Danaea (subg. Arthrodanaea) geniculata Raddi, Opusc. Sci.

Tuomisto, Hanna, Kessler, Michael & Smith, Alan R., 2018, Prodromus of a fern flora for Bolivia. VIII. Marattiaceae, Phytotaxa 344 (1), pp. 64-68 : 66

Danaea (subg. Arthrodanaea) geniculata Raddi, Opusc. Sci. 3: 281. 1819.

Range: —Greater Antilles; southern Mexico to Bolivia (CO, SC) and southeastern Brazil.

Ecology: —Fairly common; terrestrial in humid forests, usually along streams or on steep slopes; 200–700 m in Bolivia, to 1300 m elsewhere .

Notes: —Specimens belonging to this species have traditionally been referred to Danaea elliptica Sm. , together with most specimens of subg. Arthrodanaea ( Smith et al. 1999, Tuomisto & Moran 2001). However, the type specimen of D. elliptica is a juvenile of D. nodosa (L.) Sm., which renders the former name a synonym of the latter ( Christenhusz & Tuomisto 2006). Danaea geniculata is the oldest name that is available to replace D. elliptica for plants in this group, and is used here for the Bolivian material that is not referable to D. arbuscula or any of the other recently described segregate species. However, the type of D. geniculata is from the Atlantic forests of southeastern Brazil, and the species limits in this complex remain to be clarified. The possibility exists that there is an as yet undescribed species in Bolivia.