44.1. The name of a species or of an infraspecific taxon published before 1 January 1908 is validly published if it is accompanied only by an illustration with analysis (as defined in Art. 42.4).
Ex. 1. Panax nossibiensis Drake (1896) was validly published on a plate with analysis.
44.2. Single figures of non-vascular plants showing details aiding identification are considered as illustrations with analysis (see also Art. 42.4).
Ex. 2. Eunotia gibbosa Grunow (1881), a name of a diatom,
was validly published by provision of a figure of a single valve.