NS3977 : A slime mould - Arcyria denudata

taken 8 years ago, near to Renton, West Dunbartonshire, Great Britain

A slime mould - Arcyria denudata
A slime mould - Arcyria denudata
In the vicinity of a large man-made mound (NS3977 : Mound beside the River Leven), a damp log was host to five different species of slime mould (see LinkExternal link for the others).

Arcyria denudata is the vivid reddish species shown at the centre and in the right-hand side of the photo. The spore-producing structures (sporangia) form the rather fluffy-looking structures shown in this photo; microscopically, they can be seen to consist of threads called "elaters" (elaters also occur in liverworts: NS3878 : A liverwort - Pellia epiphylla); these threads change their shape in response to changing humidity, and so serve to push out spores when conditions are suitable.

The small shiny black spheres in the left-hand side of the photo also belong to a slime mould, but to a quite different species: NS3977 : A slime mould - Metatrichia floriformis. Slime moulds cannot, in general, be identified by their naked-eye appearance alone, or (even worse) from photos alone; in many cases, microscopic examination is required (specimens of the two species shown here were examined at home).

[The photo was taken during the season when a large number of slime moulds can generally be found, but the weather of the preceding few months probably accounted for their particular abundance when this photo was taken. According to the textbooks, a good time to search for slime moulds is after a few dry days following a prolonged period of rain. The photo was taken after a few dry days following one of the wettest summers ever recorded for this area (on that topic, compare NS3977 : Cyanobacteria - Nostoc commune).]

For another Arcyria species, which forms considerably larger structures, see: NS3878 : A slime mould - Arcyria nutans.
Creative Commons Licence [Some Rights Reserved]   © Copyright Lairich Rig and licensed for reuse under this Creative Commons Licence.
1:50,000 Modern Day Landranger(TM) Map © Crown Copyright
+
1:50,000 Modern Day Landranger(TM) Map © Crown Copyright
TIP: Click the map for Large scale mapping
Change to interactive Map >
Grid Square
NS3977, 209 images   (more nearby )
Photographer
  (find more nearby)
Date Taken
Friday, 11 September, 2009   (more nearby)
Submitted
Thursday, 17 September, 2009
Geographical Context
Woodland, Forest 
Colour (from Tags)
Red 
Image Buckets ?
Closeup  Life 
Place (from Tags)
Vale of Leven Industrial Estate 
Category
Slime mould   (more nearby)
Subject Location
OSGB36: geotagged! NS 3959 7795 [10m precision]
WGS84: 55:58.0606N 4:34.3007W
Camera Location
OSGB36: geotagged! NS 3959 7795
View Direction
Southeast (about 135 degrees)
Looking for a postcode? Try this pageExternal link
Clickable map
+

Other Tags
Trichiales  Stalked Sporangia  Slime Mould  Arcyriaceae 

Click a tag, to view other nearby images.

Image classification(about): Supplemental image
This page has been viewed about 364 times.
View this location: KML (Google Earth) · Google MapsExternal link · Bing MapsExternal link · OS Map Checksheet · Geograph Map · geotagged! More Links for this image
NW N NE
W Go E
SW S SE
[Mark
You are not logged in login | register