Synonyms: Aleuria nivalis, Galactinia nivalis, Peziza flos, Peziza flosniveum.
Peziza nivalis is a small to medium-sized, cup-shaped fungus that grows on soil, often in areas with rich organic matter. In East and Central Texas, it typically fruits in late winter to early spring, following significant rainfall. The cap is 1-4 cm in diameter, white to cream-colored, and sometimes tinged with pink or yellow. The interior surface is smooth and fertile, while the exterior is often pubescent. It can be found in a variety of habitats, including wooded areas, fields, and along roadsides, particularly in regions with calcareous soils.
Snow-cup mushrooms (Peziza nivalis) in Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, February 19, 2021
Butterfly Garden at Andy Anderson Arboretum, 1900 Anderson St, College Station, TX 77840, USA
Snow-cup mushrooms (Peziza nivalis) with their underside in Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, February 19, 2021Butterfly Garden at Andy Anderson Arboretum, 1900 Anderson St, College Station, TX 77840, USA
Cross section of snow-cup mushrooms (Peziza nivalis) in Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, February 19, 2021Butterfly Garden at Andy Anderson Arboretum, 1900 Anderson St, College Station, TX 77840, USA
Snow-cup mushroom (Peziza nivalis) on mulch immediately after melting snow after a week of snowy and icy weather in Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, February 19, 2021Butterfly Garden at Andy Anderson Arboretum, 1900 Anderson St, College Station, TX 77840, USA
Snow-cup mushroom (Peziza nivalis) with remains of snow in Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, February 19, 2021Butterfly Garden at Andy Anderson Arboretum, 1900 Anderson St, College Station, TX 77840, USA
Dissected snow-cup mushroom (Peziza nivalis) in Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, February 19, 2021Butterfly Garden at Andy Anderson Arboretum, 1900 Anderson St, College Station, TX 77840, USA
Dissected snow-cup mushroom (Peziza nivalis) on melting snow in Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, February 19, 2021Butterfly Garden at Andy Anderson Arboretum, 1900 Anderson St, College Station, TX 77840, USA
Ascomycete mushrooms Peziza nivalis on mulch and wood chips in Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, February 19, 2021Butterfly Garden at Andy Anderson Arboretum, 1900 Anderson St, College Station, TX 77840, USA
Ascomycete mushrooms Peziza nivalis with cross section in Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, February 19, 2021Butterfly Garden at Andy Anderson Arboretum, 1900 Anderson St, College Station, TX 77840, USA
Snow-cup mushrooms (Peziza nivalis)(?) on wood chips on flowerbeds of Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park. College Station, Texas, March 1, 2021Butterfly Garden at Andy Anderson Arboretum, 1900 Anderson St, College Station, TX 77840, USAObservations of Peziza nivalis in East and Central Texas reveal that the fungus grows in abundance after snowy and icy weather. In the Butterfly Garden at Andy Anderson Arboretum in Bee Creek Park, College Station, Texas, snow-cup mushrooms were found on mulch and wood chips, often with remains of snow still present. The mushrooms were observed to have a cup-shaped appearance, with some specimens showing their underside. Cross-sections of the mushrooms revealed their internal structure. The fungus was also found growing on flowerbeds with wood chips. Observations took place in February and March 2021, after a week of snowy and icy weather, suggesting that Peziza nivalis thrives in cold and moist conditions. Multiple observations were made over several days, providing a detailed look at the growth habits of this fungus in the region.
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