Synonyms: Pustularia bolarioides, Pustularia rosea, Tarzetta rosea.
Common name: pink burn cup.
Rhodotarzetta rosea is a species of fungus in the family Pyronemataceae, order Pezizales, class Pezizomycetes, phylum Ascomycota. It produces small to medium-sized, pinkish-red to reddish-orange apothecia that are cup-shaped to disk-shaped, often with a wavy or lobed margin. The fungus is typically found in sandy or clay soils, often in association with the roots of grasses or other herbaceous plants. In East and Central Texas, Rhodotarzetta rosea has been collected from late winter to early spring, often in areas with abundant rainfall, and can be found in a variety of habitats, including prairies, savannas, and open woods.
Cup fungus Tarzetta rosea (Rhodotarzetta rosea) on burnt ground in Bastrop State Park. Bastrop, Texas, March 24, 2020
Park Rd 1C, Bastrop, TX 78602, USA
Tight cluster of cup fungus Tarzetta rosea (Rhodotarzetta rosea) on burnt ground in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Ascomycete fungi Tarzetta rosea (Rhodotarzetta rosea) and Anthracobia melaloma on charred site in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Pink cups of Ascomycete fungus Tarzetta rosea (Rhodotarzetta rosea) in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Close-up of Ascomycete fungus Tarzetta rosea (Rhodotarzetta rosea) in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Ascomycete fungus Tarzetta rosea (Rhodotarzetta rosea) in area of a recent prescribed burn in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Cups of Ascomycete fungus Tarzetta rosea (Rhodotarzetta rosea) in area of a recent prescribed burn in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Ascomycete fungus Tarzetta rosea (Rhodotarzetta rosea) on charcoal in area of a recent prescribed burn in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Masses of Ascomycete fungus Tarzetta rosea (Rhodotarzetta rosea) in area of a recent prescribed burn in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Masses of pink cups of Ascomycete fungus Tarzetta rosea (Rhodotarzetta rosea) in area of a recent prescribed burn in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Dense colony of Ascomycete fungus Tarzetta rosea (Rhodotarzetta rosea) in area of a recent prescribed burn in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Ascomycete fungus Tarzetta rosea (Rhodotarzetta rosea) in area of a recent prescribed burn in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Ascomycete fungus Tarzetta rosea (Rhodotarzetta rosea) on burnt ground in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Accumulation of Ascomycete fungus Tarzetta rosea (Rhodotarzetta rosea) on burnt ground in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Cup fungus Tarzetta rosea (Rhodotarzetta rosea) on burnt ground in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Pink cups of fungus Tarzetta rosea (Rhodotarzetta rosea) on burnt ground in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Pink cups of fungus Tarzetta rosea (Rhodotarzetta rosea) on burnt ground in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Cup fungus Tarzetta rosea (Rhodotarzetta rosea) on charred ground in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Cup fungus Tarzetta rosea (Rhodotarzetta rosea) on burnt ground on a slope to a wet area in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Upper view of cup fungus Tarzetta rosea (Rhodotarzetta rosea) on burnt ground in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USA
Distant view of cup fungus Tarzetta rosea (Rhodotarzetta rosea) on burnt ground in Bastrop State Park. Bastrop, Texas, March 24, 2020Park Rd 1C, Bastrop, TX 78602, USAObservations of Rhodotarzetta rosea in East and Central Texas show that the fungus thrives on burnt ground, particularly in areas with recent prescribed burns. It was found in large quantities, often in tight clusters or dense colonies, on charred sites in Bastrop State Park. The fungus produced pink cups, which were abundant on the burnt ground, and could be found on charcoal and slopes leading to wet areas. The observations suggest that Rhodotarzetta rosea is well adapted to fire-disturbed environments and can quickly colonize and fruit in these areas. The fungus was observed in various forms, including single cups, masses, and accumulations, indicating its ability to rapidly grow and spread in suitable conditions. Overall, the observations highlight the fungus's affinity for burnt environments and its ability to thrive in these areas.
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