lambertseter videregående skole | Oslo, Norway | 1 | 1 | 0 | 1994-09-05 |
| Fredheim skole | Innlandet, Norway | 1 | 1 | 0 | 2012-09-20 |
| Ås videregående skole | Akershus, Norway | 1 | 1 | 0 | 1991-09-16 |
| Malvik videregående skole | Trøndelag, Norway | 1 | 1 | 0 | 1989-09-14 |
| Rudolf Steinerskolen i Oslo | Oslo, Norway | 1 | 1 | 0 | 1989-09-06 |