Other non-black fungi


 

As the heading suggests, this subgroup holds a mixed-bag of on-wood leftovers. A few examples of what you find in this subgroup are:

 

Some polypores. Mostly these would be the flat or sheet-like polypores (technically resupinate polypores), commonly found on the lower surfaces of dead or live wood. There are also a few species that produce pendant fruitbodies (and most likely to be seen in the Canberra Nature Map area are the rusty-brown Coltriciella fruitbodies on the underside of rotting wood).

 

Corticioid fungi. Mostly these occur on the underside of dead wood lying on the ground, though a few are found on live wood. Mostly the fruitbody is fairly thin (often like a coat of paint or a skin on the wood) and many have featureless surfaces, so it is understandable to see them sometimes called paint fungi. However, the surface may be rough (e.g. warted, toothed, densely wrinkled), though the roughness is usually under a millimetre in depth. Furthermore, fruitbodies range from a thin and almost invisible wash to densely cobwebby to leathery in texture.

 

Septobasidium. The fruitbodies in this genus are brown, velvety patches that appear on branches of live plants. Though the fruitbodies appear on wood, the fungi parasitize scale insects and under a velvety Septobasidium patch you will find scale insects.  

 


Other non-black fungi

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Discussion

Heino1 wrote:
25 Jul 2024
There need not be any connection. I've seen Septobasidium on young to old plants (of various genera), not too surprising since you can get scale insects on plants of various ages. Septobasidiums are generally some shade of brown (e.g. pale milk coffee brown, rusty brown, blackish brown), often with fuzzy, white(ish) margins, with a somewhat velvety feel and the surface may be creviced. The genus is usually easy to recognize by sight. My hazy recollection is that much is unknown about Septobasidium in Australia.

Septobasidium sp.
WendyEM wrote:
24 Jul 2024
Thank you. That is very interesting. I wonder if both of these attacks are due to the trees approaching the end of their lives (40+ yrs) and dying?

Septobasidium sp.
Heino1 wrote:
24 Jul 2024
See my comment for https://barwon-south-west.naturemapr.org/sightings/4568252.

Septobasidium sp.
Heino1 wrote:
24 Jul 2024
See my comment for https://barwon-south-west.naturemapr.org/sightings/4568252.

Septobasidium sp.
Heino1 wrote:
24 Jul 2024
This is a species of Septobasidium. The species of Septobasidium parasitize scale insects (without killing them), which in turn parasitize the host plant. The fungus grows into a carpet-like covering over a colony of scale insects.

Septobasidium sp.

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