wollea wollea wollea is a genus of filamentous, heterocystous cyanobacteria that form macroscopic colonies in freshwater habitats. the genus produces akinetes and is known to reproduce with hormogonia. wollea scientific classification domain: bacteria phylum: cyanobacteria class: cyanophyceae order: nostocales family: nostocaceae genus: wolleabornet & flahault, 1886 species wollea bharadwajae wollea cylindrica wollea lamnae wollea lemnae wollea saccata the type species for the genus is wollea saccata (wolle) bornet & flahault, 1886.