38.1. In order to be validly published, a name of a new
taxon of fossil plants of specific or lower rank published on
or after 1 January 1912 must be accompanied by an illustration
or figure showing the essential characters, in addition to the
description or diagnosis, or by a reference to a previously and
effectively published illustration or figure.
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© by International Association for Plant Taxonomy. This page last updated Sept. 25, 1997.