A unique crystalline wall layer in the cyanobacterium Microcystis marginata.
D002462:Cell Membrane / Q000648:ultrastructure; D002473:Cell Wall / Q000648:ultrastructure; D003460:Crystallization; D005614:Freeze Fracturing; D046931:Microcystis / Q000648:ultrastructure*; D012430:Ruthenium Red; D013194:Staining and Labeling
D012430:Ruthenium Red