Robergea albicedrae is a species of fungus in the Ascomycota phylum. It is a lichenized fungus that forms crustose thalli on tree bark. In East and Central Texas, Robergea albicedrae has been found growing on various deciduous tree species, including oak, elm, and willow. The fungus produces white to cream-colored apothecia with a distinctive morphology. Collections of Robergea albicedrae in the region are typically found in shaded, humid areas with rich soil, such as along streams and rivers.
White juniper fungus (Robergea albicedrae) on bark of Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021
Zip Lost Pines Way, Cedar Creek, TX 78612, USA
White juniper fungus (Robergea albicedrae) around of a broken branch spot on Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021Zip Lost Pines Way, Cedar Creek, TX 78612, USA
Whitening pattern of a fungus Robergea albicedrae on bark of Ashe juniper in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021Zip Lost Pines Way, Cedar Creek, TX 78612, USA
White juniper fungus (Robergea albicedrae) on bark of a young Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021Zip Lost Pines Way, Cedar Creek, TX 78612, USA
White juniper fungus (Robergea albicedrae) small gray nodules where spores are produced on bark of a young Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021Unnamed Road, Cedar Creek, TX 78612, USA
Close-up of white juniper fungus (Robergea albicedrae) small gray nodules where spores are produced on bark of a young Juniperus ashei tree in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021Unnamed Road, Cedar Creek, TX 78612, USA
Typical whitening pattern on bark of Ashe juniper with a fungus Robergea albicedrae in McKinney Roughs Nature Park near Austin. Texas, March 17, 2021Unnamed Road, Cedar Creek, TX 78612, USAObservations of the fungus Robergea albicedrae in East and Central Texas revealed its presence on Juniperus ashei trees, particularly in McKinney Roughs Nature Park near Austin. The fungus was found on the bark of both mature and young trees, often around broken branch spots. A characteristic whitening pattern was observed on the bark, with small gray nodules forming where spores are produced. These nodules were visible on close-up examination, indicating the fungus's reproductive structures. The whitening pattern was consistent across observations, suggesting a typical presentation of the fungus on infected trees. The presence of Robergea albicedrae was documented through photographs taken on March 17, 2021, showcasing its morphology and distribution on host trees in the region.
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