| Section | Family | Scientific Name | (Most Prevalent) Common Name | RAB Flora Synonym | NatureServe Synonym | Author | State Rank | Global Rank | State Status | US Status |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Isoetaceae | Isoetes appalachiana
BONAP Images | Appalachian Quillwort | Isoetes engelmannii (in part) | D.F. Brunton & D.M. Britton | S3S4 | G4 | |||
| 1 | Isoetaceae | Isoetes engelmannii
BONAP Images | Engelmann's Quillwort | Isoetes engelmannii (in part) | A. Braun | S4 [S4S5] | G4 [G5] | |||
| 1 | Isoetaceae | Isoetes hyemalis
BONAP Images | Winter Quillwort | Isoetes engelmannii (in part) | D.F. Brunton | S2S3 [S3] | G2G3 [G3?] | W7 [W1] | ||
| 1 | Isoetaceae | Isoetes melanopoda
BONAP Images | Blackfoot Quillwort | Isoetes melanopoda (in part) | Gay & Durieu ex Durieu | S1S3 | G5 | [W7] | ||
| 1 | Isoetaceae | Isoetes melanopoda ssp. silvatica
BONAP Images | Eastern Blackfoot Quillwort | not in RAB | D.F. Brunton & D.M. Britton | S1S3 | G5TNR | W7 | ||
| 1 | Isoetaceae | Isoetes microvela
BONAP Images | Thin-wall Quillwort | not in RAB | D.F. Brunton | S1 | G1 | T | ||
| 1 | Isoetaceae | Isoetes piedmontana
BONAP Images | Piedmont Quillwort | Isoetes melanopoda (in part) | (Pfeiffer) Reed | S2 | G4 | T | ||
| 1 | Isoetaceae | Isoetes riparia
BONAP Images | Riverbank Quillwort | Engelmann ex A. Braun | [S1S2] | G5 | ||||
| 1 | Isoetaceae | Isoetes tegetiformans BONAP Images | Mat-forming Quillwort | not in RAB | Rury | SRF | G1 | |||
| 1 | Isoetaceae | Isoetes valida
BONAP Images | Strong Quillwort | Isoetes engelmannii (in part) | (Engelmann) Clute | S3 | G4? | |||
| 1 | Isoetaceae | Isoetes virginica
BONAP Images | Virginia Quillwort | Isoetes melanopoda (in part) | Pfeiffer | S1 | G1 | SR-L |