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 Pteris pearcei Baker, Ann. Bot. (Oxford) 5(18): 218. 1891 . Range: — Colombia , Venezuela , Ecuador , Peru , Bolivia (BE, LP), and northern Brazil . Ecology: —Rare (known from 2 collections); in montane forests; 950–1800 m . Notes: —Fronds 1-pinnate-pinnatifid; rachises non-alate; pinnae linear to narrowly lanceolate, pinnatifid on the basiscopic side; blades subcoriaceous; venation copiously areolate, 3–5 series of areoles between the costa and pinna margins and 2 or 3 series of areoles between costules and segment margins; hairs present on costae adaxially; awns absent on costae adaxially.