TABLE 2 in Morphological and molecular evidence for a new species, Mannia gradsteinii sp. nov. (Aytoniaceae) from southwestern China

TABLE 2. — Morphological comparisons of Mannia gradsteinii sp. nov., M. gracilis (F.Weber) D.B.Schill & D.G.Long and M. triandra (Scop.) Grolle.
Mannia gradsteinii sp. nov.M. gracilis (F.Weber) D.B.Schill & D.G.LongM. triandra (Scop.) GrolleNo. of air chamber layers2-4 layers1 layer2-3 layersAir pore (diameter)(72)136-204 μm20-35 μm8.7-46.4 μmVentral scale colorhyaline to pale purplishred-purplepurple with sometimes paler marginsVentral scalesnot reaching beyond thallus edgenot reaching beyond thallus edgereaching beyond thallus edgePseudoperianthabsentpresentabsentSpore (SEM)47-57 μm55-70 μm55-75 μmSpore shapetriletealetetrileteSpore distal surface3-6 areolae across diameter3-6 irregular incomplete areolae across diameter4-7 areolae across diameter