Index to
Ferns and Lycophytes of Japan

Family: Cystopteridaceae ナヨシダ科 > Genus: Cystopteris Bernh. ナヨシダ属
GreenList Taxon ID: 306

Accepted name

Cystopteris fragilis (L.) Bernh.

ナヨシダ

Basionym and homotypic synonym(s)

Polypodium fragile L., Sp. Pl. 2: 1091, 1753. BHL Tropicos
Filix fragilis (L.) Gilib., Exerc. Phyt. 558, 1792. Link Tropicos
Cyathea fragilis (L.) J.Sm., Mém. Acad. Roy. Sci. (Turin) 5: 417, 1793. BHL Tropicos
Aspidium fragile (L.) Sw., J. Bot. (Schrader) 1800(2): 40, 1801. Link Tropicos
Athyrium fragile (L.) Spreng., Anleit. Kenntn. Gew. 3: 129, 1804. Link Tropicos
Cystopteris fragilis (L.) Bernh., Neues J. Bot. 1(2): 27, 1806[1805]. BHL Tropicos
Cyclopteris fragilis (L.) Gray, Nat. Arr. Brit. Pl. 2: 9-10, 1821. BHL Tropicos
Cystea fragilis (L.) Sm., Engl. Fl. 4: 285, 1828. BHL Tropicos
Cyste fragilis (L.) Dulac, Fl. Hautes-Pyrinies 33, 1867. BHL Tropicos

Type information in the protologue:
(Europae)
Designated type:
Lectotype - [Amman 52] () [LINN [1251.51]] designated by E. B. Copeland in Univ. Calif. Publ. Bot. 16: 56, 1929.
Digitized type material:
Herbarium & Reg. No. Type status Collector & No. Locality Coll. date
LINN-HL1251-51LectotypeAmmann, Johann, #51Unknown

Heterotypic synonym(s) and/or incorporated taxa (forma or lower)

Cystopteris fragilis (L.) Bernh. var. intermedia Nakai, Tennenkinenbutu-chousahoukoku Bot. 12: 11, 1930. Link

Type information in the protologue:
([no info])

Information on ploidy level and reproductive mode

Chromosome number Ploidy level Reproductive mode Locality Remarks Reference
n=1266xsexMt.Nyugasayama, Yamanashi Pref.Mitui 1970 (J. Jap. Bot. 45: 84-90)
n=ca.402xsexMt. Toyoguchiyama, Nagano Pref.misidentification? see Woodsia glabella Mitui 1970 (J. Jap. Bot. 45: 84-90)