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Tubifera ferruginosa
Tubifera ferruginosa is a slime mold. While not fungi, slime molds often form spore-bearing structures that resemble those of the true fungi. Although many slime mold species fruit on wood they do not form a penetrating and absorptive mass of hyphae in the wood substrate. Rather, slime molds form structures called plasmodia which are without cell walls, masses of protoplasm which can move and engulf particles of food in an amoeboid manner. Slime mold plasmodia creep about over the surfaces of materials, engulfing bacteria, spores of fungi and plants, protozoa, and particles of nonliving organic matter. At some point, plasmodia convert into spore-bearing structures. In Tubifera ferruginosa, the plasmodium converts into a clustered mass of sporangia which compress together to form what is called a pseudoaethalium. In such a structure, the individual sporangia still retain their identity but the sporangia are so tightly compressed together that they resemble an aethalium. Individual fruit bodies are less than 0.5 mm wide and are up to 3-5 mm high. Compressed clusters can be up to 15 cm or more in length. When reddish in color and compressed together, the sporangia of this slime mold resemble red raspberries. The cluster soon matures into a purplish and then brownish mass at maturity.
Decaying wood or wood debris, occasionally on forest floor leaf litter.
Spotted in Landgoed Hunderen in rural area of Twello, Holland. (sources:see reference)
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