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Collared earthstar

Fungi: Basidiomycota: Agaricomycetes: Geastrales: Geastraceae: Geastrum triplex Jungh.

Geastrum triplex – collared earthstar

Synonyms: Geaster pillodii, Geaster triplex, Geastrum michelianum, Geastrum tunicatum, Geastrum tunicatus, Glycididerma collare.

Common name: collared earthstar.

Extract from Wikipedia article: Geastrum triplex is an inedible fungus found in the detritus and leaf litter of hardwood forests around the world. It is commonly known as the collared earthstar, the saucered earthstar, or the triple earthstar—and less commonly by the alternative species name Geastrum indicum. It is the largest member of the genus Geastrum (or earthstar fungi) and expanded mature specimens can reach a tip-to-tip length of up to 12 centimeters (4.7 in).

Arabic: نيجمة ثلاثية, Czech: Hvězdovka trojitá, Dutch: Gekraagde aardster, Finnish: Kaulusmaatähti, German: Halskrausen-Erdstern, Hungarian: Hármas csillaggomba, Japanese: エリマキツチグリ, Lithuanian: Didysis žvaigždulis, Persian: قارچ فندقی سه‌گانه, Polish: Gwiazdosz potrójny, Russian: Звездовик тройной, Swedish: Kragjordstjärna, Ukrainian: Зірковик потрійний.

AI-generated description

Geastrum triplex is a species of earthstar fungus characterized by its three-layered peridium, with a rounded to flattened base, a middle layer that splits into star-like rays, and an inner spore sac. In East and Central Texas, it typically fruits in late summer to early fall, often in wooded areas with rich soil, particularly under deciduous trees such as oak and beech. The fungus is commonly found in regions with abundant rainfall, including the Piney Woods of East Texas and the Lost Pines region of Central Texas.

Photos of this mushroom from East and Central Texas

Earthstar mushroom (<B>Geastrum triplex</B>) on Chinquapin Trail in Huntsville State Park. Texas, <A HREF="../date-en/2009-10-10.htm">October 10, 2009</A>
LinkEarthstar mushroom (Geastrum triplex) on Chinquapin Trail in Huntsville State Park. Texas, October 10, 2009
Earth star mushrooms <B>Geastrum triplex</B> under red cedar trees near the lake in Lake Bryan Park. Bryan, Texas, <A HREF="../date-en/2018-10-10.htm">October 10, 2018</A>
LinkEarth star mushrooms Geastrum triplex under red cedar trees near the lake in Lake Bryan Park. Bryan, Texas, October 10, 2018
Location on mapsP4-746, Bryan, Texas 77807, United States
Earth star mushrooms <B>Geastrum triplex</B> in Lake Bryan Park. Bryan, Texas, <A HREF="../date-en/2018-10-10.htm">October 10, 2018</A>
LinkEarth star mushrooms Geastrum triplex in Lake Bryan Park. Bryan, Texas, October 10, 2018
Location on mapsP4-746, Bryan, Texas 77807, United States
Earth star mushrooms <B>Geastrum triplex</B> under red cedar trees in Lake Bryan Park. Bryan, Texas, <A HREF="../date-en/2018-10-10.htm">October 10, 2018</A>
LinkEarth star mushrooms Geastrum triplex under red cedar trees in Lake Bryan Park. Bryan, Texas, October 10, 2018
Location on mapsP4-746, Bryan, Texas 77807, United States

AI-generated summary of observations

Observations of Geastrum triplex in East and Central Texas reveal that the fungus tends to grow in specific environments. It has been found on the Chinquapin Trail in Huntsville State Park, suggesting it can thrive in woodland areas. In Lake Bryan Park, the earthstar mushroom has been observed growing under red cedar trees near the lake, indicating a preference for areas with tree cover and potentially moist soil. Multiple sightings in Lake Bryan Park on the same day also suggest that Geastrum triplex can form colonies or grow in abundance in favorable conditions. The fungus has been spotted in October, which may indicate a fall fruiting period in this region. Overall, Geastrum triplex appears to be adapted to growing in wooded areas with tree cover and potentially moist soil in East and Central Texas.

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Acknowledgements

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