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Ishnoderma resinous represents the genus of mushrooms of the same name in the Fomitopsis family. The species has several names: resinous-odorous ischnoderma, resinous ischnoderma, benzoin shelf, resinous tinder fungus. The ability to distinguish this inedible species will help when collecting mushrooms.
What does resinous inoderm look like?
Ishnoderma resinous grows both alone and in groups. It has a rounded sessile shape and a descending base.
The size of the fruit body does not exceed 20 cm, and the thickness of the cap is 3-4 cm
The species is painted bronze, brown or red-brown, the surface has a velvety feel to the touch.In adult specimens it is smoother, with black spots. The edges of the cap are light, slightly curved around the circumference.
During active growth, a brown or reddish liquid is released on the surface.
Ischnoderma is characterized by a tubular hymenophore (the part of the mushroom under the cap), the color of which changes as the fruiting body grows. In young specimens, a creamy tint predominates, which gradually darkens and becomes brown.
The species is distinguished by rounded, slightly angular pores
The spores are elliptical, smooth, and colorless. Young specimens are distinguished by juicy white flesh, which over time acquires a light brown tint. Ischnoderma does not have a distinct taste; its aroma is vaguely reminiscent of vanilla.
The initially whitish, succulent tissue becomes woody, light brown as it grows, and acquires the smell of anise. This fungal species can cause the development of fir stem rot. The infection quickly spreads throughout the tree, which most often leads to the rapid death of the plant.
Where and how does it grow
Ischnoderma grows in North America, Asia and Europe. However, the species is rarely encountered. In Russia, it is distributed throughout deciduous forests, conifers and taiga regions. The mushroom is classified as a saprotroph, an annual. He prefers dead wood, dead wood, pine and spruce stumps. In addition to stem rot, it can provoke the appearance of white rot.
Is the mushroom edible or not?
The mushroom belongs to the inedible group, therefore collecting and using fruiting bodies in cooking is strictly prohibited. This can cause poisoning and further health problems.
Doubles and their differences
The main false counterpart of Ischnoderma resinosa is a representative of the same genus - the varnished tinder fungus. It is also called "reishi", "lingzhi" and "immortality mushroom". It differs from inshoderma in shape, color, large cap size, underdeveloped stalk, and large irregular pores of the hymenophore.
Ishnoderma resinous affects living trees, and varnished – dead wood
Ishnoderma's counterparts include the flat tinder fungus (Ganoderma flat).
The fungus is ubiquitous, has a flat matte surface and deep pores in the multilayer hymenophore
The mushroom is also often confused with the southern tinder fungus (Southern ganodrema), a relative of the flat tinder fungus. This variety lives only in the southern territories, has a larger size and a varnish-glossy surface.
The hymenophore has no intermediate layer, the pores are larger and deeper
Another lookalike is the expressive tinder fungus, which also belongs to the subspecies of the flat tinder fungus.
The hymenophore has no intermediate layer, the pores are larger and deeper
You can find out more information about searching for tinder fungi in the video:
Conclusion
Ishnoderma resinous is an inedible species that is common in deciduous forests, conifers, and taiga regions. It has several false twins, which are easily distinguished by the size of the fruiting body, pores, and also by the color of the surface.
