Tubifera applanata is a species of slime mold in the class Myxogastria.
It forms 2 to 7 cm wide "pseudoaethelia" (mass of sporangia) that are rust-red in color.
They are found growing on damp, dead wood in temperate forests, including where it was first documented, which was on a log of Pinus sylvestris in Ukraine.
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