Cosmarium regnesi in Calvert Co., Maryland (Date obscured). (c) johnbotany, some rights reserved (CC BY-NC).
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Description
Cosmarium regnesi is a microscopic, unicellular green alga. The cells are divided across an isthmus into two mirrored parts called semicells. The semicells are each roughly rectangular with large granules at the angles and along some of the margins. Cosmarium regnesi is relatively small but quite distinct. It could be mistaken for an isolated cell of Teilingia.
Where To Find
Cosmarium regnesii is an infrequent component of the plankton and metaphyton of most freshwater lakes, ponds and wetlands.
Seasonality Snapshot
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Cosmarium regnesi in Calvert Co., Maryland (Date obscured). (c) johnbotany, some rights reserved (CC BY-NC).
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John Hall.