Mushrooms · La Saladita, Guerrero

rounded earthstar

Geastrum saccatum

Spanish: Estrella de tierra

rounded earthstar (Geastrum saccatum)
Photographed by soulbiol on iNaturalist · CC-BY-NC

Geastrum saccatum, commonly known as the rounded earthstar, is a species of mushroom belonging to the genus Geastrum. It has a worldwide distribution and is found growing on rotting wood. It is considered inedible by mushroomers because of its bitter taste. It is a common mushroom, but collections are at their peak during late summer. The opening of the outer layer of the fruiting body in the characteristic star shape is thought to be due to... Most often recorded in Oct.

TaxonomyAgaricomycetes › Geastrales › Geastraceae
Local records1 research-grade observation within about 50 km of La Saladita (the survey box also takes in Zihuatanejo, Ixtapa and Troncones)
Global records8,158 on iNaturalist
Recorded here2024 – 2024
Months recorded near La Saladita
JanFebMarAprMayJunJulAugSepOctNovDec
Recent local sightings

Interactive card with more photos, sounds and similar species Mushrooms guide iNaturalist Wikipedia

Cite as: “rounded earthstar (Geastrum saccatum) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/geastrum-saccatum/, updated 2026-09-26. Observation counts and months come from iNaturalist research-grade records within about 50 km of 17.8375°N, 101.7606°W (the survey box also takes in Zihuatanejo, Ixtapa and Troncones); summary text from Wikipedia where present.