Fig. 4 in New insights into the phylogeny and relationships within the worldwide genus Riccardia (Aneuraceae, Marchantiophytina)

Fig. 4. Afroriccardia comosa (Steph.) Reeb & Gradst. comb. nov. A. Habit of the thallus, Wigginton U5039a, Reeb & Andriamanantena CR13Z28. B. Ventral face showing the wide insertion of rhizoids, DeLisle 220. C. Cross section of main axis showing variability in the thickening of cell walls, Reeb & Andriamanantena CR13Z28, holotype G0045027. D. Cross section of ultimate branch, holotype G0045027. E. Detail of female branch with dense cluster of rhizoids, holotype G0045027. Scale bars: A–B = 1 mm; C = 100 µm.Published as part of Lucile Rabeau, S. Robbert Gradstein, Jean-Yves Dubuisson, Martin Nebel, Dietmar Quandt & Catherine Reeb, 2017, New insights into the phylogeny and relationships within the worldwide genus Riccardia (Aneuraceae, Marchantiophytina), pp. 1-26 in European Journal of Taxonomy 273 on page 13, DOI: 10.5852/ejt.2017.273, http://zenodo.org/record/85187