Contains 8 accepted taxa overall.
Characteristics
Classification
Citation
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Species
| Scientific Name | Common Name | Status | Photos |
|---|---|---|---|
| Isoetes echinospora × I. engelmannii = I. ×eatonii | Eaton’s quillwort | Native OBL (NWPL EMP) OBL (NWPL NCNE) SNA (State Rank) GNA (Global Rank) | |
| Isoetes echinospora × I. septentrionalis = I. ×robusta | robust quillwort | Native OBL (NWPL EMP) OBL (NWPL NCNE) SNA (State Rank) GNA (Global Rank) | |
| Isoetes echinospora ssp. muricata | spiny-spored quillwort | Native OBL (NWPL EMP) OBL (NWPL NCNE) S4 (State Rank) | |
| Isoetes engelmannii | Engelmann’s quillwort | Native OBL (NWPL EMP) OBL (NWPL NCNE) S5 (State Rank) | |
| Isoetes engelmannii × I. septentrionalis | hybrid quillwort | Native OBL (NWPL EMP) OBL (NWPL NCNE) SNA (State Rank) GNA (Global Rank) | |
| Isoetes macrospora | lake quillwort | Native Rare-State OBL (NWPL EMP) OBL (NWPL NCNE) S3 (State Rank) | |
| Isoetes septentrionalis | northern shore quillwort | Native Endangered-State OBL (NWPL EMP) OBL (NWPL NCNE) S1 (State Rank) | |
| Isoetes tuckermanii | Tuckerman’s quillwort | Native OBL (NWPL EMP) OBL (NWPL NCNE) S4 (State Rank) |