On the question of the species definition of the fern Coniopteris from spores
Foreign title:
O voprosy o vidovom Opredelenmii Paporotnika Coniopteris po sporam
Reference:
Pavlov,V.V. (1959)
On the question of the species definition of the fern Coniopteris from spores [ O voprosy o vidovom Opredelenmii Paporotnika Coniopteris po sporam ] Nauchno-Issledovatelskii Institut Geologii Arktiki,Sbornik Statey po Geologii i Gidrogeologii,Min.Geokhrany Nedr SSR
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