Contains 3 accepted taxa overall.
Characteristics
Classification
Citation
WOLFFIA Horkel ex Schleiden, Beitr. Bot. 233. 1844, nom. cons. vs. Wolfia Schreber 1791, et vs. Wolffia Horkel ex Schleiden 1839.
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TYPE: Wolffia michelii Schleiden, typ. cons.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Wolffia brasiliensis | BRAZILIAN WATERMEAL | Native OBL (NWPL) | ||
| Wolffia columbiana | COLUMBIAN WATERMEAL | Native OBL (NWPL) | ||
| Wolffia globosa | ASIAN WATERMEAL | Not Native OBL (NWPL) |
Identification Key
1. Fronds boat-shaped, 0.3-0.7 times as deep as wide, 1–1.5 times as long as wide, with a conical papilla in center of upper surface, usually brown punctate (esp. apparent in dead leaves)
1. Fronds globular to ovoid, 1-1.5 times as deep as wide, 1-2 times as long as wide, lacking a a conical papilla, not brown punctate
2. Fronds 1-1.3 times as long as wide, 0.4-1.2 mm wide
2. Fronds 1.3-2 times as long as wide, 0.3-0.5 mm wide
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Bruniera | Bruniera Franchet, Billotia 1: 25. 1864. | TYPE: Bruniera vivipara Franchet, nom. illegit. (Lemna arrhiza Linnaeus) | |
| Grantia | Grantia Griffith ex Voigt, Hort. Suburb. Calcutt. 692. 1845. | TYPE: Grantia microscopica Griffith ex Voigt |