He was a specialist in the flora of Catalonia and Spain, and also of the Mediterranean regions, the North Atlantic islands of (Macaronesia) and also Brazil.
As a good disciple of Font i Quer he paid great attention to questions of botanical nomenclature.
Bolòs was also active throughout his life in the defense of the protection of the environment and the interests of future generations.
He was the author or co-author of the formal names of a number of phytosociological communities, together with those which appear with the official abbreviation O.Bolòs.
He was a Member of the Catalan Institute of Natural History, of the Academy of Sciences and Arts of Barcelona and the International Phytosociological Commission.