Aufeis glades are common along creeks, lasting to July (left) and leaving only 1(-2) months for moss growth in August (right). Locality 4, ca. 600 m a.s.l. Photo of M.S. Ignatov (2015). Dry rocks are rich in rare xerophytic moss species, for example, Indusiella thianschanica Broth. & Müll. Hal., Didymodon johansenii (R.S. Williams) H.A. Crum, Grimmia tergestina Tomm. ex Bruch & Schimp., Pterygoneurum ovatum (Hedw.) Dixon and Didymodon vinealis (Brid.) R.H. Zander