New Zealand Journal of Botany abstracts
A new species of Saprolegnia (Saprolegniales, Straminipila), from
a polluted Argentine channel
Mónica Mirta Steciow
Lorena Alejandra Elíades
Instituto de Botánica Spegazzini
53 N° 477
(1900) La Plata
Buenos Aires, Argentina
Abstract Saprolegnia variabilis sp. nov. is
described from litter (floating twigs, leaves, and roots) in a artificial
polluted channel, near a petroleum refinery, in Buenos Aires Province, Argentina.
The species is illustrated and compared with other species of the genus.
It differs from S. australis in having mature subcentric oospores;
the oogonia and the oospores are larger and more variable in shape and size,
and the number of oospores is greater. The oogonial stalks are also variable
in length and the zoosporangia are very much longer.
Keywords Straminipila; Saprolegnia; Argentina;
systematics
B01055 Received 5 November 2001; accepted 3 July 2002; published 28 November
2002
New Zealand Journal of Botany, 2002, Vol. 40: 679-685
0028-825X/02/4004-0679 $7.00 © The Royal Society of New Zealand
2002
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