The chloroplast genome of Phacus orbicularis (Euglenophyceae): an initial datum point for the phacaceae
A new form of Phacus curvicauda Swirenko 1915 (Euglenophyta) and a critical review on its size and structure
O gênero Phacus (Euglenophyceae) em lago urbano subtropical, no Jardim Botânico de Porto Alegre, Rio Grande do Sul, Brasil
Cryptoglena, Monomorphina and Phacus (Euglenophyceae) of a reservoir in the State of Rio Grande do Sul, southern Brazil