TY - BOOK ID - 135587108 TI - Cytological observations on Indian subcontinent and Chinese Dryopteris and Polystichum (Pteridophyta: Dryopteridaceae) PY - 1985 PB - London British Museum DB - UniCat UR - https://www.unicat.be/uniCat?func=search&query=sysid:135587108 AB - ER -