Harris, W.F. 1955 A manual of the spores of New Zealand Pteridophyta. Wellington: DSIR. DSIR Bulletin 116 187 p.
Abstract: This is a preliminary review of the spore forms of the contemporary "Cryptogamic Tracheophyta" with a view to ascertaining to what extent spore types are sufficiently characteristic of taxonomic or ecological groups to enable use to be made of spore counts in future investigations of peats, lignites and coals in this and other southern regions (auth)
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