Plants of the Gila Wilderness

Presented in Association with the
Western New Mexico University Department of Natural Sciences

Candelariella rosulans (Müll.Arg.) Zahlbr.
(Eggyolk Lichen)

Family: Candelariaceae

Synonyms: (basionym)
Candelaria vitellina var. rosulans Müll.Arg.

Candelariella rosulans is a small crustose egg yolk yellow lichen that grows on wood. The apothecia have a yellow disc and rim. Unlike in Acarospora, the apothecia are not sunken into the squamules in Candelariella rosulans. The yellow squamules are lobed and have no soredia. The spores are simple to 1-septate and elliptic in shape, and are 8 per ascus. Candelariella rosulans grows on rocks in full sunlight in the Gila.

Please click on an image for a larger file.




Candelariella rosulans, growing on rocky outcrop in Piñon-Juniper-Oak woodland, photo Russ Kleinman & Karen Blisard, Pinos Altos Range, Pinos Altos, September 22, 2024




Candelariella rosulans, habit, growing on rocky outcrop in Piñon-Juniper-Oak woodland, photo Russ Kleinman & Karen Blisard, Pinos Altos Range, Pinos Altos, September 22, 2024




Candelariella rosulans, habit, growing on rocky outcrop in Piñon-Juniper-Oak woodland, photo Russ Kleinman & Karen Blisard, Pinos Altos Range, Pinos Altos, September 22, 2024




Candelariella rosulans, habit, growing on rocky outcrop in Piñon-Juniper-Oak woodland, photo Russ Kleinman & Karen Blisard, Pinos Altos Range, Pinos Altos, September 22, 2024




Candelariella rosulans, photobiont is single celled green alga resembling Trebouxia, growing on rocky outcrop in Piñon-Juniper-Oak woodland, photo Russ Kleinman & Karen Blisard, Pinos Altos Range, Pinos Altos, September 22, 2024




Candelariella rosulans, elliptic spores 8 per ascus, growing on rocky outcrop in Piñon-Juniper-Oak woodland, photo Russ Kleinman & Karen Blisard, Pinos Altos Range, Pinos Altos, September 22, 2024



Back to the Index