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Assessing Microalgal Morphology from Century-Old Herbarium Sheets using SEM

Published online by Cambridge University Press:  14 March 2018

E. W. Linton*
Affiliation:
Department of Plant Biology, Michigan State University, East Lansing, MI 48824 USA
M. A. Farmer
Affiliation:
Center for Advanced Ultrastructural Research, 105 Barrow Hall, The University of Georgia, Athens, GA 30602 USA
R. E. Triemer
Affiliation:
Department of Plant Biology, Michigan State University, East Lansing, MI 48824 USA

Extract

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Traditionally, type specimens have not been deposited for most unicellular algae. There are few known holotypes and those that are available are often of limited use. Samples from taxa described before 1900 commonly consist of materials dried down on herbarium sheets or mica. Dried algal samples can be rehydrated, but preservation is very poor and little structure can be determined from them. Whether wet or dry, the amount of information that can be derived from such samples using conventional light microscopy is limited.

Type
Research Article
Copyright
Copyright © Microscopy Society of America 2006