Bristol Estate, Brighton - Swedish Whitebeam - Physcia clementei and Physcia tribacioides 05.05.2026

Physcia tribacioides and Physcia clementei are rare lichens, found on a Swedish Whitebeam in a social housing estate in Brighton (Bristol Estate)

Physcia tribacioides: ICUN red list status: Vulnerable, thus a section 41 species afforded special protection. British Lichen Society Status: Nationally Scarce

Physcia clementei: ICUN red list status: Near Threatened; British Lichen Society Status: Nationally Scarce

Physcia tribacioides

Physcia clementei: 

For more on these lichens, see: 

Rare and common lichens on urban road trees in the Bristol Estate, East Brighton, and native pre-estate downland Elms. May 2026