National botanical societies
Botanical Society of Britain & Ireland https://bsbi.org/
The Wild Flower Society https://www.thewildflowersociety.com/
Plantlife https://www.plantlife.org.uk/uk
Local natural history societies
Natural History Society of Northumbria http://www.nhsn.ncl.ac.uk/
Darlington & Teesdale Naturalists’ Field Club https://www.dtnfc.org/
Carlisle Natural History Society http://www.carlislenats.org.uk/
Yorkshire Naturalists Union https://www.ynu.org.uk/
Local wildlife trusts
Durham Wildlife Trust https://durhamwt.com/
Cumbria Wildlife Trust https://www.cumbriawildlifetrust.org.uk/
Yorkshire Wildlife Trust https://www.ywt.org.uk/
Public sector conservation organisations
North Pennines AONB Partnership http://www.northpennines.org.uk/
Natural England https://www.gov.uk/government/organisations/natural-england
Teesdale land-owning estates
Raby Estates https://www.raby.co.uk/
Strathmore Estates
Facebook groups
Trust Facebook page: https://www.facebook.com/Dr-ME-Bradshaws-Teesdale-Special-Flora-Research-Conservation-Trust
Trust Facebook group: https://www.facebook.com/groups/TeesdaleFlora/
Moor House Upper Teesdale – Lydia to provide
Wild Flowers of Britain and Ireland https://www.facebook.com/groups/735961066428140/
CNHS ?