The arctic soil and wetland microflora is composed mainly of species from Cyanobacteria, Chrysophyceae, Xanthophyceae, Bacillariophyceae, Chlorophyceae, Charophyceae, Ulvophyceae, and Zygnemaphyceae.    From Wordnik.com.  [Implications of current species distributions for future biotic change in the Arctic] Reference

GSII sequences were isolated from four species of green algae (Trebouxiophyceae), and additional green algal (Chlorophyceae and Prasinophytae) and streptophyte (Charales.    From Wordnik.com.  [BioMed Central - Latest articles] Reference