Dryopteris expansa (C.Presl) Fraser-Jenk. et Jermy

Family: Dryopteridaceae オシダ科 > Genus: Dryopteris Adans. オシダ属
GreenList Taxon ID: 801

Accepted name

Dryopteris expansa (C.Presl) Fraser-Jenk. et Jermy

シラネワラビ

Basionym and homotypic synonym(s)

Nephrodium expansum C.Presl, Reliq. Haenk. 1(1): 38, 1825. BHL Tropicos
≡ Dryopteris expansa (C.Presl) Fraser-Jenk. et Jermy, Fern Gaz. 11(5): 338, 1977. BHL Tropicos

Type information in the protologue:

(in Nootka - Sund)

Digitized type material:

Herbarium & Reg. No.	Type status	Collector & No.	Locality	Coll. date
PRC450777	Lectotype	Haenke,T.P.X., #s.n. [s.d.]	In Sinu Nootka

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

Lastrea dilatata (Hoffm.) C.Presl var. alpina T.Moore, Ferns Gr. Brit. (pl. 22), 1856. BHL Tropicos
≡ Dryopteris assimilis S.Walker, Amer. J. Bot. 48(7): 607, 1961. Link Tropicos
≡ Dryopteris spinulosa (O.F.Müll.) Watt subsp. assimilis (S.Walker) Schidlay, Fl. Slov. 2: 217, 1966. Link Tropicos
≡ Dryopteris expansa (C.Presl) Fraser-Jenk. et Jermy subsp. assimilis (S.Walker) Tzvelev, Sosud. Rast. Sovet. Dal'nego Vostoka 5: 54, 1991.

Type information in the protologue:

([no info])

Digitized type material:

Herbarium & Reg. No.	Type status	Collector & No.	Locality	Coll. date
K001080840	Holotype?	Moore, T., #s.n.	Great Britain Ben Lawers, Perthshi

Aspidium dilatatum (Hoffm.) Sm. var. oblongum Milde, Mem. Soc. Bot. France 1: 41, 1905. BHL Tropicos
≡ Dryopteris dilatata (Hoffm.) A.Gray var. oblonga （Milde) Takeda, Bot. Mag. (Tokyo) 24(283): 179, 1910. BHL
≡ Dryopteris siranensis Nakai, Bull. Natl. Sci. Mus. 33: 3, 1953. Tropicos

Type information in the protologue:

Soulie s.n. (Thibet or.: Tse-kou, Haut-Mekong, 1893)

Dryopteris austriaca (Jacq.) Woynar ex Schinz. et Thell. var. orientalis Fomin, Fl. URSS 1: 32, 1934. BHL

Type information in the protologue:

(Far East)

Dryopteris austriaca auct. non (Jacq.) Woynar ex Schinz. et Thell., Vierteljahrsschr. Naturf. Ges. Zürich 60: 339, 1915. Tropicos

Information on ploidy level and reproductive mode

Chromosome number	Ploidy level	Reproductive mode	Locality	Reference
n=41	2x	sex	Yasyajin-toge, Yamanashi Pref.	Hirabayashi 1969a (J. Jap. Bot. 44: 85-95)
n=41	2x	sex	Sugadaira, Nagano Pref.	Mitui 1970 (J. Jap. Bot. 45: 84-90)
n=41	2x	sex	Azusayama, Nagano Pref.	Hirabayashi 1974 (Cytogeographic Studies on Dryopteris of Japan )