Genus: Sylbladslekta (Subularia)
| Site | Municipality (county) | Num. obs. | Num. species | Num. images | Last obs. | |
|---|---|---|---|---|---|---|
| Bergvikvatnet | Nordland, Norway | 1 | 1 | 0 | 1989-09-18 | |
| Gåsvatnet - ferskvann | Trøndelag, Norway | 1 | 1 | 0 | 2016-05-31 | |
| Laksådalsvatnet | Nordland, Norway | 1 | 1 | 0 | 1989-09-14 | |
| Nordre Skeisvatn | Rogaland, Norway | 1 | 1 | 0 | 2005-09-16 | |
| Nøklevann | Oslo, Norway | 2 | 1 | 0 | 1994-09-05 | |
| Storeidvatnet | Nordland, Norway | 1 | 1 | 0 | 1998-09-07 | |
| Øvre Storfjordvatnet | Nordland, Norway | 1 | 1 | 0 | 1989-09-01 | |
| Årungen | Akershus, Norway | 1 | 1 | 0 | 1990-09-17 |
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