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Parasitic Ascomycete

Fabraea rhytismoides

Description:

Fruiting bodies of this ascomycete were irregular shallow discs with dark edges and pale fertile inner surface. Individual discs were difficult to discern without magnification-they appear as dark patches on leaves and at first glance look like pigmentation.
Pic3 ( sorry it's fuzzy) shows the slightly elevated discs.

Habitat:

Spotted on the leaves of the montane daisy, Leptinella filicula, at the side of a dirt road. The plants were part of a matted ground cover of several plants.Their hairy leaves form a rosette on short stalks with a single flower at the centre.

Notes:

This fungus is said to be parasitic on the upper surface of the leaves of the montane daisy. They are reported to occur all year round in suitable conditions.
I never thought I'd see this but there it was ! Confirms my belief that it is worth taking shots of everything unusual in nature as it always turns out to be something interesting & new.
Order: Helotiales
Family Dermataceae
Reference: A field guide to Australian Fungi by Bruce Fuhrer Pg 316.

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4 Comments

Leuba Ridgway
Leuba Ridgway 4 weeks ago

Yes Brian. Sheer luck!. I was looking at some ground cover plants that had small but pretty flowers when I noticed these, and they were not in the open either.

Leuba Ridgway
Leuba Ridgway a month ago

Yes Brian. Sheer luck!. I was looking at some ground cover plants that had small but pretty flowers when I noticed these, and they were not in the open either.

Brian38
Brian38 a month ago

Interesting find, Leuba.

Mark Ridgway
Mark Ridgway a month ago

Nature the artist.

Leuba Ridgway
Spotted by
Leuba Ridgway

Taylor Bay, Victoria, Australia

Spotted on Dec 23, 2020
Submitted on Dec 25, 2020

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