Contains 2 accepted taxa overall.
Characteristics
Classification
Citation
CERATOPTERIS Brongniart, Bull. Sci. Soc. Philom. Paris 1821: 186. 1822.
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TYPE: Ceratopteris thalictroides (Linnaeus) Brongniart (Acrostichum thalictroides Linnaeus) Lectotypified by Brongniart, Dict. Class. Hist. Nat. 3: 350. 1823.
Species
| Scientific Name | Common Name | Herbarium Specimens | Status | Photos |
|---|---|---|---|---|
| Ceratopteris pteridoides | WATER HORN FERN | Native OBL (NWPL) | ||
| Ceratopteris thalictroides | WATERSPRITE | Not Native OBL (NWPL) |
Identification Key
1. Spores 16 per sporangium
1. Spores 32 per sporangium
2
2. Petiole (1)10-11(19) mm wide, usually inflated; sterile leaves usually simple and palmately or pinnately lobed, sometimes 2- to 4-pinnate; basal pinnae or veins of lobes usually opposite; fertile leaves usually deltate to cordate or reniform; sporangia lacking annulus or annulus well-developed, indurate cells 0-10(40)
2. Petiole (0.7)2-6(8) mm wide, not inflated; sterile leaves (1)2- to 3-pinnate; basal pinnae usually alternate; fertle leaves lanceolate, ovate, deltate, to cordate; sporangia with well-developed annulus, indurate cells 13-71
Genus Synonyms
| Synonym | Full Citation | Basionym | Type |
|---|---|---|---|
| Ellobocarpus | Ellobocarpus Kaulfuss, Enum. Filic. 147. 1824. | TYPE: = Ceratopteris Brongniart 1822. | |
| Furcaria | Furcaria Desvaux, Mem. Soc. Linn. Paris 6: 292. 1827. | TYPE: = Ceratopteris Brongniart 1822, by lectotypification. | |
| Parkeria | Parkeria Hooker, Exot. Fl. 2: 147. 1825. | TYPE: Parkeria pteridoides Hooker | |
| Teleozoma | Teleozoma R. Brown, in Franklin, Narr. J. Polar Sea 767. 1823. | TYPE: Acrostichum thalictroides Linnaeus = Ceratopteris Brongniart 1822, by lectotypification. |