|INTERNATIONAL CODE OF BOTANICAL NOMENCLATURE online|
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.
38.2. For the name of a new species or infraspecific taxon of fossil plants published on or after 1 January 2001, at least one of the validating illustrations must be identified as representing the type specimen (see also Art. 9.13).
(c) 2006, by International Association for Plant Taxonomy. This page last updated 13.03.2007 .