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 squamosa Gillies ex Hook. & Grev., Icon. Filic. t. 151. 1829. Range: — Bolivia ( CH , CO, LP, TA) and Argentina . Ecology: — Uncommon; saxicolous in arid intermontane valleys; 1500–3700 m . Notes: — Segments oblong, densely scaly abaxially, with narrow hairlike scales adaxially; rhizome scales bright red-brown, flat. The “piliform scales” ( Tryon & Stolze 1989 ) on the adaxial surface of the blades are hairlike scales, to five cells wide at the base.