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Fungi: Basidiomycota: Agaricomycetes: Geastrales: Geastraceae: Myriostoma coliforme (Dicks.) Corda

Myriostoma coliforme – pepper pot

Synonyms: Geaster coliformis, Geaster columnatum, Geaster hygrometricus, Geastrum coliforme, Geastrum coliformis, Geastrum columnatum, Lycoperdon coliforme, Myriostoma anglicum, Polystoma coliforme.

Common name: pepper pot.

Extract from Wikipedia article: Myriostoma is a fungal genus in the family Geastraceae. The genus is monotypic, containing the single species Myriostoma coliforme. It is an earthstar, so named because the spore-bearing sac's outer wall splits open into the shape of a star. The inedible fungus has a cosmopolitan distribution, and has been found in Africa, Asia, North and South America, and Europe, where it grows in humus-rich forests or in woodlands, especially on well-drained and sandy soils. A somewhat rare fungus, it appears on the Red Lists of 12 European countries, and in 2004 it was one of 33 species proposed for protection under the Bern Convention by the European Council for Conservation of Fungi.

French: Myriostoma, Russian: Мириостома.

AI-generated description

Myriostoma coliforme is a species of fungus that belongs to the family Geastraceae. It is characterized by its unique, star-shaped fruiting body with a central pore. In East and Central Texas, Myriostoma coliforme has been found growing on rich soil in deciduous and mixed forests, often in association with oak and pine trees. The fungus typically fruits in late summer to early fall, producing spores that are dispersed through the central pore. Specimens from this region typically range in size from 3-8 cm in diameter and have a brown to tan exterior with a white to cream-colored interior.

Photos of this mushroom from East and Central Texas

Pepper pot earthstar mushroom (<B>Myriostoma coliforme</B>) under small cedar elm trees in Washington-on-the-Brazos State Historic Site. Washington, Texas, <A HREF="../date-en/2019-01-23.htm">January 23, 2019</A>
LinkPepper pot earthstar mushroom (Myriostoma coliforme) under small cedar elm trees in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
Location on maps23292 FM 1155, Washington, TX 77880, USA
Pepper pot earthstar mushroom (<B>Myriostoma coliforme</B>) among dry leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, <A HREF="../date-en/2019-01-23.htm">January 23, 2019</A>
LinkPepper pot earthstar mushroom (Myriostoma coliforme) among dry leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, January 23, 2019
Location on maps23292 FM 1155, Washington, TX 77880, USA

AI-generated summary of observations

Observations of Myriostoma coliforme in East and Central Texas reveal that the fungus tends to thrive in specific environments. Notably, it has been spotted under small cedar elm trees at the Washington-on-the-Brazos State Historic Site in Washington, Texas, on January 23, 2019. Additionally, the pepper pot earthstar mushroom was found among dry leaves in the same location, suggesting that it can tolerate a range of conditions. The presence of Myriostoma coliforme in these areas indicates that it may prefer shaded, possibly moist environments with an abundance of leaf litter. These observations provide insight into the ecological preferences of this unique fungus, highlighting its ability to inhabit areas with specific tree species and substrate conditions. The fungus's growth patterns and preferred habitats are further elucidated by these findings.

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Acknowledgements

Mushroom Observer and Facebook for learning names of local mushrooms.

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