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natural history: myxomycota

tasmanian slime moulds

Once classified together with fungi the moulds have now been hived off to a kingdom of their own, the Protosista, which they share in common with the microscopic diatoms as well as the red, green and brown algaes (including kelps some of which grow to 60 m). One obvious difference between the two kingdoms is that moulds are able to move, however slow their progress (reported to be 1 mm/hour), and fungi are not.

While slime moulds are not altogether rare it does take a good eye to focus upon specimens. Both Fuligo septica and Ceratiomyxa fruticulosa are reported to be fairly common - we sight them occasionally on the Blue Tier. We have no clue on the status of the others since we have not been able to identify many at this stage. As far as we are aware there has been no exhaustive study of moulds in Australia.

mould 81202B
81202B
substrate: rotting wood
mould 81203A
81203A
substrate: debris on soil
Fuligo septica
Fuligo septica
substrate: rotting wood
mould 81202A
81202A
substrate: rotting wood
mould 81204A
81204A
substrate: pine stump
mould 80925C
80925C
substrate: fallen leaf
mould 81217
81217
substrate: log
mould 90418
90418
substrate: log
Ceratiomyxa fruticulosa
Ceratiomyxa fruticulosa
substrate: rotting wood
Ceratiomyxa fruticulosa
Ceratiomyxa fruticulosa
at higher magnification
90709A
90709A
substrate: rotting log
90907B
Mucilago crustacea
substrate: aerial litter
Mould 90926A
90926A
substrate: rotting wood
Mould 91029A1
91029A
substrate: ground litter
Mould 91029A2
91029A
close-up of previous
Lycogala epidendrum
Lycogala epidendrum
substrate: base of tree
Stemonitis sp.
Stemonitis sp.
substrate: rotting wood
Stemonitis sp.
Stemonitis sp.
same several hours later
Arcyria cinerea
Arcyria cinerea
substrate: rotting wood
100821C
100821C
substrate: rotting wood
slime mould 101014
101014
substrate: rotting wood
slime mould spores, 101014
101014
spores of previous
Tubifera rufofulva
Tubifera rufofulva
substrate: burnt log
110718
110718
substrate: rotting log

 

We have a page of sequential images of Mucilago crustacea taken over seven days.

Web
- Disjunct Naturalists has some local information on Tasmanian slime moulds
- Discover Life has an extensive collection of slime mould images
- University of Arkansas has an useful introductory article on slime moulds as a .pdf file (2.5MB)
- University of Hawaii has an introductory page on myxomycota
- The Hidden Forest of New Zealand has many identified moulds on their site
- The Russians have provided some beautiful images of slime moulds. WARNING: the webpage contains 33 images totalling 5.3MB.

Page URL: http://www.bluetier.org/nature/moulds.htm

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81123-1, 1, 9, 59, 1945