Daisy Earthstar
Geastrum floriforme
The Daisy Earthstar is a distinctive fungus that begins as a bulbous structure before splitting into 6-10 pointed rays that curve backward like petals, revealing a central spore sac. This saprophytic species plays a crucial ecological role in decomposing organic matter in forest ecosystems, helping to cycle nutrients back into the soil while forming important relationships with tree roots.
Photo: iNaturalist: (c) Hannah Suli, all rights reserved, uploaded by Hannah Suli
Taxonomy & Classification
Kingdom
Fungi
Phylum
Basidiomycota
Class
Agaricomycetes
Order
Geastrales
Family
Geastraceae
Genus
Geastrum
Daisy Earthstar belongs to the family Geastraceae, order Geastrales, within the Agaricomycetes class.
Species Profile
The Daisy Earthstar is a distinctive fungus that begins as a bulbous structure before splitting into 6-10 pointed rays that curve backward like petals, revealing a central spore sac. This saprophytic species plays a crucial ecological role in decomposing organic matter in forest ecosystems, helping to cycle nutrients back into the soil while forming important relationships with tree roots.
The Daisy Earthstar faces significant threats from habitat loss and degradation due to deforestation, agricultural expansion, and urban development across its range. Climate change poses additional risks by altering the specific moisture and temperature conditions required for this fungal species to complete its reproductive cycle. Pollution and soil contamination further compromise the delicate ecological balance necessary for its survival.
Key Facts
Habitat & Distribution
Inhabits deciduous and mixed woodlands, particularly in areas with rich, well-drained soils and moderate moisture levels. Typically found in forest clearings, woodland edges, and areas with decomposing organic matter where it forms mycorrhizal associations with tree roots.
Threats
Climate change impacts on moisture regimes
Habitat loss and fragmentation
Agricultural intensification
Soil pollution and contamination
Urban development pressure
Community Sightings
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Sources & Attribution
How to Cite
IUCN: IUCN (2025). The IUCN Red List of Threatened Species. Version 2025-1. Available at: https://www.iucnredlist.org. doi:10.2305/IUCN.UK.2025-1.RLTS
GBIF: GBIF.org (2025). GBIF Home Page. Available at: https://www.gbif.org
This page: SpeciesRadar (2025). Daisy Earthstar (Geastrum floriforme). SpeciesRadar: Intelligence for Earth's Biodiversity. Available at: https://speciesradar.org/species/daisy-earthstar