A. robusta sp. nov., a new species of Achlya (Saprolegniales, Straminipila) from a polluted Argentine channel.
Achlya robusta sp. nov. was found on litter (floating twigs, leaves, and roots) in an artificial polluted channel, near a petroleum refinery, in Buenos Aires province, Argentina. The species is described, illustrated and compared with other species of the genus. A. robusta produces mainly smooth and papillate, tuberculate or bullate oogonia and monoclinous antheridial branches. It develops spherical and subglobose oogonia, with the oogonial wall yellowish and containing mainly immature oospheres. The oospores are eccentric and ranging from (1) 4-17 (30) per oogonium.
Steciow
Mónica Mirta
MM
Instituto de Botánica Spegazzini, La Plata, Buenos Aires, Argentina. msteciow@museo.fcnym.unlp.edu.ar
Elíades
Lorena Alejandra
LA
D001118:Argentina; D025282:Mycelium / Q000302:isolation & purification; D009868:Oomycetes / Q000145:classification / Q000302:isolation & purification*; D013172:Spores, Fungal / Q000302:isolation & purification; D014876:Water Pollution / Q000032:analysis*