NS3878 : Green Elfcup (Chlorociboria aeruginascens)

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

Green Elfcup (Chlorociboria aeruginascens)
Green Elfcup (Chlorociboria aeruginascens)
This species of fungus occurs on fallen branches (especially of oak); its mycelium (a system of fungal threads) pervades the wood and stains it a rather striking blue-green colour. According to "Mushrooms and other fungi of Great Britain and Europe" (Roger Phillips), "the stained wood is often seen but the fruit bodies are less frequent" (see LinkExternal link and LinkExternal link for other views of the stained wood).

[In this case, I had noticed the green-stained wood, without any fruiting bodies, a year earlier. By checking on it now and again (and keeping track of it as it was frequently though inadvertently moved a few feet at a time by passing walkers), and by exercising patience, I was finally able to take this picture.]

In this photograph, a few of the vividly-coloured fruiting bodies are visible; these measured up to about 5mm across. The branch on which they occurred was about three feet long, and was stained green along its full length.

The links cited above mention the use of the stained wood in a kind of marquetry known as Tunbridge Ware. However, it was put to a very similar use at an even earlier date; the book "Introductory Mycology" (Alexopoulos/Mims/Blackwell, 2002) mentions that "the use of the green-stained wood in elaborate intarsia (mosaics) has been traced back to early fifteenth-century Italy".
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NS3878, 214 images   (more nearby )
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Date Taken
Thursday, 1 October, 2009   (more nearby)
Wednesday, 7 October, 2009
Geographical Context
Woodland, Forest 
Place (from Tags)
Renton Wood 
Near (from Tags)
Image Buckets ?
Closeup  Life 
Fungi   (more nearby)
Subject Location
OSGB36: geotagged! NS 3839 7825 [10m precision]
WGS84: 55:58.1980N 4:35.4638W
Camera Location
OSGB36: geotagged! NS 3839 7825
View Direction
East-northeast (about 67 degrees)
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