| Isoëtes echinospora | | 1989-09-26 | 1989-09-26 | Maltjern (Akershus, Norway) |  |
| Isoëtes echinospora | | 1989-09-06 | 1989-09-06 | Korssjøen (Vestfold, Norway) | |
| Isoëtes echinospora | | 1996-09-09 | 1996-09-09 | Korssjøen (Vestfold, Norway) | |
| Isoëtes echinospora | | 1991-06-12 | 1991-06-12 | Maltjern (Akershus, Norway) | |
| Isoëtes echinospora | | 1992-06-23 | 1992-06-23 | Maltjern (Akershus, Norway) | |
| Isoëtes echinospora | | 1993-09-02 | 1993-09-02 | Kvitblikkvannet (Nordland, Norway) | |
| Isoëtes echinospora | | 1990-09-12 | 1990-09-12 | Korssjøen (Vestfold, Norway) | |
| Isoëtes echinospora | | 1993-09-09 | 1993-09-09 | Korssjøen (Vestfold, Norway) | |