Species names are in alphabetical order, liverworts and hornworts first and follow the current (2020) nomenclature cross-referenced to many older names that are still in widespread use in floras, keys and other publications.Further research - extensive research, given the hundreds of species of sphagnum moss and the tens of thousands of possible habitats within the narrow band of moist alpine tundra where it thrives - took Knighton to New Zealand, and a variety that traps bacteria and heavy metals without altering the water's hue or odor. However, with this proviso, we hope that you will find the spreadsheet useful – please download and add your own notes if you wish. It should be noted that this spreadsheet is Sharon and Nick’s personal assessment of the difficulties and other experienced bryologists might have a slightly different view of some of the ratings given. It is in part to address a criticism sometimes levelled at the Field Guide – that some accounts make it sound simpler to identify certain species than it actually is. The idea of this spreadsheet is to help less-experienced bryologists – or those going to an unfamiliar area – with hints on when specimens should be collected for confirmation, when capsules are required for identification etc. The current BBS Moss and Liverwort Recorders, Sharon Pilkington and Nick Hodgetts, have also put together a spreadsheet listing all the species currently recognised within Britain and Ireland (as of January 2021), giving each an ‘identification difficulty’ rating and with helpful notes for many. Individual species resources are included on the relevant Species page, and books are listed on the Bryophyte literature page. This page lists useful resources applicable to genera or groups of species. Introduction… and identification difficulty ratings
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