A strain of this species has been isolated from a drinking water reservoir in Brazil (Ceará State) and found to produce the saxitoxin variant GTX1 (Borges et al. 2015). The strain was identified by morphological as well as molecular methods
Borges, H.L.F., Branco, L.H.Z., Martins, M.D., Lima, C.S., Barbosa, P.T., Lira, G.A.S.T., Bittencourt-Oliveira, M.C. & Molica, R.J.R. (2015). Cyanotoxin production and phylogeny of benthic cyanobacterial strains isolated from the northeast of Brazil. <em>Harmful Algae 43: 46-57.</em>