Name: Physarum cinereum (Batsch) Pers.
Most Confident Observations:
Copyright © 2010 Eva Skific (Evica)
Copyright © 2020 Jason Hollinger (jason)
Copyright © 2014 Thomas Laxton (Tao)
Copyright © 2017 zaca
Version: 2
Previous Version 

First person to use this name on MO: Gerhard Koller
Editors: walt sturgeon


Rank: Species

Status: Accepted

Name: Physarum cinereum

Author: (Batsch) Pers.

Citation: Neues Mag. Bot. 1: 89 (1794)


Kingdom: Protozoa

Kingdom: Amoebozoa

Family: Physaraceae

Genus: Physarum

Brief Description:

Plasmodium watery-white or yellow. Sporocarpous to short plasmodiocarpous, 0.3-0.5 mm diam., sessile, gregarious, crowded or heaped, subglobose, or elongate, calcareous, white or grey, or nearly limeless. Peridium single, thin, ± densely coated or flecked with lime. Columella absent. Capillitium abundant, the nodes often angular and with the calcareous deposits extending into the internodes. Spore-mass purplish brown. Spores clear violaceous, verruculose, (7-)9-12 µm diam.

Taken from:

SPORANGIA: sessile,subglobose, or pulvinate, heaped, crowded, or scattered, often forming simple or branched plasmodiocarps, 0.3 to 0.5 mm. broad, cinereous, more or less warted or veined with white.
PERIDIUM: single, thin, densely coated or flecked with lime.
COLUMELLA: absent.
PERIDIUM: wall membranous, with included clusters of white lime granules, often limeless and iridescent.
CAPILLITIUM: abundant of branching hyaline threads, with numerous, rounded or angular, white limeknots, varying in size, sometimes consisting of a Badhamia-like network with few hyaline threads.
SPORES: Spores brownish lilac, almost smooth or spinulose, 7-10 µm diam..
PLASMODIUM: Water/white or yellow.
ECOLOGY: On dead leaves and ground debris.

Taken from:

Descriptions: [Create]


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Created: 2009-08-07 13:02:31 CDT (-0500) by Gerhard Koller (Gerhard)
Last modified: 2015-04-12 20:24:47 CDT (-0500) by walt sturgeon (Mycowalt)
Viewed: 445 times, last viewed: 2020-08-06 15:37:50 CDT (-0500)
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