growing on the Fliegerdenkmal

The following species are known to occur in the Rhön Mountains:

Umbilicaria cylindrica
Umbilicaria deusta
Umbilicaria hirsuta
Umbilicaria polyphylla
Umbilicaria subglabra (very rare)
Umbilicaria torrefacta
Umbilicaria vellea (only found at the Milseburg, probably extinct)

on Atriplex patula

https://influentialpoints.com/Gallery/Hayhurstia_atriplicis_chenopodium_aphid.htm

https://bladmineerders.nl/parasites/animalia/arthropoda/insecta/hemiptera/sternorrhyncha/aphidoidea/aphididae/aphidinae/macrosiphini/hayhurstia/hayhurstia-atriplicis/