Synonyms: Caloplaca appressa, Wetmoreana appressa.
Fulgogasparrea appressa is a crustose lichen species characterized by its yellow-green to grayish thallus and crowded, convex apothecia. In East and Central Texas, it typically grows on trees, particularly oak and cedar, and rocks in shaded to partially shaded areas. The species is often found in moist, wooded environments, such as riparian zones and woodland edges, where humidity is relatively high. Its distribution in the region includes the eastern part of the Edwards Plateau and the Piney Woods ecoregion, with records from counties including Travis, Bastrop, and Houston.
Red firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018
Unnamed Road, Llano, TX 78643, USA
Orange firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018Unnamed Road, Llano, TX 78643, USA
Golden moonglow lichen (Dimelaena oreina, greenish grey) and firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018Unnamed Road, Llano, TX 78643, USA
Cracked lichen Acarospora novomexicana (yellow) and firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) (red) on granite in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018Unnamed Road, Llano, TX 78643, USA
Cracked lichen Acarospora novomexicana (yellow) and firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) (red) on pink granite of Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018Unnamed Road, Llano, TX 78643, USA
Large granite stone covered by cracked lichen Acarospora novomexicana (yellow) and firedot lichen Fulgogasparrea appressa (Caloplaca appressa)(?) (red) on Freshman Mountain in Enchanted Rock State Natural Area. Fredericksburg, Texas, December 25, 2018Unnamed Road, Llano, TX 78643, USAObservations of Fulgogasparrea appressa in East and Central Texas reveal its presence on granite rocks in various locations. The lichen appears in different colors, including red and orange, and is often found alongside other species such as golden moonglow lichen (Dimelaena oreina) and cracked lichen (Acarospora novomexicana). On December 25, 2018, observations were made at Enchanted Rock State Natural Area in Fredericksburg, Texas, where Fulgogasparrea appressa was found on granite rocks, including pink granite on Freshman Mountain. The lichen was seen growing alone and in combination with other species, covering large areas of stone. Multiple sightings on the same day suggest that Fulgogasparrea appressa is relatively common in this region, particularly on granite substrates. The co-occurrence with other lichen species indicates a diverse and thriving lichen community in the area.
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