J. Klemm: Beiträge zu einer Algenflora der Umgegend v. Greifswald. 73 
3) Häufigkeitstabelle, 
aufgestellt nach den Zahlen für 1 cbm Wasser. 
Datum 
20. 9.12 
4. 10. 12 
28.10.12 
23.11.12 
7. 12. 12 
19.12.12 
14. 4. 18 
26. 4. 13 
cc 
16 
05 
23. 5. 13 
7. 6.13 
26.6. 13 
cc 
26. 7. 13 
12. 8.13 
cc 
00 
ei 
8. 9. 13 
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lastogloia . . . 
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mphora.... 
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