| Section | Family | Scientific Name | (Most Prevalent) Common Name | RAB Flora Synonym | NatureServe Synonym | Author | State Rank | Global Rank | State Status | US Status |
|---|---|---|---|---|---|---|---|---|---|---|
| 5 | Araceae | Lemna aequinoctialis
BONAP Images | Lesser Duckweed | Lemna perpusilla (in part) | Welwitsch | SH [S2S3] | G5 | SR-P [W7] | ||
| 5 | Araceae | Lemna gibba BONAP Images | Swollen Duckweed | L. | SRF | G4G5 | ||||
| 5 | Araceae | Lemna minor
BONAP Images | Common Duckweed | L. | S2S3 | G5 | W7 | |||
| 5 | Araceae | Lemna minuta
BONAP Images | Least Duckweed | not in RAB | Kunth. | SU | G4 | W4 | ||
| 5 | Araceae | Lemna obscura
BONAP Images | Little Duckweed | Lemna perpusilla (in part) | (Austin) Daubs | SH [S2?] | G5 | SR-O [W7] | ||
| 5 | Araceae | Lemna perpusilla
BONAP Images | Minute Duckweed | Lemna perpusilla (in part) | Torrey | S4 [S3?] | G5 | |||
| 5 | Araceae | Lemna trisulca BONAP Images | Star Duckweed | L. | SR | G5 | ||||
| 5 | Araceae | Lemna turionifera
BONAP Images | Turion Duckweed | not in RAB | Landolt | SRF | G5 | W3 | ||
| 5 | Araceae | Lemna valdiviana
BONAP Images | Valdivia Duckweed | Philippi | S3 [S4] | G5 |