Maryland Biodiversity Project - Collared Earthstar (Geastrum triplex)

Collared Earthstar Geastrum triplex Junghuhn

Kingdom Fungi > Phylum Basidiomycota > Class Agaricomycetes > Order Geastrales > Family Geastraceae > Genus Geastrum Collared Earthstar - Geastrum triplex - https://www.marylandbiodiversity.com/view/11916

Status:

Found solitary or scattered on the ground under hardwoods or conifers. Fruits in late summer and fall (J. Solem, pers. comm.).

Description:

A bowl-like collar is present below the spore sac. Unlike the similar-appearing Barometer Earthstar, the rays of the Collared Earthstar are not hygroscopic (J. Solem, pers. comm.).

Records:

There are 8 records in the project database.

Links:

View taxon at MycoBank

View taxon at iNaturalist

View taxon at NatureServe

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Seasonality:

[View seasonality details]

Collared Earthstar growing in Montgomery Co., Maryland (9/3/2018). Determined by Jo Solem. (Photo ID: 122067 - Psn: 35)

Collared Earthstar growing in Montgomery Co., Maryland (9/3/2018). Determined by Jo Solem. Photo by Anne Looker. (MBP list)

Collared Earthstar in Baltimore City, Maryland (7/23/2020). (c) dangitmimi, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 195509 - Psn: 56)

Collared Earthstar in Baltimore City, Maryland (7/23/2020). (c) dangitmimi, some rights reserved (CC BY-NC). Photo by dangitmimi via iNaturalist. (MBP list)

Mature fruiting body of Collared Earthstar with slightly deflated spore sac in Howard Co., Maryland (9/9/2011). (Photo ID: 9702 - Psn: 60)

Mature fruiting body of Collared Earthstar with slightly deflated spore sac in Howard Co., Maryland (9/9/2011). Photo by Joanne Solem. (MBP list)

The bottom of a fruiting body of Collared Earthstar in Howard Co., Maryland (9/9/2011). (Photo ID: 9703 - Psn: 70)

The bottom of a fruiting body of Collared Earthstar in Howard Co., Maryland (9/9/2011). Photo by Joanne Solem. (MBP list)

Collared Earthstar in Harford Co., Maryland (10/13/2020). (c) crazy4gsp, some rights reserved (<a rel='license' href='http://creativecommons.org/licenses/by-nc/4.0/'>CC BY-NC</a>). (Photo ID: 239829 - Psn: 200)

Collared Earthstar in Harford Co., Maryland (10/13/2020). (c) crazy4gsp, some rights reserved (CC BY-NC). Photo by crazy4gsp via iNaturalist. (MBP list)

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