Staurastrum sexangulare (Bulnheim) P. Lundell
Reference: Bulnheim 1861
Reference: Bulnheim 1861
Remarks: Originally described as Didymocladon sexangularis.
From the Schwemm in Austria two forms were collected. A large 6- and 7-radiate form, indicated below as forma A, and a smaller 5-radiate form, indicated below as forma B, with more flattened cells and the two whorls of processes more fused together at their basis.
From the Schwemm in Austria two forms were collected. A large 6- and 7-radiate form, indicated below as forma A, and a smaller 5-radiate form, indicated below as forma B, with more flattened cells and the two whorls of processes more fused together at their basis.
Forma A (7-radiate)
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| 2014050-029 Front view Austria |
2014050-029 Front view Austria Accessory process |
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| 2014050-029 Front view Austria |
2014050-029 Front view Austria Focus on the rear side |
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| 2014050-029 Apical view Austria Upper whorl of the upper semicell |
2014050-029 Apical view Austria Lower whorl of the upper semicell |
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| 2014050-029 Apical view Austria Lower whorl of the lower semicell |
2014050-029 Apical view Austria Upper whorl of the lower semicell with an accessory process |
Forma A (6-radiate)
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| 2014050-024 Front view Austria |
2014050-024 Front view Austria |
2014050-024 Front view Austria |
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| 2014050-030 Apical view Austria Upper whorl of the upper semicell |
2014050-030 Apical view Austria Lower whorl of the upper semicell |
2014050-030 Apical view Austria Lower whorl of the lower semicell |
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| 2014050-030 Apical view Austria Upper whorl of the lower semicell |
Forma B (5-radiate)
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| 2018036-004 Front view Austria |
2018036-004 Front view Austria |
2018036-004 Front view Austria |
2018036-004 Front view Austria |
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| 2018036-004 Front view Austria |
2018036-004 Front view Austria Focus on the rear side |
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| 2018035-012 Apical view Austria |
2018035-012 Apical view Austria |
2018035-012 Apical view Austria Infected with with fungal parasites |
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| 2018035-012 Apical view Austria |
2018035-012 Apical view Austria |