PCA analysis of the tested specimens. Explanation: CHR – Christchurch herbarium, PC – Paris herbarium, BM – Natural History Museum Herbarium, MO – Missouri herbarium, Pn-s – Plagiothecium novae-seelandiae, Pl – Plagiothecium lamprostachys, Pf – Plagiothecium funale, F – complanate leaves, J – julaceaous leaves, W – data on P. funale based on literature analysis (Wynns 2015; Wynns et al. 2018), SEMI1, 10, 12, 13, 14, 17, 18 – P. semimortuum var. semimortuum, SEMI3, 4, 6 – P. semimortuum var. macquariense.