2 species
Show only taxa with photos
Order by:
Scientific name
Common name
Display as:
Astraeus hygrometricusbarometer earthstar, hygroscopic earthstar, water-measure earthstar
Description: Produces fruitbodies that are spherical at first. At maturity the thick outer skin splits and when damp peels back to form 6-12 rays or arms, revealing the puffball-like spore sack at the center. The rays are strongly hygroscopic and in dry weather curl back over the spore sack.
Habitat: woodlands
Substrate: on the ground
Astraeus pteridisbracken earthstar, giant hygroscopic earthstar
Habitat: roads, railroad tracks, in waste places, old fields, etc.