Ceratolejeunea cornuta (Lindenb.) Schiffn., 2014

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 : 485

* Ceratolejeunea cornuta (Lindenb.) Schiffn.

Material examined. BRAZIL • Maranhão, município de Carolina, Parque Nacional Chapada das Mesas, Cachoeira do Dodô , rupícola; 07°05′S, 047°26′W; alt. 234 m; 5 Feb. 2020; JAS Silva 514; CCAA 2349 .

** Ceratolejeunea cubensis (Mont.) Schiffn. Figure 3D

Material examined. BRAZIL • Maranhão, município de

Carolina, Parque Nacional Chapada das Mesas, Rio Laje, Cachoeira Ponta da Serra, sobre rochas; 06°58′S, 047° 22′W; alt. 228 m; 11 Mar. 2017; JAS Silva 50; CCAA 1718. Identification. Plants green to brown. Ventral merophyte of 2 cells wide. Leaves imbricate, ovate, apex rounded to widely acute, ± plane to ± incurved, margin entire to toothed near the apex; median cells isodiametric; ocelli usually 2(‒8), suprabasal. Lobules ovate, 1/3‒1/5 lobe length, rarely reduced, apical teeth short, falcate. Underleaves distant, bifid, ovate, usually longer than large, (2‒)3 × stem width, base rounded, apex acute, margin ± entire.

Description and illustration. Dauphin (2003:48–52, fig. 21); Gradstein and Ilkiu-Borges (2009: 58, fig. 32d–f).

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).