Neotrichocoleaceae Explained

Neotrichocoleaceae is a family of liverworts in order Ptilidiales. It is closely related to the genera Ptilidium and Herzogianthus.

Phylogeny

The diagram at left summarizes a portion of a 2006 cladistic analysis of liverworts based upon three chloroplast genes, one nuclear gene, and one mitochondrial gene.^[1] ^[2] The genus Trichocoleopsis was not included in the original broad analysis, but it is the sister taxon of Neotrichocolea according to a more narrowly focussed study utilizing six chloroplast genes, two nuclear genes, and a mitochondrial gene.^[3]

The genus Ptilidium is sister to the Trichocoleopsis-Neotrichocolea clade. The genus Herzogianthus is also believed to be related to this group,^[4] although it was not included in either molecular analysis. This combined clade, in turn, attaches at the base of a large clade (2600 species) designated "Leafy II". That clade, together with "Leafy I" (another 1800 species) and Pleurozia constitute the Jungermanniales, as traditionally defined.

Notes and References

Forrest. Laura L. . Christine E. Davis . David G. Long . Barbara J. Crandall-Stotler . Alexandra Clark . Michelle L. Hollingsworth. 2006. Unraveling the evolutionary history of the liverworts (Marchantiophyta): multiple taxa, genomes and analyses. The Bryologist. 109. 3. 303–334. 10.1639/0007-2745(2006)109[303:UTEHOT]2.0.CO;2. 85912159 .
Davis. E. Christine. 2004. A Molecular Phylogeny of Leafy Liverworts (Jungermanniidae: Marchantiophyta). Molecular Systematics of Bryophytes. Monographs in Systematic Botany. 98. 61–86. Missouri Botanical Garden Press.
Yang. Liu. Yu Jia . Wei Wang . Chen Zhi-Duan . Davis, Christine E. . Qiu Yin-Long . 2008. Phylogenetic relationships of two endemic genera from East Asia: Trichocoleopsis and Neotrichocolea (Hepaticae). Annals of the Missouri Botanical Garden. 95. 3. 459–470. 0026-6493. 10.3417/2006071. 84011902 .
Crandall-Stotler . B. . R. E. Stotler . D. G. Long . 2009 . Phylogeny and Classification of the Marchantiophyta . Edinburgh Journal of Botany . 66 . 155–198 . 10.1017/s0960428609005393.