Whisk Fern

Psilotum nudum (L.) P. Beauv.

Smithsonian Institution, National Museum of Natural History, Department of Botany cc-by-nc-sa-3.0

Psilotum nudum (Whisk Fern) is a species of perennial herb in the family whisk ferns. They are native to Pacific Basin excluding Hawaii, The Contiguous United States, Puerto Rico, U.S. Virgin Islands, and Hawaii. They have alternation of generations.

URI: http://purl.obolibrary.org/obo/FLOPO_0980073
Definition: Of plant duration, a plant whose life span extends over more than two growing seasons, c.f. annual, biennial, ephemeral, 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/glossaryi_p.html#perennial

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

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

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

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URI: http://www.geonames.org/4796775

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URI: http://www.geonames.org/5855797

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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 11 attributes, including:

gametophyte
- URI: http://purl.obolibrary.org/obo/PO_0025340
- Definition: A gametophyte development stage between spore germination and the formation of a gametangium
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mycotroph
- URI: https://www.wikidata.org/entity/Q1783637
- Definition: plant obtaining organic carbon from a host green plant by tapping into an intermediary mycorrhizal fungus attached to the roots of the host plant
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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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Arkansas
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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waterfall
- URI: http://purl.obolibrary.org/obo/ENVO_00000040
- Definition: A sudden descent of water over a step or ledge in the bed of a river.
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habitat includes
- URI: http://eol.org/schema/terms/Habitat
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swamp
- URI: http://purl.obolibrary.org/obo/ENVO_00000233
- Definition: A wetland that features permanent inundation of large areas of land by shallow bodies of water, generally with a substantial number of hummocks, or dry-land protrusions.
- Comment: Ontology Description: http://environmentontology.org/ Ontology Source: http://envo.googlecode.com/svn/trunk/src/envo/envo.owl
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leaf venation structure
- URI: http://purl.obolibrary.org/obo/FLOPO_0008074
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none
- URI: http://purl.bioontology.org/ontology/SNOMEDCT/260413007
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life cycle habit
- URI: http://purl.obolibrary.org/obo/TO_0002725
- Definition: Determined for type of life cycle being annual, biennial, perennial etc.
- Comment: The life cycle habit indicates the typical duration of an individual plant's life. Common values are annual, biennial, and perennial. Some plants have different durations depending on environment or location, so a plant can have more than one value.
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perennial
- URI: http://purl.obolibrary.org/obo/FLOPO_0980073
- Definition: Of plant duration, a plant whose life span extends over more than two growing seasons, c.f. annual, biennial, ephemeral, 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/glossaryi_p.html#perennial
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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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U.S. Virgin Islands
- URI: http://www.geonames.org/4796775
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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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roots
- URI: http://purl.obolibrary.org/obo/PO_0009005
- Definition: root: A plant axis (PO:0025004) that is part of a root system (PO:0025025).
- Comment: Ontology Description: http://purl.obolibrary.org/obo/po.owl Ontology Source: http://www.plantontology.org/
- Attribution: [database_cross_reference: POC:curators]
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none
- URI: http://purl.bioontology.org/ontology/SNOMEDCT/260413007
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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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monolete
- URI: http://eol.org/schema/terms/monolete
- Definition: spores bearing a single linear scar, indicating that they were arranged in a tetragonal spore tetrad
- Attribution: https://www.ucl.ac.uk/GeolSci/micropal/spore.html
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Known occurrences, collected specimens and observations of whisk fern. View this species on GBIF

Smithsonian Institution, National Museum of Natural History, Department of Botany cc-by-nc-sa-3.0