Index to
Ferns and Lycophytes of Japan

Family: Thelypteridaceae ヒメシダ科 > Genus: Thelypteris Adans. ヒメシダ属
GreenList Taxon ID: 388

Accepted name

Thelypteris angustifrons (Miq.) Ching

コハシゴシダ

Basionym and homotypic synonym(s)

Aspidium angustifrons Miq., Ann. Mus. Bot. Lugduno-Batavi 3(6): 178, 1867. BHL Tropicos
Thelypteris angustifrons (Miq.) Ching, Bull. Fan Mem. Inst. Biol., Bot. 6(5): 318, 1936. Tropicos
Lastrea miqueliana Tagawa, Acta Phytotax. Geobot. 15(1): 14, 1953. Link Tropicos
Parathelypteris angustifrons (Miq.) Ching, Acta Phytotax. Sin. 8(4): 302, 1963. Tropicos

Type information in the protologue:
Buerger (Japonia)
Digitized type material:
Herbarium & Reg. No. Type status Collector & No. Locality Coll. date
L0052432Holotype?Bürger, H, #s.n.Japonia

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

Athyrium cystopteroides D.C.Eaton var. elatius D.C.Eaton, Proc. Amer. Acad. Arts 4: 110, 1858. BHL Tropicos
Thelypteris glanduligera (Kunze) Ching var. elatior (D.C.Eaton) Sa.Kurata, Enum. Jap. Pterid. 317, 343, 1961. Tropicos
Parathelypteris glanduligera (Kunze) Ching var. elatior (D.C.Eaton) Nakaike, Ill. Pterid. Jap. 8: 429, 1997.

Type information in the protologue:
(Ousima, katonasima, and Anakerima, Loo Choo islands)
Digitized type material:
Herbarium & Reg. No. Type status Collector & No. Locality Coll. date
YU000757HolotypeCharles Wright, #s.n.Ousima, Katonasima, and Anakerima, Loo Choo Islands1853--1856

Information on ploidy level and reproductive mode

Chromosome number Ploidy level Reproductive mode Locality Remarks Reference
2n=1626xWakayama, Fukuoka, KagoshimaNakato 1998a (J. Jap. Bot. 73: 314-318)
2n=1646xFukuokahyper-6x, spore normalNakato 1998a (J. Jap. Bot. 73: 314-318)
2n=813xirrAmami-oshima Isl.Nakato 2002 (Acta Phytotax. Geobot. 53: 63-76)
2n=1074xirrAmami-oshima Isl.hypo-4x, spore irregularNakato 2002 (Acta Phytotax. Geobot. 53: 63-76)
2n=1626xKyushu (incl. Amami-oshima Isl.),Kochi, Wakayama, Shizuokaspore normalNakato 2002 (Acta Phytotax. Geobot. 53: 63-76)
2n=164; 6xFukuokahyper-6x, spore normalNakato 2002 (Acta Phytotax. Geobot. 53: 63-76)