van De Vijver, B., Tusset, E., Williams, D. M., & Ector, L. (2020).

Analysis of the type specimens of Fragilaria alpestris (Bacillariophyta) with description of two new ‘araphid’ species from the sub-Antarctic and Arctic Region

. Phytotaxa, 471(1), 1–15. https://doi.org/10.11646/phytotaxa.471.1.1