Euastrum dubium Nägeli
Reference: Coesel & Meesters 2007
Remarks: Specimens are often classified on the fly as var. ornatum Wołoszyńska when the apical incision is deeper en narrower than the nominate variety, but the whole ornamentation should be examined before making a distinction between the two varieties.
C0667
2011006022
C0667
2011009033
C0667
2011009034
2011006-022
Front view
Netherlands
2011009-033
Front view
Netherlands
2011009-034
Front view
Netherlands