Lichenomphalia umbellifera
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| Lichenomphalia umbellifera | |
|---|---|
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Scientific classification  | |
| Kingdom: | Fungi |
| Division: | Basidiomycota |
| Class: | Agaricomycetes |
| Order: | Agaricales |
| Family: | Hygrophoraceae |
| Genus: | Lichenomphalia |
| Species: | L. umbellifera |
| Binomial name | |
| Lichenomphalia umbellifera (L.) Redhead, Lutzoni, Moncalvo & Vilgalys (2002) | |
| Synonyms[1] | |
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List
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Lichenomphalia umbellifera, also known as the lichen agaric or the green-pea mushroom lichen,[2][3] is a species of basidiolichen in the family Hygrophoraceae. It forms a symbiotic relationship with unicellular algae in the genus Coccomyxa.[2][4]
The species was first described by Carl Linnaeus in 1753 as Agaricus umbelliferus.[5] It was transferred to Lichenomphalia in 2002.[6]
L. umbellifera has a wide geographic range and displays a considerable amount of phenotypic plasticity, but phylogenetic research has confirmed that these populations represent a single species. Two related taxa have been described in the genus Lichenomphalia, but are yet unnamed.[4]
Description
The mushroom is white to yellowish-tan and hygrophanous, and occurs throughout most of the year on damp soil and rotting wood. Its cap grows up to 3 cm wide. Its stalk is 1–3 cm tall and 1–3 mm wide. The spores are white or yellowish,[7] producing a white spore print.[8]
It is regarded as nonpoisonous[9] but its small size incites little culinary interest.[10]
Similar species
L. grisella is uncommon and has a brown cap.[8]
Other similar species include Chromosera cyanophylla, Chrysomphalina aurantiaca, Chrysomphalina chrysophylla, Contumyces rosellus, and Rickenella fibula.[7]