Index to
Ferns and Lycophytes of Japan

Family: Dryopteridaceae オシダ科 > Genus: Dryopteris Adans. オシダ属
GreenList Taxon ID: 847

Accepted name

Dryopteris saxifraga H.Itô

イワイタチシダ

和名別名: イワベニシダ


Basionym and homotypic synonym(s)

Dryopteris saxifraga H.Itô, Bot. Mag. (Tokyo) 50(591): 125, 1936. Link Tropicos
Dryopteris varia (L.) Kuntze subsp. saxifraga (H.Itô) Sugim. , Keys Herb. Pl. Jap. Pterid. 405, 1966. Tropicos
Dryopteris varia (L.) Kuntze var. saxifraga (H.Itô) H.Ohba, Sci. Rep. Tôhoku Univ., Ser. 4, Biol. 36(1-2): 111, 1971. Tropicos

Type information in the protologue:
B. Hayata F3 (Honsyu: Kai et Suruga: mt. Huzisan) [herbarium not indicated (holo)]

Information on ploidy level and reproductive mode

Chromosome number Ploidy level Reproductive mode Locality Remarks Reference
n=412xsexShirayasawa, Saitama Pref.Hirabayashi 1967 (J. Jap. Bot. 42: 44-48)
n=412xsexShirayasawa, Saitama Pref.Mitui 1975 (Bull. Nippon Dental Coll., General Edu. 4: 221-271)
?2xsexAkita Pref.; Eta, Fukushima Pref.; Yusenkyo, Yamagata Pref.; Shimonita, Gunma Pref.; Naguri-mura, Saitama Pref.; Uchiyamakyo, Nagano Pref.Lin et al. 1995 (J. Plant Res. 108: 451-456)
2n=822xsexfrom Saitama to YamagataLin et al. 2003 (Pteridology in the New Millennium 217–231)