Definition: number of homologous sets of chromosomes in the nucleus or primary chromosome-containing compartment of the cell, each set essentially coding for all the biological traits of the organism.
Known occurrences, collected specimens and observations of Surirella striatula var. halophila S. Blanco, I. Alvarez-Blanco & C. Cejudo-Figueiras 2012. View this species on GBIF