Species delimitation in the recalcitrant moss genus Rhynchostegiella (Brachytheciaceae)

J.P. was funded by the Spanish “Ministerio de Economia y Competitividad” through the Juan de la Cierva Program – Incorporation (IJCI-2014-19691). The project “Lista Roja de los Briofitos de las Islas Canarias” funded by the Canary Islands Government (P1042004-028) provided support to J.P, J.M.G.-M. and A.V