Mushrooms · La Saladita, Guerrero

Orange Pinwheel

Marasmius siccus

Spanish: Rehilete naranja

Orange Pinwheel (Marasmius siccus)
Photographed by soulbiol on iNaturalist · CC-BY-NC

Marasmius siccus, or orange pinwheel, is a small orange mushroom in the Marasmius genus, with a "beach umbrella"-shaped cap. The tough shiny bare stem is pale at the top but reddish brown below, and the gills are whitish. The stem is 3–7 centimetres (1.2–2.8 in) tall and the cap is 0.5–2.5 centimetres (0.20–0.98 in) wide. Most often recorded in Sep.

TaxonomyAgaricomycetes › Agaricales › Marasmiaceae
Local records1 research-grade observation within about 50 km of La Saladita (the survey box also takes in Zihuatanejo, Ixtapa and Troncones)
Global records7,918 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: “Orange Pinwheel (Marasmius siccus) at La Saladita”, La Saladita Field Guide, lasaladita.com/species/marasmius-siccus/, 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.