Cosmarium holmii Wille
Reference: Wille & Kolderup Rosenvinge 1887
Synonym: Cosmarium pseudoholmii Borge
Reference: Wille & Kolderup Rosenvinge 1887
Synonym: Cosmarium pseudoholmii Borge
Remarks: Cosmarium pseudoholmii differs only from Cosmarium holmii in having two pyranoids per semicell, instead of one.
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| 1989006-007 Front view Canada (YT) |
1989006-007 Side view Canada (YT) |
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| 1989006-008 Apical view Canada (YT) |
1989006-008 Apical view Canada (YT) |