Czeczuga, B., and Hammer, S. 1994b. Carotenoids in representatives of the lichen genus Cladonia in North America. Bryologist. 97:67-70. |
|
Adams, W.W., lII., Demmig-Adams, B., and Lange, O.L. 1993. Carotenoid composition and metabolism in green and blue-green algal lichens in the field. Oecologia. 94:576-584. |
|