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 Worthington, R.D. 1997a. Carotenoids in lichens from the States of New Mexico and Texas in the United States of America. Feddes Repert. 108:387-399. |
|
Czeczuga, B., and Upreti, D.K. 1990c. Carotenoids in lichens of the Lobaria and Peltigera genera from India. Bull. Bot. Surv. India. 32:80-85. |
|