Triangle Water Fern

Ceratopteris richardii Brongn.

Steven J. Baskauf cc-by-4.0

Ceratopteris richardii (Triangle Water Fern) is a species of annual herb in the family Pteridaceae. They are associated with freshwater habitat. They are native to Puerto Rico and The Contiguous United States. Individuals can grow to 65 cm. They have alternation of generations.

URI: http://purl.obolibrary.org/obo/FLOPO_0980071
Definition: Of plant duration, a plant whose life span ends within one year after germination, e.g. a winter annual germinating in the autumn and flowering in the spring (esp. in Mediterranean climates), approximately synonymous to therophyte, c.f. biennial, ephemeral, perennial, c.f. also of flowering with respect to architecture, hapaxanthic, monocarpic, pleonanthic.
Attribution: Stevens, P. F. (2001 onwards). Angiosperm Phylogeny Website. Version 12, July 2012. Glossary, http://www.mobot.org/mobot/research/apweb/top/glossarya_h.html#annual

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URI: http://purl.obolibrary.org/obo/FLOPO_0022142
Definition: whole plant herbaceous

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URI: http://purl.obolibrary.org/obo/ENVO_00000873
Definition: A biome that applies to the freshwater realm.

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URI: http://www.geonames.org/4566966

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URI: http://www.wikidata.org/entity/Q578170

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URI: http://eol.org/schema/terms/alternatingReproduction
Definition: Organisms with a life cycle that features alternation of generations with sexual and asexual reproduction.

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EOL has data for 16 attributes, including:

cellularity
- URI: http://purl.obolibrary.org/obo/PATO_0001992
- Definition: An organismal quality inhering in a bearer by virtue of the bearers consisting cells. [ PATOC:GVG ]
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multicellular
- URI: http://purl.obolibrary.org/obo/PATO_0001993
- Definition: A cellularity quality inhering in a bearer by virtue of the bearers consisting of more than one cell. [ PATOC:GVG ]
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geographic distribution includes
- URI: http://eol.org/schema/terms/Present
- Definition: This organism is known to be present in this location or region. Not exclusive; other regions may also be reported.
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Alabama
- URI: http://www.geonames.org/4829764
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habitat
- URI: http://purl.obolibrary.org/obo/RO_0002303
- Definition: x has habitat y if: x is an organism, y is a habitat, and y can sustain and allow the growth of a population of x
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freshwater
- URI: http://purl.obolibrary.org/obo/ENVO_00000873
- Definition: A biome that applies to the freshwater realm.
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leaf length
- URI: http://purl.obolibrary.org/obo/FLOPO_0001133
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50 cm
leaf venation shape
- URI: http://purl.obolibrary.org/obo/FLOPO_0000562
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catadromous (leaves)
- URI: http://eol.org/schema/terms/catadromous
- Definition: a venation pattern in which the first vein in a given segment arises on the side of the leaf segment toward the base
- Attribution: http://sweetgum.nybg.org/science/glossary/glossary-details/?irn=429
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leaf venation structure
- URI: http://purl.obolibrary.org/obo/FLOPO_0008074
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reticulate
- URI: https://www.wikidata.org/entity/Q16868813
- Definition: net-like pattern, arrangement, or structure
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native range includes
- URI: http://eol.org/schema/terms/NativeRange
- Definition: Lists jurisdictions in which a given organism is a member of the undisturbed fauna or flora.
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Puerto Rico
- URI: http://www.geonames.org/4566966
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plant growth form
- URI: http://purl.obolibrary.org/obo/FLOPO_0900032
- Definition: whole plant growth form. eg: herbaceous, tree, liana
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herb
- URI: http://purl.obolibrary.org/obo/FLOPO_0022142
- Definition: whole plant herbaceous
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reproduction
- URI: http://purl.obolibrary.org/obo/GO_0000003
- Definition: The production of new individuals that contain some portion of genetic material inherited from one or more parent organisms
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alternation of generations
- URI: http://eol.org/schema/terms/alternatingReproduction
- Definition: Organisms with a life cycle that features alternation of generations with sexual and asexual reproduction.
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spore arrangement
- URI: http://eol.org/schema/terms/sporeArrangement
- Definition: The important feature of homospory is the four fold division involved in spore production, this takes the form of either a tetrahedra which gives a trilete (Y shaped scar) spore or a tetragon which gives a monolete (single linear scar) spore.
- Attribution: https://www.ucl.ac.uk/GeolSci/micropal/spore.html
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trilete
- URI: http://eol.org/schema/terms/trilete
- Definition: spores bearing a Y shaped scar, indicating that they were arranged in a tetrahedral spore tetrad
- Attribution: https://www.ucl.ac.uk/GeolSci/micropal/spore.html
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sporophyll height
- URI: http://eol.org/schema/terms/sporophyllHeight
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65 cm
trophic guild
- URI: http://eol.org/schema/terms/TrophicGuild
- Definition: A group of species that exploit the same food resources, and/or use the same feeding or foraging methods. http://en.wikipedia.org/wiki/Guild_(ecology)
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photoautotroph
- URI: http://purl.obolibrary.org/obo/ECOCORE_00000130
- Definition: An autotroph which is capable of transforming light into chemical energy.
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Known occurrences, collected specimens and observations of Triangle Water Fern. View this species on GBIF

Steven J. Baskauf cc-by-4.0