Home >> Checklist: North American Geastrum & other earthstar species >> Previous version of Key >> Identification Key (new version): North American Geastrum & other earthstar species
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Ecology
general type
mycorrhizal
saprophytic
substrate
soil
woody debris
Gasterocarp - Mycelial Layer
features
encrusted
not encrusted
Gasterocarp - Rays
features
hygroscopic
non-hygroscopic
Gasterocarp - Endoperidial Body
features
apophysis absent/indistinct
apophysis distinct
apophysis collared
apophysis striate-wrinkled
attachment
multiple short stalks
sessile to rays
single short stalk
Gasterocarp - Mouth
number
one
many
delination
distinct
indistinct
structure
fibrilose/fimbriate
irregularly torn
plicate/sulcate
Gasterocarp - Microcharacters
spore width (microns)
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
10.5
11.0
11.5
12.0
Basidiocarp - Microcharacters
spore width range (microns)
2.0
2.5
3.0
3.5
4.0
4.5
5.0
5.5
6.0
6.5
7.0
7.5
8.0
8.5
9.0
9.5
10.0
10.5
11.0