Subject ASC00004c2

Hardwicke's science-gossip : an illustrated medium of interchange and gossip for students and lovers of nature.
v. 17 (1881), Page 125 (1881)
MBLWHOI Library
BHL Page 1972985

Keywords

leaf sigillaria Sigillaria fossil plant extinct restored leaflet impressions of leaves left on bark section stem portion of cylinder spore-bearing arborescent tree-like plant lycopodiophyte early Permian period Isoetopsida

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