File:Geastrum triplex (earth star) (13867866764).jpg

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Geastrum saccatum is the earthstar most commonly featured in field guides--probably because it is widely distributed and common. It is a small but beautiful mushroom that features a round spore case sitting atop a star with 4-9 arms. Several species of Geastrum are very similar, however, so precise identification should rely on the following features:

Small size (2-5 cm across when arms expand); A spore case that sits directly on the arms, as though in a bowl (without a pedestal); A hole in the spore case that is not prominently lined; A circular ridge or depression around the hole;

Buttons that are only attached to the ground in one place (and therefore do not accumulate much soil and debris).
Date
Source Geastrum saccatum (earth star)
Author Bernard Spragg. NZ from Christchurch, New Zealand
Camera location43° 27′ 39.21″ S, 172° 41′ 28.84″ E Kartographer map based on OpenStreetMap.View this and other nearby images on: OpenStreetMapinfo

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Creative Commons CC-Zero This file is made available under the Creative Commons CC0 1.0 Universal Public Domain Dedication.
The person who associated a work with this deed has dedicated the work to the public domain by waiving all of their rights to the work worldwide under copyright law, including all related and neighboring rights, to the extent allowed by law. You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission.

This image was originally posted to Flickr by Bernard Spragg at https://flickr.com/photos/88123769@N02/13867866764. It was reviewed on 5 May 2023 by FlickreviewR 2 and was confirmed to be licensed under the terms of the cc-zero.

5 May 2023

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Date/TimeThumbnailDimensionsUserComment
current11:11, 21 June 2018Thumbnail for version as of 11:11, 21 June 20182,400 × 1,606 (2.57 MB)Meisam (talk | contribs)Transferred from Flickr via #flickr2commons

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