Taxon: Claytosmunda claytoniana (L.) Metzgar & Rouhan

Summary

Genus:

Claytosmunda

Family:

Osmundaceae

Nomen number:

480785

Place of publication:

J. Syst. Evol. 54:594. 2016

Verified:

06/08/2018 ARS Systematic Botanists.

Accessions:

3 (3 active, 0 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

Autonyms (not in current use), synonyms and invalid designations

Basionym
Osmunda claytoniana L.

No images

Conservation Status

Reference(s)

Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
Faust, A. & R. L. Petersen. 2015. Longevity of interrupted fern colonies. SouthE. Naturalist 14:203-209.
FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
Iwatsuki, K. et al. 1993-. Flora of Japan.
Komarov, V. L. et al., eds. 1934-1964. Flora SSSR.
Metzgar, J. S. et al. 2008. The paraphyly of Osmunda is confirmed by phylogenetic analyses of seven plastid loci. Syst. Bot. 33:31-36. www.aspt.net/systematic-botany
Walters, S. M. et al., eds. 1986-2000. European garden flora.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).

Common names

Language	Name	seq	Citation
English	interrupted fern	1	FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
Japanese Rōmaji	oni-zenmai	2	Iwatsuki, K. et al. 1993-. Flora of Japan.
Swedish	kronsafsa	2	Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)

Distribution

order_code	Status	Continent	Subcontinent	Country	State	Note	Reference
1	Native	Asia-Temperate	China	China	Guizhou Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Temperate	China	China	Sichuan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Temperate	China	China	Yunnan Sheng		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Temperate	Eastern Asia	Japan	Honshu		Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Temperate	Eastern Asia	Korea			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Temperate	Eastern Asia	Taiwan			Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).
1	Native	Asia-Temperate	Russian Far East	Russian Federation	Primorye		Komarov, V. L. et al., eds. 1934-1964. Flora SSSR.
1	Native	Northern America	Eastern Canada	Canada	New Brunswick		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Eastern Canada	Canada	Newfoundland and Labrador		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Eastern Canada	Canada	Nova Scotia		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Eastern Canada	Canada	Ontario		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Eastern Canada	Canada	Prince Edward Island		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Eastern Canada	Canada	Québec		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	North-Central U.S.A.	United States	Illinois		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	North-Central U.S.A.	United States	Iowa		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	North-Central U.S.A.	United States	Minnesota		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	North-Central U.S.A.	United States	Missouri		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	North-Central U.S.A.	United States	Wisconsin		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Northeastern U.S.A.	United States	Connecticut		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Northeastern U.S.A.	United States	Indiana		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Northeastern U.S.A.	United States	Maine		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Northeastern U.S.A.	United States	Massachusetts		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Northeastern U.S.A.	United States	Michigan		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Northeastern U.S.A.	United States	New Hampshire		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Northeastern U.S.A.	United States	New Jersey		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Northeastern U.S.A.	United States	New York		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Northeastern U.S.A.	United States	Ohio		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Northeastern U.S.A.	United States	Pennsylvania		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Northeastern U.S.A.	United States	Rhode Island		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Northeastern U.S.A.	United States	Vermont		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Northeastern U.S.A.	United States	West Virginia		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Southeastern U.S.A.	United States	Arkansas		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Southeastern U.S.A.	United States	Georgia		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Southeastern U.S.A.	United States	Kentucky		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Southeastern U.S.A.	United States	Maryland		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Southeastern U.S.A.	United States	North Carolina		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Southeastern U.S.A.	United States	Tennessee		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Southeastern U.S.A.	United States	Virginia		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
1	Native	Northern America	Western Canada	Canada	Manitoba		FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
2	Cultivated					also cult.	Walters, S. M. et al., eds. 1986-2000. European garden flora.

Native
Asia-Temperate

RUSSIAN FAR EAST: Russian Federation [Primorye]
CHINA: China [Guizhou Sheng, Sichuan Sheng, Yunnan Sheng]
EASTERN ASIA: Korea, Japan [Honshu], Taiwan

Northern America

EASTERN CANADA: Canada [Québec, Nova Scotia, Ontario, Prince Edward Island, New Brunswick, Newfoundland and Labrador]
WESTERN CANADA: Canada [Manitoba]
NORTHEASTERN U.S.A.: United States [Connecticut, Indiana, Maine, Massachusetts, Michigan, New Hampshire, New Jersey, New York, Ohio, Pennsylvania, Rhode Island, Vermont, West Virginia]
NORTH-CENTRAL U.S.A.: United States [Illinois, Iowa, Minnesota, Missouri, Wisconsin]
SOUTHEASTERN U.S.A.: United States [Arkansas, Georgia, Kentucky, Maryland, North Carolina, Tennessee, Virginia]

Cultivated (also cult.)

Reference(s)

FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
FNA Editorial Committee. 1993. Flora of North America. 2:108-109.
Komarov, V. L. et al., eds. 1934-1964. Flora SSSR.
Walters, S. M. et al., eds. 1986-2000. European garden flora.
Wu Zheng-yi & P. H. Raven et al., eds. 1994-. Flora of China (English edition).

Economic Uses

Usage	Type	Note	Reference
Environmental	ornamental	rarely cultivated in the United States	FNA Editorial Committee. 1993. Flora of North America. 2:108-109.

Cite as: USDA, Agricultural Research Service, National Plant Germplasm System. 2026. Germplasm Resources Information Network (GRIN Taxonomy). National Germplasm Resources Laboratory, Beltsville, Maryland.
URL: https://npgstest.ars-grin.gov/gringlobal/taxon/taxonomydetail?id=480785. Accessed 12 May 2026.