| Penium margaritaceum (1) | 
									
									
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										| Penium margaritaceum  (1) focus plane on the  granulated cell wall. | 
									
									
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									  | Penium margaritaceum; focus plane on the lobed chloroplast. Also visible is the granulated cell wall. (2) | 
								  
									
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										| location (1): Wahner Heide near Cologne, NRW; Germany; Sphagnum - pond | 
									
									
										| Habitat (1): detritus | 
									
									
									  | Date (1): 15.06.2010 | 
							  
									
									  
									    
									      
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									        Location (2): Nature reserve NSG Heiliges Meer, NRW, Germany, Kleinweiher Welps ("location 2") (2);  | 
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									        | Habitat (2): plankton with detritus (1); (click to enlarge >>>>) | 
								           
									      
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									        | Date (2):14.11.2021  | 
								           
									      
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