1. Estudios en la flora de Macaronesia: algunos números de cromosomas II;Botánica Macaronésica,1976
2. Systematics, cytogenetics and evolution in Crepis;Botanical Review,1942
3. Chromosomes and phylogeny in Crepis. II. The relationships of one hundred and eight species;University of California Publications in Agricultural Sciences,1934
4. Il gruppo di Dianthus rupicola Biv. Nel Mediterraneo centrale;Informatore Botanico Italiano,2001
5. Cytotaxonomical notes on Allium grosii Font Quer from Ibiza (Balearic islands);Candollea,1992