Nostocaceae

Nostocaceae (Nostocaceae) is a family of organisms sharing recent common ancestry and similar characteristics. It contains 18 genuss with 154 known species. Key genus groups include Anabaena, Anabaenopsis, Aulosira, Calothrix, Cuspidothrix, and Cylindrospermum. Among its members, 1 species are currently classified as threatened (Critically Endangered, Endangered, or Vulnerable). It belongs to Cyanobacteriales (Cyanobacteriales).