Czeczuga, B., Ryan, B.D., Spiut, R.W., Flock, J.-A.W., Weber, W.A., Beasley, C.W., Showman, R.E., Worthington, R.D., and Boucher, V.L. 1997b. Carotenoids in lichens from the United States of America and Mexico. Feddes Repert. 108:401-417. |
|
Czeczuga, B., and Richardson, D.H.S. 1989d. Carotenoids in some lichen species from Ireland. Lichenologist. 21:363-367. |
|