Andreaea barbarae (Andreaeaceae, Bryophytina), a new moss species from Lesotho Author Cerrejón, Carlos Department of Molecular Biology and Biochemical Engineering, Universidad Pablo de Olavide, carretera de Utrera km 1, ES- 41013, Seville, Spain. Author Maguilla, Enrique Department of Molecular Biology and Biochemical Engineering, Universidad Pablo de Olavide, carretera de Utrera km 1, ES- 41013, Seville, Spain. Author Quandt, Dietmar Author Muñoz, Jesús Author Luceño, Modesto Department of Molecular Biology and Biochemical Engineering, Universidad Pablo de Olavide, carretera de Utrera km 1, ES- 41013, Seville, Spain. text Phytotaxa 2018 2018-01-30 336 2 148 158 http://dx.doi.org/10.11646/phytotaxa.336.2.2 journal article 10.11646/phytotaxa.336.2.2 1179-3163 13720254 Key to African species of Andreaea sect. Andreaea 1. Leaf bistratose ................................................................................................................................................................ A. bistratosa - Leaf unistratose, rarely with some bistratose patches in the apical tiers............................................................................................2 2. Fertile spores more than 32.3 μm in diameter; leaf apex obtuse to rounded; upper leaf cells very thin-walled; non-dehiscent part of the capsule as long as to longer than dehiscent part......................................................................................................... A. barbarae - Fertile spores less than 30.5 μm in diameter; leaf apex subacute, acute or acuminate, rarely obtuse; upper leaf cells more or less thick-walled; non dehiscent part of the capsule shorter than dehiscent part......................................................................................3 3. Upper leaf cells collenchymatous and pitted................................................................................................................. A. mildbraedii - Upper leaf cells not collenchymatous nor pitted................................................................................................................................4 4. Leaves obovate or panduriform widest above the middle, apex obtuse to subacute….................................................... A. cucullata - Leaves linear-lanceolate to ovate, occasionally panduriform, widest below the middle, apex acute to acuminate...........................5 5. Leaves not papillose or with low papillae in the dorsal side................................................................................................... A. firma - Leaves with high papillae in the dorsal side.......................................................................................................................................6 6. Vegetative leaves narrowly linear to lanceolate, scarcely different from perichaetial leaves .................................... A. tsaratananae - Vegetative leaves lanceolate to ovate, very different from perichaetial ones.................................................................. A. borbonica