Lophocolea bidentata

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 : 488-489

** Lophocolea bidentata (L.) Dumort.

Figure 3N

Material examined. BRAZIL • Maranhão, município de Carolina, Parque Nacional Chapada das Mesas, Rio

Farinha,sobrerochaspróximoàcachoeiraSãoRomão; 06° 59′S, 047°09′W; alt. 228 m; 13 Mar. 2017; JAS Silva 109; CCAA 1609.

Identification. Plants pale green. Leaves alternate, distant to subimbricate, symmetrical, bifid 1/5‒1/4 lobe length, with a broad acuminate, rounded sinus, acuminate lobes, uniseriate tips 3‒6 cells long, margin entire; median cells isodiametric, thin walled, trigones small, cuticle smooth. Underleaves distant, 1‒2 × stem width, bifid near the base, with a short or long tooth on outer margin.

Description and illustration. Gradstein and Ilkiu- Borges [2009: 37, fig. 21 c–e, as Chiloscyphus latifolius (Nees) J.J. Engel & R.M. Schust.].

Plagiochilaceae

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).