Home >> Checklist: North American Tulostoma & other stalked puffball species >> Previous version of Key >> Identification Key (new version): North American Tulostoma & other stalked puffball species
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Ecology
general type
mycorrhizal
saprophytic
substrate
soil
woody debris
Gasterocarp - General
opening
apically eroding
circumscissile
lacerate (torn open)
ostiolate
Gasterocarp - Stem
thickness
< 10 mm
> 10 mm
consistency
fleshy
spongy
woody
volva
absent
present
Gasterocarp - Endoperidium
thickness
< 1 mm
> 1 mm
consistency
papery
ridgid
Gasterocarp - Mouth
number
one
many
structure
fibrilose/fimbriate
irregularly torn
plicate/sulcate
tubular
Gasterocarp - Microcharacters
spore ornamentation
smooth or nearly so
moderately ornamented
strongly ornamented
striate
reticulate
ridged/crested
punctate
spore shape
globose
subglobose
broadly ellipsoid
ellipsoid
oblong-ellipsoid
spore width (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
spore length (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
11.5
12.0
12.5
13.0
13.5
14.0
14.5
15.0
15.5
16.0
16.5
17.0
17.5
18.0
eucapillitium
absent
Lycoperdon type
eucapillitium features
septate, clamped
septate, simple
pseudocapillitium
absent
present
elators
spiral thickenings