A young lime tree in the centre of a patch of grass on the SW side of the University Library is particularly rich in both foliose and fruticose lichens.
Preliminary species list:
- Candelaria concolor (branches and twigs)
- cf Candelariella reflexa (frequent on Lecanora thalli – not a normal substrate)
- Evernia prunastri (occasional – trunks and branches)
- Hypogymnia physodes (occasional – branches and trunks)
- Hypogymnia tubulosa (occasional – branches and trunks)
- Hypotrachyna revoluta (occasional – branches and trunks)
- Lecanora chlarotera (frequent on branches and trunk)
- Lecidella elaeochroma (occasional)
- Melanelixia glabratula (needs confirmation)
- Melanelixia subaurifera (needs confirmation)
- Parmelia sulcata (frequent)
- Parmotrema perlatum (occasional on trunks and larger branches)
- Physcia adscendens (common on smaller branches and twigs – never dominant)
- Physcia tenella (common on smaller branches and twigs – never dominant)
- Punctelia subrudecta (frequent)
- Ramalina farinacea (occasional on trunks and larger branches)
- Ramalina fastigata (only one thallus seen fruiting on trunk, other broad Ramalina thalli probably also this species)
- Usnea cornuta (rare – main trunk)
- Usnea subfloridana (rare – branches)
- Xanthoria parietina (occasional on smaller branches and twigs)
- Xanthoria polycarpa (only one thallus seen)