On Chytridium braun, Diplochytridium N. G., and Canteria N. G. (Chytridiales)
- John S. Karling
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The operculate genus Chytridium Braun is emended and restricted to approximately 25 known species and several incompletely known members which lack an apophysis and develop much like species of Rhizophydium, insofar as the zoosporangium and absorbing or rhizoidal system are concerned, and form endobiotic or intramatrical resting spores. This interpretation corresponds fairly closely to Braun's diagnosis of the type species.
A new genus, Diplochytridium, is established to segregate the former Chytridium species with an endobiotic or intramatrical apophysis or prosporangium and resting spores, which may develop sexually or asexually. Some of these species have a well-defined endo-exogenous alternation of growth and development in which the apophysis appears to function as a prosporangium. As interpreted here, Diplochytridium includes approximately 20 of the known species.
Another new genus, Canteria, is created for a parasite of Mougeotia which Canter first described as a species of Phlyctidium but later found to develop endobiotic resting spores or zygospores by the fusion of conjugation tubes.
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- On Chytridium braun, Diplochytridium N. G., and Canteria N. G. (Chytridiales)
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Volume 76, Issue 2 , pp 126-131
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- John S. Karling (1)
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- 1. Dept. of Biological Sciences, Purdue University, Lafayette, Indiana, USA