1. Plant nomenclature;Barnhart J. H.;J. Bot.,1922
2. Gender of generic names;Bullock A. A.;Taxon,1958
3. Grammatical objections to the international rules of botanical nomenclature, adopted at Cambridge in 1930;Danser B. H.;Blumea,1935
4. Orthography;Deighton F. C.;Taxon,1958
5. International code of botanical nomenclature, adopted by the Fourteenth International Botanical Congress, Berlin, July‐August 1987;Greuter W.;Regnum Veg.,1988