The following is a list of vascular plants, bryophytes and lichens which were regarded as rare species by the authors of British Plant Communities, together with the communities in which they occur.
Vascular plants
Bryophytes
Mosses Side-fruited crisp-moss Pleurochaete squarrosa CG7 Curving feather-moss Scorpiurium circinatum CG1 Golden bog-moss Sphagnum pulchrum M1, M2 Neat crisp-moss Tortella nitida CG1
Liverworts Greater pawwort Barbilophozia lycopodioides U6
Lichens Bacidia muscorum CG7 Buellia epigaea CG7 Diploschistes scruposus var. bryophilus CG7 Fulgensia fulgens CG7 Lecidea decipiens CG7 Squamaria lentigera CG7 Toximia caerulea var. nigricans CG7 Toximia lobulata CG7