Lepidotis appears to be the same, it is nevertheless new. So when in 1983, Josef Holub transferred the species to Pseudolycopodium, the name in that genus is cited as Pseudolycopodium densum (Rothm.) Holub., the basionym being the replacement name Lepidotis densa Rothm. not the illegitimate replaced synonym Lycopodium densum Labill. See also Glossary of scientific naming Nomen dubium Nomen conservandum Nomen nudum Nomen oblitum References External links International Code of Zoological Nomenclature (ICZN) (only English version, the French version is not online) Latin biological phrases Zoological nomenclature Botanical nomenclature Biological classification