Polystichum dubium (Karsten) Diels [ Cyrtomium dubium (Karsten) R.M. Tryon & A.F. Tryon]

vol. 27 (1991)

p. 39 f. 9

name cited:
Cyrtomium dubium (Karsten) R.M. Tryon & A.F. Tryon
name cited (basionym):
Phegopteris dubia Karsten
name recognized:
Polystichum dubium (Karsten) Diels
name recognized (basionym):
Phegopteris dubia Karsten

drawing: Z. Dabich

family: Dryopteridaceae
subfamily: Dryopteridoideae
tribe: Dryopterideae

epithet: dubius,-a,-um

Illustration contributed by:

link to this page:
https://www.plantillustrations.org/illustration.php?id_illustration=489815

synonyms:

homotypic synonyms:
Cyrtomium dubium (Karsten) R.M. Tryon & A.F. Tryon; Phegopteris dubia Karsten; Polypodium dubium (Karsten) Hook.;