Please cite this data as follows, and pay attention to the rights documented in the rights.txt:
Please respect the rights declared for each dataset in the download: 
UK National Biodiversity Network: National Trust - Hatfield Forest species data held by The National Trust.
UK National Biodiversity Network: Scottish Wildlife Trust - Commissioned surveys and staff surveys and reports for SWT reserves. 
UK National Biodiversity Network: Staffordshire Ecological Record - SER Site-based Surveys
UK National Biodiversity Network: Suffolk Biological Records Centre - Suffolk Biological Records Centre (SBRC) dataset
UK National Biodiversity Network: South East Wales Biodiversity Records Centre - CCW Regional Data : South East Wales Non-sensitive Species Records
UK National Biodiversity Network: BTCV Scotland - BTCV wildlife counts recording workshops
UK National Biodiversity Network: National Trust - Ickworth species data held by The National Trust.
UK National Biodiversity Network: John Muir Trust - Knoydart Lichens, 1990
UK National Biodiversity Network: Merseyside BioBank - Merseyside BioBank Active Naturalists (unverified)
UK National Biodiversity Network: Staffordshire Ecological Record - SER Species-based Surveys
UK National Biodiversity Network: Countryside Council for Wales - Lichens of Conservation Concern - Site Data, Wales
UK National Biodiversity Network: Cambridgeshire & Peterborough Biological Records Centre - Cambridge Lichen group data held by CPBRC. 
UK National Biodiversity Network: Rotherham Biological Records Centre - Rotherham Biological Records Centre - Non-sensitive Records from all taxonomic groups
UK National Biodiversity Network: Dr Francis Rose Field Notebook Project - Field Notebook Records of Dr Francis Rose 1950's to 1990's
UK National Biodiversity Network: Highland Biological Recording Group - HBRG Fungus, Lichen and Lower Plants Dataset
UK National Biodiversity Network: Dorset Environmental Records Centre - Dorset SSSI Species Records 1952 - 2004 (Natural England)
UK National Biodiversity Network: National Trust for Scotland - NTS Properties Species Records 1800-2013
UK National Biodiversity Network: British Lichen Society - BLS Lichen Database: England
UK National Biodiversity Network: John Muir Trust - A Lichen Survey of the Ben Nevis Plateau
UK National Biodiversity Network: British Lichen Society - BLS Lichen Database: Wales
UK National Biodiversity Network: Merseyside BioBank - North Merseyside Other Taxa (unverified)
UK National Biodiversity Network: British Lichen Society - BLS Lichen Database: Scotland
UK National Biodiversity Network: National Trust - Wicken Fen nature reserve species data held by The National Trust
UK National Biodiversity Network: John Muir Trust - List of Lichen Species recorded on high ground in the Ben Nevis range
UK National Biodiversity Network: Shropshire Ecological Data Network - Shropshire Ecological Data Network Database
UK National Biodiversity Network: Joint Nature Conservation Committee - Marine Nature Conservation Review (MNCR) and associated benthic marine data held and managed by JNCC
UK National Biodiversity Network: Humber Environmental Data Centre - Humber Environmental Data Centre - Non Sensitive Records from all taxonomic groups
UK National Biodiversity Network: Seil Natural History Group - SNHG Biological Records Dataset
UK National Biodiversity Network: Royal Horticultural Society - RHS monitoring of native and naturalised plants and animals at its gardens and surrounding areas
UK National Biodiversity Network: Sheffield Biological Records Centre - Sheffield Biological Records Centre- Non-sensitive Records from all taxonomic groups. 
UK National Biodiversity Network: British Lichen Society - BLS Mapping Scheme dataset, 1750-2009
UK National Biodiversity Network: Cambridgeshire & Peterborough Environmental Records Centre - CPERC Recorders day at Waterbeach barracks and airfield
UK National Biodiversity Network: British Lichen Society - BLS Rare and Threatened Lichen Records: Wales
UK National Biodiversity Network: Bristol Regional Environmental Records Centre - BRERC October 2009
UK National Biodiversity Network: Marine Biological Association - Marine Life Survey Data (collected by volunteers) collated by <i>MarLIN</i>
UK National Biodiversity Network: British Lichen Society - BLS Lichen Database: English churchyards
UK National Biodiversity Network: Cumbria Biodiversity Data Centre - Cumbria Biodiversity Data Centre. Fungi and Lichen Observation Records. Pre-2010 for Cumbria.
UK National Biodiversity Network: Hertfordshire Biological Records Centre - Hertfordshire Lichen Orchard Survey 2011
UK National Biodiversity Network: Countryside Council for Wales - Marine data from Countryside Council for Wales (CCW) Technical Support (Research & Monitoring) Contracts, Wales
UK National Biodiversity Network: North & East Yorkshire Ecological Data Centre - North and East Yorkshire Ecological Data Centre - Non-sensitive Records from all taxonomic groups. 
UK National Biodiversity Network: Countryside Council for Wales - Welsh Invertebrate Database (WID)
UK National Biodiversity Network: EcoRecord - Fungi & Lichen records held by EcoRecord for the Birmingham and the Black Country area collated prior to March 2013
UK National Biodiversity Network: Marine Conservation Society - Seasearch Marine Surveys 
UK National Biodiversity Network: British Lichen Society - BLS Rare and Threatened Lichen Records: England
UK National Biodiversity Network: Scottish Natural Heritage - Marine Nature Conservation Review (MNCR) and associated benthic marine data held and managed by Scottish Natural Heritage
UK National Biodiversity Network: British Lichen Society - BLS Lichen Database: Welsh churchyards
UK National Biodiversity Network: Wiltshire and Swindon Biological Records Centre - Wiltshire & Swindon Site-based Survey Records