Liška, Jiří; Herben, Tomáš (2008). "Long-term changes of epiphytic lichen species composition over landscape gradients: an 18 year time series". The Lichenologist. 40 (5): 437-448. doi:10.1017/S0024282908006610. S2CID85771070.
Liška, Jiří; Herben, Tomáš (2008). "Long-term changes of epiphytic lichen species composition over landscape gradients: an 18 year time series". The Lichenologist. 40 (5): 437-448. doi:10.1017/S0024282908006610. S2CID85771070.