Introduction. Following on from work on the European bryophyte Red List, the taxonomically and nomenclaturally updated spreadsheets used for that project have been expanded into a new checklist for the bryophytes of Europe. Methods. A steering group of ten European bryologists was convened, and over the course of a year, the spreadsheets were compared with previous European checklists, and all changes noted. Recent literature was searched extensively. A taxonomic system was agreed, and the advice and expertise of many European bryologists sought. Key results. A new European checklist of bryophytes, comprising hornworts, liverworts and mosses, is presented. Fifteen new combinations are proposed. Conclusions. This checklist provides a snapshot of the current European bryophyte flora in 2019. It will already be out-of-date on publication, and further research, particularly molecular work, can be expected to result in many more changes over the next few years.

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This is a temperate-boreal northern hemisphere species, in tropical regions known only from the East African mountains, and extending down to South Africa (Blockeel et al., 2006c). In East Africa it was first reported [as Neckera complanata (Hedw.) Huebener var. maxima Dixon] from Kenya (Mt Kenya, at 3000 m) by Dixon (1918), and it also occurs in the Taita Hills (Mbololo, at 1650 m) in the SE part of the country (Bytebier & Chuah-Petiot, 2002). It was reported from Tanzania (Mt Meru, at 2375 m) by Blockeel et al. (2003). The South African collections came from much lower altitudes (400 and 450 m). The African specimens reported by Bytebier & Chuah-Petiot (2002), Blockeel et al. (2003, 2006c) were all epiphytic. The present Ugandan specimens were collected on rocks. Altitude (4100 m) is given on only one of the two specimens, but as both were collected the same day, the other one probably comes from an approximately similar altitude. They do not represent Dixon's (1918) var. maxima, as the shoots are less than 5 cm long; in var. maxima they were up to 15 cm long. The leaves in the Ugandan specimens are slightly narrower than is typical for the species, but otherwise the specimens agree well with the rather variable A. complanata.

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