Taxon: Adiantum tenerum Sw.

Summary

Genus:

Adiantum

Family:

Pteridaceae

Nomen number:

401926

Place of publication:

Prodr. 135. 1788

Verified:

04/14/1995 ARS Systematic Botanists.

Accessions:

1 (0 active, 0 available) in National Plant Germplasm System. (Map it)

Other conspecific taxa

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

Autonym(s)
Adiantum tenerum Sw. var. tenerum

Heterotypic Synonym(s)
Adiantum tenerum Sw. var. farleyense (T. Moore) André

No images

Conservation Status

Reference(s)

Aldén, B., S. Ryman, & M. Hjertson. 2012. Svensk Kulturväxtdatabas, SKUD (Swedish Cultivated and Utility Plants Database; online resource)
APHIS. Agricultural Risk Management System United States Department of Agriculture.
Davidse, G. et al., eds. 1994. Flora mesoamericana.
FNA Editorial Committee. 1993-. Flora of North America. 2:127.
Howard, R. 1974-1989. Flora of the lesser Antilles.
Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
Lellinger, D. B. 1989. The ferns and fern-allies of Costa Rica, Panama, and the Chocó (Part 1: Psilotaceae through Dicksoniaceae). Pteridologia 2A:155.
León, B. et al. 2012. Los helechos ornamentales en el Perú (The ornamental ferns of Peru) Note: Ministerio de Agricultura, Lima. Peru, and Museo de Historia Natural U.N.M.S.M.
Mickel, J. T. & A. R. Smith. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88:1-1054. 39.
Mickel, J. T. & J. M. Beitel. 1988. Pteridophyte Flora of Oaxaca, Mexico. Mem. New York Bot. Gard. 46:28.
Porcher, M. H. et al. Searchable World Wide Web Multilingual Multiscript Plant Name Database (MMPND) (on-line resource).
Proctor, G. R. 1985. Ferns of Jamaica. A guide to the pteridophytes British Museum (Natural History), London, United Kingdom.
Proctor, G. R. 1989. Ferns of Puerto Rico and the Virgin Islands. Mem. New York Bot. Gard. 53:144.
Rogers, G. 1998. The history and classification of the Farley fern, Adiantum tenerum 'Farleyense'. Amer. Fern J. 88:32-46.
Walters, S. M. et al., eds. 1986-2000. European garden flora.

Common names

Language	Name	Alternate name	note	seq	Citation
English	brittle maidenhair			1	Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
Swedish	finadiantum			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	Northern America	Northern Mexico	Mexico	Nuevo León		Mickel, J. T. & A. R. Smith. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88:1-1054. 39.
1	Native	Northern America	Northern Mexico	Mexico	San Luis Potosí		Mickel, J. T. & A. R. Smith. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88:1-1054. 39.
1	Native	Northern America	Northern Mexico	Mexico	Tamaulipas		Mickel, J. T. & A. R. Smith. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88:1-1054. 39.
1	Native	Northern America	Southeastern U.S.A.	United States	Florida		FNA Editorial Committee. 1993-. Flora of North America. 2:127.
1	Native	Northern America	Southern Mexico	Mexico	Campeche		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Northern America	Southern Mexico	Mexico	Chiapas		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Northern America	Southern Mexico	Mexico	Guanajuato		Mickel, J. T. & A. R. Smith. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88:1-1054. 39.
1	Native	Northern America	Southern Mexico	Mexico	Guerrero		Mickel, J. T. & A. R. Smith. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88:1-1054. 39.
1	Native	Northern America	Southern Mexico	Mexico	Hidalgo		Mickel, J. T. & A. R. Smith. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88:1-1054. 39.
1	Native	Northern America	Southern Mexico	Mexico	Oaxaca		Mickel, J. T. & A. R. Smith. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88:1-1054. 39.
1	Native	Northern America	Southern Mexico	Mexico	Puebla		Mickel, J. T. & A. R. Smith. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88:1-1054. 39.
1	Native	Northern America	Southern Mexico	Mexico	Quintana Roo		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Northern America	Southern Mexico	Mexico	Tabasco		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Northern America	Southern Mexico	Mexico	Veracruz de Ignacio de la Llave		Mickel, J. T. & A. R. Smith. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88:1-1054. 39.
1	Native	Northern America	Southern Mexico	Mexico	Yucatán		Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Caribbean	Bahamas			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	Barbados			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	Dominica			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	Guadeloupe			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	Jamaica			Proctor, G. R. 1985. Ferns of Jamaica. A guide to the pteridophytes British Museum (Natural History), London, United Kingdom.
1	Native	Southern America	Caribbean	Martinique			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	Montserrat			Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	Trinidad and Tobago			Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Caribbean	United States	Puerto Rico		Howard, R. 1974-1989. Flora of the lesser Antilles.
1	Native	Southern America	Caribbean	United States	Virgin Islands, U.S.
1	Native	Southern America	Central America	Belize			Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Costa Rica			Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	El Salvador			Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Guatemala			Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Honduras			Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Central America	Nicaragua			Davidse, G. et al., eds. 1994. Flora mesoamericana.
1	Native	Southern America	Northern South America	Venezuela			Davidse, G. et al., eds. 1994. Flora mesoamericana.
2	Cultivated					also cult.	Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening

Native
Northern America

SOUTHEASTERN U.S.A.: United States [Florida]
NORTHERN MEXICO: Mexico [Nuevo León, San Luis Potosí, Tamaulipas]
SOUTHERN MEXICO: Mexico [Campeche, Chiapas, Guanajuato, Guerrero, Hidalgo, Oaxaca, Puebla, Quintana Roo, Tabasco, Veracruz de Ignacio de la Llave, Yucatán]

Southern America

CARIBBEAN: Bahamas, Barbados, Dominica, Guadeloupe, Jamaica, Montserrat, Martinique, Trinidad and Tobago, United States [Puerto Rico, Virgin Islands, U.S.]
CENTRAL AMERICA: Belize, Costa Rica, Guatemala, Honduras, Nicaragua, El Salvador
NORTHERN SOUTH AMERICA: Venezuela

Cultivated (also cult.)

Reference(s)

Davidse, G. et al., eds. 1994. Flora mesoamericana.
FNA Editorial Committee. 1993-. Flora of North America. 2:127.
Howard, R. 1974-1989. Flora of the lesser Antilles.
Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
Mickel, J. T. & A. R. Smith. 2004. The pteridophytes of Mexico. Mem. New York Bot. Gard. 88:1-1054. 39.
Proctor, G. R. 1985. Ferns of Jamaica. A guide to the pteridophytes British Museum (Natural History), London, United Kingdom.

Economic Uses

Usage	Type	Note	Reference
Environmental	ornamental		Huxley, A., ed. 1992. The new Royal Horticultural Society dictionary of gardening
Environmental	ornamental		Walters, S. M. et al., eds. 1986-2000. European garden flora.

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=401926. Accessed 12 May 2026.