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Name: Geastrum saccatum Fr.

Most Confident Observations

14373
Copyright © 2007 Ian Dodd Kundabung NSW Australia

130719
Copyright © 2011 Drew Henderson (Hendre17)

61437
Copyright © 2009 Ryane Snow (snowman)

149738
Copyright © 2011 Christopher (seepee)


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Nomenclature:
Rank: Species
Status: Accepted
Name: Geastrum saccatum
Author: Fr.
Citation: Fr. Syst. Myc. 3: 16. 1829.
Deprecated Synonym(s): Geaster saccatum, Earthstar (Geastrum saccatum), Geaster saccatus Fr.

Classification: Edit

Domain: Eukarya
Kingdom: Fungi
Phylum: Basidiomycota
Class: Agaricomycetes
Order: Geastrales
Family: Geastraceae
Genus: Geastrum


Brief Description: See More | Edit

From Ponce. (1968) (public domain):

Unexpanded basidiocarp ovate with a point up to 4 mm. long, or with a
rounded umbo, half-exposed or superficial, 2-3 cm. wide, 3 cm. high,
with the mycelium attached to a basal point, becoming expanded when 3
cm. wide; exoperidium split to about the middle into 5-9 pliable,
thin, expanded or revolute, equal, acute rays, leaving the base
saccate; when open, the rays can attain a width of 1-2 cm.; fleshy
layer brown, adnate, frequently rimose; outer layer ochraceous buff or
cinnamon buff, spongy-felted, with very little adhering debris; when
dried, irregularly rimose or pulling off over considerable areas; with
a prominent umbilical scar in the middle of the base where the
mycelium was attached; endoperidium sessile, 0.5-2 cm. in diameter,
globose, glabrous, brown, partially enclosed by the saccate base of
the exoperidium; peristome conic, fibrillose, delimited by a circular,
raised or depressed line, silky, paler or more brownish than the
spore-case wall; gleba umber or paler; columella indistinct, or a
pseudocolumella present; spores globose, 3.4um in diameter, globose,
verrucose, with hyaline or yellowish warts (there are many
poorly-formed spores in mounts); capillitium 4um, pale yellowish to
brownish, very thick-walled, tapering, undulate, often cracked, some
threads having ramifications at the ends, 4um diameter, incrusted with
much debris.


Descriptions: Create

Version: 3
Previous Version: 2

First person to use this name on MO: Ron Pastorino
Editors: Alan Rockefeller, La Monte Henry Piggy Yarroll

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Created: 2007-05-18 20:26:38 EDT (-0400) by Ron Pastorino (Ronpast)
Last modified: 2013-11-30 14:37:55 EST (-0500) by La Monte Henry Piggy Yarroll (piggy)
Viewed: 372 times, last viewed: 2014-09-30 17:53:22 EDT (-0400)
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