[1]
D.-P. Zhao, T. Tsegmed, and X.-L. Bai, “<i>Didymodon rigidulus</i> var. <i>subulatus</i> (Thér. & Bartram ex E.B. Bartram) R.H. Zander, new to the moss flora of Mongolia and Asia”, Bangladesh J. Plant Taxon, vol. 22, no. 1, pp. 63–66, Jun. 2015.