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`*`!Ganoderma tsugae`!`*, also known as `!hemlock varnish shelf`!, is a flat `F33f`_`[polypore`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Polypore]`_`f mushroom of the genus `*`F33f`_`[Ganoderma`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Ganoderma]`_`f`*.

>>Contents

• `F0af`_`[Habitat`#habitat]`_`f

• `F0af`_`[Uses`#uses]`_`f

• `F0af`_`[Medicinal`#medicinal]`_`f

• `F0af`_`[References`#references]`_`f

-─

>>Habitat

In contrast to `*`F33f`_`[Ganoderma lucidum`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Lingzhi_mushroom]`_`f`*, to which it is closely related and which it closely resembles, `*G. tsugae`* tends to grow on `F33f`_`[conifers`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Conifer]`_`f, especially `F33f`_`[hemlocks`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Tsuga]`_`f.`:cite-ref-1[`F5bf`_`[1`#cite-note-1]`_`f]

>>Uses

Like `*G. lucidum`*, `*G. tsugae`* is non-poisonous but generally considered inedible,`:cite-ref-2[`F5bf`_`[2`#cite-note-2]`_`f] because of its solid woody nature; however, teas and extracts made from its fruiting bodies supposedly allow medicinal use of the compounds it contains, although this is controversial within the scientific community. A hot water extraction or tea can be very effective for extracting the `F33f`_`[polysaccharides`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Polysaccharide]`_`f; however, an alcohol or alcohol/glycerin extraction method is more effective for the `F33f`_`[triterpenoids`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Triterpenoid]`_`f.`:cite-ref-3[`F5bf`_`[3`#cite-note-3]`_`f]

The fresh, soft growth of the "lip" of `*G. tsugae`* can be sautéed and prepared much like other edible mushrooms. While in this nascent stage it is not woody, it can still be tough and chewy.

>>>Medicinal

Like `*G. lucidum`*, `*G. tsugae`* is purported to have medicinal properties including use for dressing a skin wound.`:cite-ref-4[`F5bf`_`[4`#cite-note-4]`_`f] Though `F33f`_`[phylogenetic`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Phylogenetic]`_`f analysis has begun to better differentiate between many closely related species of `*Ganoderma`*;`:cite-ref-5[`F5bf`_`[5`#cite-note-5]`_`f] there is still disagreement as to which have the most medicinal properties. Natural and artificial variations (e.g. growing conditions and preparation) can also effect the species' medicinal value.

Studies in mice have shown that `*G. tsugae`* shows several potential medicinal benefits including anti-tumor activity through some of the active polysaccharides found in `*G. tsugae`*.`:cite-ref-6[`F5bf`_`[6`#cite-note-6]`_`f]`:cite-ref-7[`F5bf`_`[7`#cite-note-7]`_`f] `*G. tsugae`* has also been shown to significantly promote wound healing in mice as well as markedly increase the proliferation and migration of `F33f`_`[fibroblast`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Fibroblast]`_`f cells in culture.`:cite-ref-8[`F5bf`_`[8`#cite-note-8]`_`f]

>>References

Wikimedia Commons has media related to

Ganoderma tsugae

.

`:cite-note-1`!1.`! `F0af`_`[↑`#cite-ref-1]`_`f ). Retrieved June 15, 2007.

`:cite-note-2`!2.`! `F0af`_`[↑`#cite-ref-2]`_`f `:citerefmeuninck2017`aMeuninck, Jim (2017). `*Foraging Mushrooms Oregon: Finding, Identifying, and Preparing Edible Wild Mushrooms`*. `F33f`_`[Falcon Guides`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Falcon_Guides]`_`f. p. 56. `F33f`_`[ISBN`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=ISBN_(identifier)]`_`f 978-1-4930-2669-2.

`:cite-note-3`!3.`! `F0af`_`[↑`#cite-ref-3]`_`f Gary Emberger, `F33f`_`[Messiah College`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Messiah_College]`_`f, `*Ganoderma tsugae`*, 2006. Retrieved June 16, 2007.

`:cite-note-4`!4.`! `F0af`_`[↑`#cite-ref-4]`_`f Ching-Hua Su1, et al., `F33f`_`[Taipei Medical University`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Taipei_Medical_University]`_`f, Sacchachitin, a Skin Wound Dressing Material from `*Ganoderma tsugae`* Archived 2007-07-17 at the `F33f`_`[Wayback Machine`:/page/wikibook/entry.mu`zim=wikipedia_en_all_nopic_2025-08.zim|entry_path=Wayback_Machine]`_`f, 2004. Retrieved June 16, 2007.

`:cite-note-5`!5.`! `F0af`_`[↑`#cite-ref-5]`_`f Soon Gyu Hong, Hack Sung Jung, Phylogenetic analysis of `*Ganoderma`* based on nearly complete mitochondrial small-subunit ribosomal DNA sequences, `*Mycologia`* July/August 2004 vol. 96 no. 4 742–55.

`:cite-note-6`!6.`! `F0af`_`[↑`#cite-ref-6]`_`f Mizuno T, Wang G, Zhang J et al: Reishi, Ganoderma lucidum and Ganoderma tsugae: bioactive substances and medicinal effects. Food Rev Intl 1995; 11(1):151-166

`:cite-note-7`!7.`! `F0af`_`[↑`#cite-ref-7]`_`f Mayuzumi I, Okamoto H & Li J: Antitumor active protein-containing glycans from the Chinese mushroom songshan lingzhi, Ganoderma tsugae mycelium. Biosci Biotechnol Biochem 1994; 58(7):1202-1205.

`:cite-note-8`!8.`! `F0af`_`[↑`#cite-ref-8]`_`f Su CH, Sun CS, Juan SW et al: Development of fungal mycelia as skin substitutes: effects on wound healing and fibroblast. Biomaterials 1999; 20(1):61-68.

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