Synonyms: Caloplaca submexicana, Caloplacopsis submexicana, Candelariella submexicana.
Common name: Mexican Yolk Lichen.
Candelina submexicana is a crustose lichen species characterized by a yellowish to orange-yellow thallus and white to pale yellow apothecia. In East and Central Texas, it typically grows on trees, rocks, and soil, often in open areas with full sun to partial shade. The species is relatively common in the region, particularly on limestone outcrops and sandy soils. It can be found in a variety of habitats, including prairies, woodlands, and along roadsides.
Mexican yolk lichen (Candelina submexicana) together with Aspicilia on a rock edge in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Unnamed Road, Llano, TX 78643, USA
Mexican yolk lichen (Candelina submexicana) together with granite rosette lichen (Physcia halei) at the edge of a granite stone in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018Unnamed Road, Llano, TX 78643, USA
Mexican yolk lichen (Candelina submexicana) on pink granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018Unnamed Road, Llano, TX 78643, USAObservations of Candelina submexicana in East and Central Texas reveal its presence on various rock formations. In Enchanted Rock State Natural Area, it was found growing alongside Aspicilia on a rock edge and with granite rosette lichen (Physcia halei) at the edge of a granite stone. Additionally, it was observed growing directly on pink granite in the same area. These observations suggest that Candelina submexicana can thrive in association with other lichen species and on different types of rock substrates, including granite. The specific location of Enchanted Rock State Natural Area in Fredericksburg, Texas, appears to provide a suitable environment for this species, as multiple sightings were recorded on December 25, 2018. The lichen's ability to coexist with other species and adapt to different rock types is notable.
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