1.
Sterrenburg FA, Tiffany MA, Hinz F, Herwig WE, Hargraves PE.

Seven new species expand the morphological spectrum of Haslea. A comparison with Gyrosigma and Pleurosigma (Bacillariophyta)

. Phytotaxa [Internet]. 2015 May 8 [cited 2025 Dec. 5];207(2):143–162. Available from: https://phytotaxa.mapress.com/pt/article/view/phytotaxa.207.2.1