M. Schultz: Beiträge zu einer Algenflora d. Umgegend v. Greifswald. 149 
Diatomaceae. 
Salz- 
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Epithemia turgida (Ehrb.) 
Kg. var. Westermanni 
(Ehrb.) Grün. 
Epithemia sorex Kg. . . 
Epithemia zebra (Ehrb.) 
Kg. 
Epithemia zebra (Ehrb.) 
Kütz. var. proboscidea 
Grün. 
Rhopalodia gibba (Ehrb.) 
0. Müller . 
Rhopalodia gibba (Ehrb.) 
0. Müller var. ventri- 
cosa (Ehrb.) Grün. . . 
Rhopalodia gibberula 
(Ehrb.) 0. Müller var. 
producta Grün. . . . 
Gomphonema constric- 
tum Ehrenb. 
Gomphonema constric- 
tum Ehrb. var. curta 
Grün. 
Gomphonema constric- 
tum Ehrb. var. capi- 
tatum. 
Gomphonema parvulum 
(Kg.) V. H. 
Gomphonema angustatum 
(Kg.) Grün. 
Gomphonema gracile 
Ehrb. 
Gomphonema gracile 
Ehrb. var. dichotomum 
W. Sm. 
Gomphonema olivaceum 
(Lyngb.) Kg. 
Gomphonema intricatum 
Kg. 
Gomphonema lanceola- 
tum Ehrb. 
Gomphonema montanum 
Schum. 
Gomphonema montanum 
Schum, var. subcla- 
vata Grün. 
Gomphonema acumina- 
tum Ehrb. var. coro- 
nata (Schmidt) . . . 
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