Staurastrum arcuatum var. subavicula (West) Coesel & Meesters :: AlgaeBase
Middle Aptian Biostratigraphy and Ammonoids of the Northern Caucasus and Transcaspia - Document - Gale Academic OneFile
Middle Aptian Biostratigraphy and Ammonoids of the Northern Caucasus and Transcaspia - Document - Gale Academic OneFile
3: Structure of the Federal Ministry of Environment and Tourism
Staurastrum Meyen ex Ralfs 1848 media - Encyclopedia of Life
28-31. Staurastrum elongatum var. elongatum f. pentagona; 30, 31. vista
a. Staurastrum leptocladum. b. Staurastrum orbiculare. c. S. orbiculare
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