1. Karyotype analysis of the Patagonian Elymus;Dubcovsky;Bot. Gaz,1989
2. Leaf anatomy and subgeneric affiliations of C, and C, species of Suaeda (Chenopodiaceae) in North America;Fisher;Am. J. Bot,1997
3. Pollen morphology and evolution in the Persoonioideae, Sphalmioideae and Carnavonioideae (Proteaceae);Fleur;Pollen et Spores,1986
4. Cytotaxonomy and infraspecific variation of Agropyron smithii Rydb;Gillett;Can. J. Bot,1960
5. International code of botanical nomenclature (Saint Louis Code);Greuter;Adopted by the 16th Int. Botanical Congress St. Louis, Missouri, July- August 1999. Regnum Veg,2000