A comparative list of fern pinna-traces, with some notes on the leaf-trace in the ferns
Davie, R. C.
Article
1918-04
Annals of botany
32
233--245
New York Botanical Garden, LuEsther T. Mertz Library
English
London, Academic Press [etc.],
DOI: https://doi.org/10.1093/oxfordjournals.aob.a089673
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