the root (no rank)
Bacteria (domain)
Cyanobacteria (phylum)
Nostocales (order)
Nostocaceae (family)
Anabaena (genus)
[hide inferior taxa]
Anabaena azollae (species)
Anabaena circinalis (species)
Anabaena cylindrica (species)
Anabaena flos-aquae (species)
Anabaena lemmermannii (species)
Anabaena oscillarioides (species)
Anabaena sp. (species)
Anabaena variabilis (species)