Uniquely shaped, the Barometer Earthstar (Astraeus hygrometricus) opens when wet weather occurs in order to expose the spore sac to raindrops. It closes up in dry weather [May 27; Wisconsin Point, Superior, Wisconsin]
11 Tips for Fantastic Fungi Photos » Astraeus hygrometricus Barometer Earthstar Wisconsin Point, Superior WI 176_7644
September 21, 2014
Sparky Stensaas
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