| Amphibious Bistort (Persicaria amphibia) | | 1989-09-13 | 1989-09-13 | Gullerudtjern (Buskerud, Norway) |  |
| Amphibious Bistort (Persicaria amphibia) | | 1989-09-13 | 1989-09-13 | Akersvannet (Vestfold, Norway) | |
| Amphibious Bistort (Persicaria amphibia) | | 1997-09-16 | 1997-09-16 | Ulfsbakktjønn (Vestfold, Norway) | |
| Amphibious Bistort (Persicaria amphibia) | | 1996-09-25 | 1996-09-25 | Ulfsbakktjønn (Vestfold, Norway) | |
| Amphibious Bistort (Persicaria amphibia) | | 1990-08-28 | 1990-08-28 | Jarenvannet (Innlandet, Norway) | |
| Water-pepper (Persicaria hydropiper) | | 1989-09-01 | 1989-09-01 | Kolbjørnviksjøen (Østfold, Norway) | |
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