Yellow Navel

Lichenomphalia chromacea

"Lichenomphalia chromacea" is a species of basidiolichen in the family Hygrophoraceae. It is found in southern Australia. The yellow-orange fruiting bodies of the species are mushroom-like, with a cap width of typically less than 4 cm. The thallus of the lichen is a greenish, granular layer of fungal hyphae and algae on the soil around the base of the stipe.
Lichenomphalia chromacea - growing in sandy soil  Lichenomphalia chromacea,Yellow Navel

Appearance

"Lichenomphalia chromacea" produces yellow to orange mushroom-like fruiting bodies, with a cap diameter between 9 and 38 mm, and a shape that is initially convex and umbilicate, later becoming flattened, but still umbilicate. The thick gills on the underside of the cap are distantly spaced, usually with a decurrent attachment to the stipe, which itself is slender and cylindrical, measuring 19–51 mm long. The basidia are usually four-spored, but very rarely they are two-spored. The basidiospores are hyaline, ellipsoid, and measure 6.4–10.4 by 3.4–6.2 μm. The thallus of the lichen is disc-shaped to angular, measuring 200–900 μm broad and forming a green, crust-like surface when crowded together.
Yellow Navel - Lichenomphalia chromacea  Australia,Eamw fungi,Geotagged,Lichenomphalia chromacea,Spring,Yellow Navel

Distribution

"Lichenomphalia chromacea" occurs in South Australia, New South Wales, and Tasmania. It fruits in clusters on the ground, or occasionally on bark, and often amongst mosses. In Tasmania, it is typically encountered in sandy or peaty soil in heathland and woodland, and usually at higher elevations. The only other members of genus "Lichenomphalia" that occur in Australia are "L. tasmanica" and "L. umbellifera".
Yellow navel - Lichenomphalia chromacea  Australia,Eamw fungi,Geotagged,Lichenomphalia chromacea,Winter,Yellow Navel

Habitat

"Lichenomphalia chromacea" occurs in South Australia, New South Wales, and Tasmania. It fruits in clusters on the ground, or occasionally on bark, and often amongst mosses. In Tasmania, it is typically encountered in sandy or peaty soil in heathland and woodland, and usually at higher elevations. The only other members of genus "Lichenomphalia" that occur in Australia are "L. tasmanica" and "L. umbellifera".

References:

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Taxonomy
KingdomFungi
DivisionBasidiomycota
ClassAgaricomycetes
OrderAgaricales
FamilyHygrophoraceae
GenusLichenomphalia
SpeciesL. chromacea
Photographed in
Australia