Registration Id: http://phycobank.org/104467

published in: Hassall, A.H. 1845: A history of the British freshwater algae, including descriptions of the Desmideae and Diatomaceae. With upwards of one hundred plates, illustrating the various species: Vol. I. [Text], pp. [i]-viii, [i]-462, [ i , err.]. Vol. II. [Plates] [1]-24, pls 1-103 (pl. 55 as LVI’). – London, Edinburgh, Paris, Leipzig: S. Highley, H. Baillière; Sunderland & Knox; J.B. Baillière; T.O. Weigel: 440, t. CIII [103], fig. 1, 2