Prodromus of a fern flora for Bolivia. XXVII. Pteridaceae Author Kessler, Michael Systematic Botany, University of Zurich, Zollikerstrasse 107, CH- 8008 Zurich, Switzerland Author Smith, Alan R. University Herbarium, 1001 Valley Life Sciences Bldg. # 2465, University of California, Berkeley, CA 94720 - 2465 Author Prado, Jefferson Instituto de Botânica, Av. Miguel Estéfano, 3687, CEP 04301 - 902, São Paulo, SP, Brasil text Phytotaxa 2017 2017-12-22 332 3 201 250 http://dx.doi.org/10.11646/phytotaxa.332.3.1 journal article 10.11646/phytotaxa.332.3.1 1179-3163 Cheilanthes pruinata Kaulf., Enum. Filic. 210. 1824. Range: —Northern Peru and Bolivia ( CH , CO, LP, OR, PO, TA) to northern Chile and central Argentina . Ecology: —Very common; saxicolous and terrestrial in cliffs, rock crevices, and among rocks in arid regions; (1200–) 2500–4500 m . Notes: —Blades narrow, linear, 2-pinnate-pinnatifid to 3-pinnate; segments narrow, to 1 mm wide, fingerlike; rhizome scales dark red-brown; rachises densely short-hairy. Herbarium specimens often have shiny, almost varinshed (glutinous) adaxial blade surfaces.