B. Papp szerk.: Studia Botanica Hungarica 38. 2007 (Budapest, 2007)
Papp, Beáta; Erzberger, Peter: Contributions to the bryophyte flora of Western Stara Planina Mts (E Serbia)
Trichodon cylindricus (Hedw.) Schimp. - 2: sandstone rocks, rock crevices Trichostomum brachydontium Bruch -1,6: sandstone rocks, rock crevices Warnstorfia exannulata (Schimp.) Loeske - 15: on soil Weissia condensa (Voit) Lindb. - 6, 10, 12: sandstone rocks, rock crevices Weissia controversa Hedw. var. controversa - 10: sandstone rocks, rock crevices Weissia controversa Hedw. var. erispata (Nees et Hornsch.) Nyholm - 10: sandstone rocks, rock crevices List of the species collected in the Bulgarian side of the Stara Planina Mts Locality: Midzor peak, Permian red sandstone rocks and rock cervices, 2,169 m, 43° 23' 42.7" N, 22° 40' 39.4" E, 30.06.2005. Hepaticae Anastrophyllum minutum (Schreb.) R. M. Schust. Apometzgeriapubescens (Schrank) Kuwah. Barbilophoziafloerkei (F. Weber et D. Möhr) Loeske Bazzania tricrenata (Wahlenb.) Lindb. Fossombronia husnotii Corb. (conf. Vána) Frullania jackii Gottsche Jamesoniella autumnalis (DC.) Steph. Jungermannia sphaerocarpa Hook. (det. Vána) Lejeunea cavifolia (Ehrh.) Lindb. Lophozia excisa (Dicks.) Dumort. Lophozia incisa (Schrad.) Dumort. Plagiochila porelloides (Torrey ex Nees) Lindenb. Tritomaria exsecta (Schmidel) Loeske Tritomaria quinquedentata (Huds.) H. Buch Musci Amphidium lapponicum (Hedw.) Schimp. Amphidium mougeotii (Schimp.) Schimp. Bartramia ithyphylla Brid. Cynodontium tenellum (Schimp.) Limpr. Dicranoweisia crispula (Hedw.) Milde