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H.12.1. Subordinate taxa within nothospecies may be recognized without an obligation to specify parent taxa at the subordinate rank. In this case non-hybrid infraspecific categories of the appropriate rank are used.
H.12.2. Names published at the rank of nothomorph 1 are treated as having been published as names of varieties (see Art. 50).
(c) 2006, by International Association for Plant Taxonomy. This page last updated 19.03.2007 .