ŠKALOUD, Pavel, Jana STEINOVÁ, Tereza RÍDKÁ, Lucie VANCUROVÁ, & Ondrej PEKSA 2015 (online May 4) Assembling the challenging puzzle of algal biodiversity: species delimitation within the genus Asterochloris (Trebouxiophyceae, Chlorophyta) J. Phycol. 51(3): 507-527, 8 figs. isolated from lichens; incl. report of sexual reproduction