Plagiochila simplex (Sw.) Lindenb.

Silva, Jainara Pereira, Oliveira-da-Silva, Fúvio Rubens, Ilkiu-Borges, Anna Luiza & Fernandes, Rozijane Santos, 2021, Leafy liverworts of Chapada das Mesas National Park: a floristic survey and checklist of the leafy liverworts of Maranhão state, Brazil, Check List 17 (1), pp. 479-495 : 489

** Plagiochila simplex (Sw.) Lindenb.

Figure 3P

Material examined. BRAZIL • Maranhão, município de Carolina, Parque Nacional Chapada das Mesas, Pedra Caída–Cachoeira Pedra Furada, rupícola; 07°03′S, 047 °

28′ W; alt. 200 m; 7 Feb. 2020; JAS Silva 578; CCAA 2352.

Identification. Plants green to brownish, irregularly branched, branches predominantly intercalary. Leaves distant to subimbricate, frequently caducous, oblongsubrectangular, 1.5‒2 × longer than wide; apex rounded, margin toothed by 3‒10 spinose teeth, teeth 2–6 cells long; ventral base not ampliated, slightly recurved, short decurrent, dorsal leaf base short decurrent; median cells isodiametric, trigones narrowly radiate, cuticle smooth.

Description and illustration. Gradstein and Ilkiu- Borges (2009: 35, fig. 19g –i).

Figures

Figure 3. Leafy liverworts of the Chapada das Mesas National Park; A. Frullania intumescens; B. Frullania platicalyx; C. Frullania rio-janeirensis; D. Ceratolejeunea cubensis; E. Cheilolejeunea acutangula; F. Cheilolejeunea adnata var.adnata; G. Cheilolejeunea intertexta; H. Cheilolejeunea trifaria; I. Lejeunea juruana; J. Lejeunea quinqueumbonata; K. Metalejeunea cucullata; L. Zoopsidella integrifolia; M. Zoopsidella macella; N. Lophocolea bidentata; O. Plagiochila raddiana; P. Plagiochila simplex (Scale bar: A-B, F-G, P= 20 µm; C-D, H-O= 100 µm; E= 300 µm).