Where’s Wildlife · Mushroom Field Guide
Marasmius cf. siccus
Pronounced (approx.): muh-RAZ-mee-us SIK-us
Likely identification. This entry is excluded from quiz questions.
Orange pleated caps resemble tiny umbrellas above the leaf litter.
Orange Pinwheel. Select the photo to browse the gallery. Photographs © Where’s Wildlife.
LIKELY IDENTIFICATION
Fruiting varies with local weather and habitat.
Orange, deeply pleated caps
Thin, wiry stems
Growing among fallen woodland leaves
Compare form, texture and growing surfaces in the photographs below.
DSCN3800 and DSCN3818 are labeled likely Marasmius siccus. The photographs show the orange caps and dark wiry stems, but limited underside detail.
Other pinwheel mushrooms can have rusty, pinkish or faded caps. Retain the likely label until the gills and other details can be checked.
Hardwood leaf litter and small woody debris. Summer and fall.
The orange cap color can fade as the mushroom ages or dries.
Orange, deeply pleated caps.
Growing among fallen woodland leaves.
This gallery retains a likely identification and is excluded from quiz questions.
These photographs were taken in Illinois or Wisconsin; the exact location of each image is unconfirmed. The observation map provides wider context.
Explore reported sightings on iNaturalist. Observation records are not a complete range map.
Photographs © Where’s Wildlife.
Identification notes & comments
Think a photograph has a different identification? Please include its filename or describe the image, suggest a name, and explain the identifying features. Links to reliable references are welcome. Thoughtful corrections help improve this guide.
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