Khodosovtsev, Alexander Ye., Valeriy V. Darmostuk, Yakiv P. Didukh, and Igor O. Pylypenko. “‘Verrucario viridulae-Staurotheletum hymenogoniae’, a new calcicolous lichen community as a component of petrophytic grassland habitats in the Northern Black Sea region”. Mediterranean Botany, vol. 40, vol. 40, no. 1, 2019, pp. 21-32, doi: https://doi.org/10.5209/MBOT.62891.