Contains 2 accepted taxa overall.
Characteristics
Classification
Citation
AZOLLA Lamarck, Encycl. 1: 343. 1783.
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TYPE: Azolla filiculoides Lamarck
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Azolla filiculoides | AMERICAN WATERFERN; PACIFIC MOSQUITOFERN | Native OBL (NWPL) | ||
| Azolla pinnata | FEATHERED MOSQUITOFERN | Not Native OBL (NWPL) |
Identification Key
1. Branching subdichotomous, the main branches not much markedly longer at the plant base, the plant subradiate or irregular in shape; lamina trichomes mostly suborbicular to deltate, scarcely if at all longer than wide; microsporangial mass with barbed trichomes; megasporangium with 3 floats
1. Branching pinnate, the main branches markedly longer towards the plant base, the plant roughly triangular in shape; lamina trichomes oblong, conspicuously longer than wide; microsporangial mass lacking barbed trichomes; megasporangium with 9 floats (row of 3 and row of 6)
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Rhizosperma | Rhizosperma Meyen, Reise 1: 337. 1834. | TYPE: Non designatus. |