Reestablishing Dicranopteris spissa (Gleicheniaceae, Polypodiopsida) from synonymy, an endemic species from Brazil Author Lima, Lucas Vieira 0000-0003-1517-7100 lucaslima 1618 @ gmail. com; https: // orcid. org / 0000 - 0003 - 1517 - 7100 lucaslima1618@gmail.com Author Salino, Alexandre 0000-0003-0104-7524 https: // orcid. org / 0000 - 0003 - 0104 - 7524 text Phytotaxa 2022 2022-02-04 533 1 98 104 journal article 20778 10.11646/phytotaxa.533.1.7 5406c97c-1234-4dc2-ab91-4c8ba802e232 1179-3163 5974100 Key to the Brazilian species of Dicranopteris 1. Laminae glabrous abaxially, only with unicellular globose glandular hairs on the secondary veins................................ D. flexuosa - Laminae pubescent abaxially, with multicellular hairs or, when present, unicellular bacilliform glandular hairs on secondary veins ...................................................................................................................................................................................................2 2. Plants erect; fronds forked once (rarely twice); ultimate branches with caudate apex; accessory branches entire to slightly lobed at the base, dissimilar to the ultimate branches ...................................................................................................................... D. nervosa - Plants scrambling; fronds forked two to several times; ultimate branches with pinnatifid apex; accessory branches pinnatisect, similar to the ultimate branches..........................................................................................................................................................3 3. Segments patent to strongly retroflex (northern Brazil , Guiana Shield) ... Dicranopteris seminuda (Klotzsch) Maxon (1933: 140) - Segments ascendant, occasionally almost patent (southeast and northeast Brazil )............................................................................4 4. Segments with hairs restrict to the midrib base; secondary veins glabrous or with bacilliform glandular hairs .................. D. spissa - Segments with hairs all through the midrib; secondary veins with hairs........................................................................ D. rufinervis