Cosmarium transitorium F. Ducellier
Reference: Ducellier 1918
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Front view
Austria
C0500
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Front view
Austria
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Side view
Austria
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C1000
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Apical view
Austria
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Apical view
Austria
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Detail
Austria
Pore pattern on the top of the semicell
All photos copyright: © 2009-2020 Alfred van Geest - Send comments to asvg@xs4all.nl