Leucobryum laevifolium Broth., 1901

Oliveira, Regigláucia Rodrigues de, Oliveira, Hermeson Cassiano de, Fernandes Peralta, Denilson & Mendes da Coceição, Gonçalo, 2018, Acrocarpic mosses (Bryophyta) of Chapada das Mesas National Park, Maranhão, Brazil, Check List 14 (6), pp. 967-975 : 972

Leucobryum laevifolium Broth. ( Fig. 14)

Plants whitish to pale green in color, leaves grouped, costa reaching almost the leaf width, percurrent, smooth; outer walls of cells convex in crosssection of the apex region. Straight leaves differentiate this species from L. martianum , which has falcate leaves. Habitat: roots and tree trunks. Brazilian range: AM, MG, MT, RJ, RS, SC, SP.

Leucoloma tortellum (Mitt.) A. Jaeger ( Fig. 15) Distinguished by the long-lanceolate leaf, with oval

base, entire margin, crenulated in apical region, apex acute to obtuse, costae strong, upper cells pluripapillose, elongated at margin. Alar cells long-rectangular, smooth, inflated, forming auricles. Habitat: rocks. Brazilian range: AM, CE, MG, PA, RO, RR.