Elaeomyxa cerifera

by Sarah Lloyd

Elaeomyxa cerifera

Elaeomyxa cerifera: wax-producing oily slime

In 2010 an extremely distinctive slime mould appeared regularly on bryophyte covered logs at Black Sugarloaf, central north Tasmania. The sporophores are white with a yellow waxy 'collar' when they first appeared (see pix above) - some specimens have a pinkish tinge. As they mature the white section becomes darker with the yellow collar still visible.

The peridium on the fully mature specimens is thin, transparent and iridescent. It splits into sepal-like pennants to expose the spores.

Stephenson and Stempen say it is 'apparently very rare' (1994, p.79). Martin and Alexopoulos (1969, p.175) say the waxy collar is found only in Japanese collections.

Internet search reveals that Heino Lepp had recorded this species near Moyura, NSW in 1990 and that this was the first record in the Southern Hemisphere (McHugh et al., 2009). There is another record of the same species growing in moss near Red Hill on the Mornington Peninsular, Victoria, in August 2008.

- McHugh R, Mitchell DW, Brims MH, Stephenson SL (2009) 'New Additions to Myxomycetes in Australia'. Australasian Mycologist 28: 56-64
- Martin GW, Alexopoulos CJ (1969) The Myxomycetes, University of Iowa Press, Iowa
- Stephenson SL, & Stempen H (1994) Myxomycetes: a handbook of slime molds. Timber Press, Portland

- Discover Life

Elaeomyxa cerifera 1
1. immature specimens
with the pink tinge
Elaeomyxa cerifera 2
2. darkening sporophores
Elaeomyxa cerifera 3
3. iridescent peridium
before splitting
Elaeomyxa cerifera 4
4. mature specimens with
split peridium.

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