Generally accepted species

Lactarius uvidus is not specialized on a specific tree species. Although it prefers birches and alders, it can associate with other deciduous trees. As a result, it is not very demanding regarding its habitat. The species is found throughout Europe in moist deciduous forests, as well as in swamp and riparian forests. It is also found in several Asian countries, including Russia and Japan, and is commonly observed in North America. It is widespread and common, making the status “Least Concern” (LC) appropriate. (gbif.org, n.d.-d; pilzoek.de, n.d.-b)

Lactarius uvidus is widely distributed across Europe and also found in several Asian countries, including Russia and Japan, and is commonly observed in North America.

Globally, populations of Lactarius uvidus are widespread and common, with no evidence of a significant decline. However, regional red lists, such as in Germany, classify the species as threatened. Similarly, the Czech and Danish national red lists also list it as endangered, where habitat loss can become a significant issue. In Austria, it is categorized as Least Concern (gbif.org, n.d.-d; Leonardi et al., 2021)

Lactarius uvidus is an ectomycorrhizal fungus. Its habitats include moist deciduous and mixed forests, including swamp and riparian forests. It primarily forms symbiosis with birches, alders, and firs but can also associate with other tree species, making it an important general mycorrhizal fungus. (pilzoek.de, n.d.-b)

Globally, Lactarius uvidus has stable populations and is not considered threatened. However, local populations are often affected by climate change and drought. The drainage of swamp and riparian forests is also problematical. Additionally, the decline of its symbiotic partners—birch, alder, and fir—should not be underestimated.

To maintain stable populations of Lactarius uvidus, it is advisable to protect moist deciduous forests, as well as swamp and riparian forests.

Research measures should include long-term monitoring and general studies on its adaptability to climate change.

The species is inedible and not in use.

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gbif.org, n.d.-d;
Leonardi et al., 2021)