Bull. Sci. Soc. Philom. Paris sér. 3, 8: 186. 1821

Common names: Antler ferns water ferns floating ferns
Etymology: Greek cerato, horned, and pteris, fern, referring to the antlerlike fertile leaf
Basionyms: Parkeria Hooker Exot. Fl. 2: plate 147. 1825
Treatment appears in FNA Volume 2.
Plants 2–120 cm. Stems 1–10 mm diam., sparsely scaly. Leaves erect. Proximal leaves broad, simple and lobed to 4-pinnate, glabrous; distal leaves finely dissected with linear ultimate segments. Sporangia nearly sessile, usually densely packed, globose. Spores tetrahedral.


Tropical, subtropical, and warm temperate regions worldwide.


Species 3–4 (3 in the flora).


1 Sterile leaves simple, palmately or pinnately lobed, sometimes 2–4-pinnate, deltate to cordate to ovate; proximal pinnae or veins of lobes usually opposite; petioles frequently inflated. Fertile leaves usually deltate to cordate to reniform; sporangia lacking annulus or annulus well developed, indurate cells 0–10(–40). Ceratopteris pteridoides
1 Sterile leaves (1–)2–3-pinnate, lanceolate, lance-ovate, ovate to deltate; proximal pinnae usually alternate; petioles usually not inflated. Fertile leaves lanceolate, sometimes ovate, deltate, or cordate; sporangia with well-developed annulus, indurate cells 13–71. > 2
2 Sporangia with 32 spores. Ceratopteris thalictroides
2 Sporangia with 16 spores. Ceratopteris richardii
Facts about "Ceratopteris"
AuthorRobert M. Lloyd +
AuthorityBrongniart +
BasionymsParkeria +
Common nameAntler ferns +, water ferns + and floating ferns +
DistributionTropical +, subtropical + and and warm temperate regions worldwide. +
EtymologyGreek cerato, horned, and pteris, fern, referring to the antlerlike fertile leaf +
Illustration copyrightFlora of North America Association +
IllustratorJohn Myers +
Publication titleBull. Sci. Soc. Philom. Paris +
Publication year1821 +
Referencedevol1957a +, hickok1974a + and hickok1977a +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V2/V2 554.xml +
Taxon familyParkeriaceae +
Taxon nameCeratopteris +
Taxon parentParkeriaceae +
Taxon rankgenus +
VolumeVolume 2 +