Deparia petersenii
{{Short description|Species of fern}}
{{Speciesbox
| image = Deparia petersenii frond.jpg
| image_caption =
| genus = Deparia
| species = petersenii
| authority = (Kunze) M.Kato
}}
Description
File:Deparia petersenii sori.jpg
Deparia petersenii, commonly known as the Japanese lady fern, is a species of fern that generally grows between {{convert|12 and 24|inch}} in length and has a width of between {{convert|12 and 18|inch}}. This fern does not have any flowers and can be easily identifiable having gray hairs that grow on the underside of the leaves.{{Cite web|url=http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=v540|title=Deparia petersenii - Plant Finder|website=www.missouribotanicalgarden.org|access-date=2019-11-16}} This perennial fern is an aggressive fast growing invasive species known for long rhizomes and ability to form a thick ground cover. D. petersenii is sometimes cultivated and can be purchased online because it is not regulated or prohibited.{{Cite web|url=https://www.cabi.org/isc/datasheet/113835#tosummaryOfInvasiveness|title=Deparia petersenii subsp. petersenii (Petersen's lady fern)|website=www.cabi.org|access-date=2019-11-16}}
Distribution
This species has a large distribution in East Asia (Southwest, South Central and East China, Taiwan, South Korea, southern Japan, Bonin and Volcano Islands), South Asia (India, Sri Lanka, Pakistan, Bhutan, Nepal) and Southeast Asia south to Australia, New Zealand and Polynesia.Kato, M. (1977). In: Bot. Mag. (Tokyo) 90(1017): 37
Beyond its native range, D. petersenii is considered an invasive species in Madeira, the Azores, southeastern USA, the Hawaiian Islands, southeastern Brazil and Réunion. In the United States, it is present throughout Louisiana, Mississippi, Florida, Arkansas, Georgia, and Hawaii with less than fifty sightings between the six states according to the Invasive Plant Atlas of the United States.{{Cite web|url=https://www.invasiveplantatlas.org/subject.html?sub=5530|title=Japanese false spleenwort: Deparia petersenii (Polypodiales: Dryopteridaceae): Invasive Plant Atlas of the United States|website=www.invasiveplantatlas.org|access-date=2019-11-16}}
References
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External links
- {{Cite web |url=http://www.missouribotanicalgarden.org/PlantFinder/PlantFinderDetails.aspx?kempercode=v540 |title=Deparia petersenii |publisher=Missouri Botanical Garden}}
- {{Cite web |url=https://www.invasiveplantatlas.org/subject.html?sub=5530 |title=Japanese false spleenwort |publisher=Invasive Plant Atlas of the United States}}
- {{Cite web |url=https://www.cabi.org/isc/datasheet/113835#tosummaryOfInvasiveness |title=Deparia petersenii subsp. petersenii (Petersen’s lady fern): Summary of Invasiveness |work=Invasive Species Compendium (ISC) |publisher=Centre of Agriculture and Biosciences International (CABI)}}
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{{Polypodiales-stub}}