Czeczuga, B., Kilias, H., Czeczuga-Semeniuk, E., Muhr, L.-E., Lumbsch, H.T., and Hestmark, G. 2000a. Carotenoids in the thalli of lichen species from Central Europe. J. Hattori Bot. Lab. 89:299-311. |
|
Czeczuga, B., and Doll, R. 1991b. The carotenoid content of lichens of the Cladonia genus from Mecklenburg. Feddes Repert. 102:431-436. |
|
Czeczuga, B., and Shchelkunova, R.P. 1986b. Carotenoids in lichens from the Taimyr region of North Siberia. Biochem. Syst. Ecol. 14:463-467. |
|