» Cystofilobasidiales, a New Order of Basidiomycetous Yeasts    Describes the characteristics of this order. rDNA sequence analysis indicates a monophyletic branch within the Tremellomycetidae of the Hymenomycetes    http://ijs.sgmjournals.org/cgi/content/abstract/49/2/907

» False Yeast Fungus (Rhodotorula glutinis)    Microscopic image of this species.    http://www.denniskunkel.com/product_info.php?products_id=69

» Rhodotorula Species    Description and natural habitat of this genus of yeasts, which lack pseudohyphae and hyphae, and their macroscopic and microscopic features.    http://www.doctorfungus.org/thefungi/rhodotorula.htm

» Sequences of Psychrophylic Fungi Amplified from Glacier Preserved Ascolichens    Outlines DNA research into subfossil specimens of the ascholichen, Umbilicaria cylindrica, obtained from the meltwater of a Greenland glacier.    http://www.botany.wisc.edu/gargas/depriest1450.pdf

» Umbilicaria cylindra    A photograph of this species in its natural habitat.    http://plantbiology.unibas.ch/people/redecker/valbella_web/pages/umbilicaria_cylDSCN2516.htm

» Umbilicaria cylindrica (a lichen)    Two photographs of the thalli of this species.    http://www.bioimages.org.uk/html/R151738.HTM

» Umbilicaria polyphylla (a lichen)    Two photographs of the thalli of this species.    http://www.bioimages.org.uk/HTML/R151737.HTM