All of the data used to calculate these rankings come from the British Lichen Society's lichens on trees spreadsheet of all trees and lichens in the UK.
(1) Ranking of the most abundant lichens (top 100) on all Oaks in UK; this is data recorded by recorders for lichens on Quercus species where the specific is
(2) Ranking of lichen abundance on Quercus robur, Pendunculate Oak; many more records for Q. robur this will contained in list (1) but are not separable out as Q. robur records
(3) Ranking of lichen abundance on Quercus petraea, Sessile Oak; many more records for Q. petraea this will contained in list (1) but are not separable out as Q. petraea records
(4) Ranking of lichen abundance on Quercus ilex, Holm Oak; many more records for Q. ilex this will contained in list (1) but are not separable out as Q. ilex records