U of S  
Fungi of Saskatchewan
Picture of Aminita muscaria
 
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Earthstars

Earthstars are a distinctive group of fungi related to puffballs, that have an outer and an inner wall. The outer wall splits at maturity (forming rays) to expose the inner wall, but may close up under some conditions. The inner wall surrounds the spore sac (gleba) and may develop a pore (ostiole) at maturity.
Cross References Cross References: Ar699-706; M295-8




123a (101b) Rays open when wet, close around the spore sac when dry. Spore sac hairy - Astraeus hygrometricus  
 
    Cross References Cross References:  
      Ar700, 705; Ba91; M296; Mc358; P284  
 
123b (101b) Rays remain open, inner spore sac smooth 124