TY - BOOK AU - Fraser-Jenkins, C.R. TI - Himalayan ferns: a guide to polystichum SN - 8170892465 U1 - 587.3095496 21st ed. PY - 1997/// CY - Dehradun PB - International Book Distributors KW - Aspidiaceae KW - Ferns KW - Polystichum KW - Pteridophyta ER -