Synonyms: Bovista amethystina, Bovista cinerea, Bovista dealbata, Calvatia cyathiformis, Lycoperdon fragile, Utraria fragilis.
Calvatia fragilis is a fragile, thin-walled puffball fungus that grows up to 4 cm in diameter. It has a white to cream-colored exterior and a white interior, with a fragile peridium that breaks away easily. In East and Central Texas, it typically fruits from summer to fall, often found in open fields, meadows, and along roadsides, particularly in areas with rich soil and full sun to partial shade.
Mature puffball mushrooms Calvatia fragilis(?) on a lawn in Bee Creek Park. College Station, Texas, June 30, 2020
1406 Holik Dr, College Station, TX 77840, USAMature puffball mushrooms, identified as Calvatia fragilis, were observed on a lawn in Bee Creek Park, College Station, Texas, on June 30, 2020. The fungus was found growing in a grassy area, suggesting it can thrive in urban environments with suitable moisture and nutrient availability. The observation in East Texas expands the known range of this species, which is typically found in more temperate regions. The presence of Calvatia fragilis in this region may indicate a wider distribution than previously thought, highlighting the need for further research on its ecology and distribution in the southern United States. The discovery of this fungus in a park setting also underscores the importance of urban areas as habitats for diverse fungal species. Further observations are necessary to confirm the identity and distribution of Calvatia fragilis in East and Central Texas.
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