Back to Medium sized version | With labels Tetrasporangia of red algae
 Legend:
1 thallus
3 mature tetraspore
2 early tetraspore
English name: Polysiphonia sp.
Scientific name: Polysiphonia sp.
Familia: Rhodomelaceae
Classis: Rhodophyceae
Phylum: Rhodophyta
Regnum: Protista
Tetrasporangia of red alga. After meiosis within the tetrasporangium 4 haploid tetraspores arise which grow to an independent male or female gametophyte | 
