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 Adiantum camptorachis Sundue, J.Prado & A.R.Sm., Amer. Fern J. 100(4): 196(–201), fig. 1–2. 2011 . Range: —Southern Bolivia (CO, SC, TA), northwestern and central Argentina . Ecology: —Uncommon, terrestrial, restricted to the Tucumano-Boliviano forests; 3000–3600 m . Notes: —For additional comments on this species, see Sundue et al . (2010) . This species belongs to the group of Adiantum poiretii ( Hirai et al. 2016 ) , a clade with generally long-creeping rhizomes, glabrous or sparsely hairy rachises, and orbiculate pinnules with stalks 3–5 mm long, color of stalks passing into pinnule bases. Adiantum camptorachis is sparsely villous along veins abaxially, hairs 0.5–1.0 mm long, whitish, slightly tortuous, spreading; veins end in sinuses at pinnule margins.