Rosy conk

Rosy Conk (Rhodofomes cajanderi / Fomitopsis cajanderi): A Comprehensive Reference

Identity, Nomenclature, and Taxonomy

Rosy conk is the widely used common name for the bracket fungus Rhodofomes cajanderi (P. Karst.) B.K. Cui, M.L. Han & Y.C. Dai (2016). It is a widely distributed species of bracket fungus, commonly known as the rosy conk due to its rose-colored pore surface. The species has a complex and somewhat contested nomenclatural history; it is also widely known in older literature and trade sources under its former accepted name, Fomitopsis cajanderi (P. Karst.) Kotl. & Pouzar, 1957, along with the basionym Fomes cajanderi P. Karst., 1904, and several other synonyms including Fomes subroseus (Weir) Overh., Fomitopsis subrosea (Weir) Bondartsev & Singer, and Trametes subrosea Weir. According to the GBIF Backbone Taxonomy, the current accepted name was published in 2016 in Han, Chen, Shen, Song, Vlasák, Dai & Cui, Fungal Diversity 80: 364.

Phylogenetic studies supported the polyphyly of Fomitopsis and the transfer of the rosea clade (including F. rosea and F. cajanderi) into the genus Rhodofomes. A new genus, Rhodofomes Kotl. & Pouzar, was proposed by Kotlába and Pouzar (1990, 1998) with R. rosea (Alb. & Schwein.) Kotl. & Pouzar as type species. The species sits within the following full taxonomic classification: Kingdom Fungi; Phylum Basidiomycota; Class Agaricomycetes; Order Polyporales; Family Fomitopsidaceae; Genus Rhodofomes; Species Rhodofomes cajanderi.

It is morphologically similar to its congener Rhodofomes roseus (formerly Fomitopsis rosea), and the two are sometimes confused in older ethnobotanical and scientific literature, as well as in some commercial supplement contexts where the "rosy conk" name is applied inconsistently. This species of polypore is morphologically similar to its relative, Rhodofomes roseus. Other similar species include Fomitopsis pinicola and Ganoderma lucidum. The distinction is important for scientific and medicinal purposes: most of the specific phytochemical work that has isolated named compounds from "rosy conk" has been conducted on Fomitopsis rosea / Rhodofomes roseus, while the emerging cytotoxic and anti-inflammatory research has focused specifically on Fomitopsis cajanderi / Rhodofomes cajanderi.

Members of the genus Fomitopsis broadly are medicinal mushrooms and a rich source of bioactive compounds with significant pharmacological and biotechnological potential. Species such as Fomitopsis betulina, F. cajanderi, F. feei, F. officinalis, F. palustris, and F. pinicola have been extensively studied for their medicinal and industrial potential.

Physical Description and Morphology

Rosy conk is a perennial shelf fungus. It may be identified by its small-to-medium-sized, fleshy, tough fruit-body, with a downy or crust-like top, growing to around 3–10 cm (1.2–3.9 in) wide. The top surface is a pink colour becoming grey, brown, or black, with a clear margin; the inside of the conk and the bottom are a rosy pink colour. The body of the fungus is rigid and can grow up to 1 cm thick, with 3–5 round pores per millimeter, and it produces a whitish spore print.

Laterally fused fragrant fruiting bodies are saprotrophic on dead conifer wood and parasitic on living conifers, rarely on hardwoods. When young, the cap is finely hairy, soft, and usually pinkish to pinkish-purple with a paler margin; as it ages, the cap surface becomes smooth and darker. The fruiting body eventually becomes tough and leathery, and the pores are pink but fade with maturity. Observers have noted a distinctive candy-like or sweet aroma in fresh specimens. It causes brown rot and is perennial.

It is classified as inedible. Fruiting bodies average 4–10 cm across in their shelf-like growth form, and can grow as a single cap or fuse with other caps laterally.

Natural Distribution, Ecology, and Host Range

Widely distributed in North America's conifer forests, rosy conk is a tough polypore with a gorgeous pink pore surface and, when fresh and young, pink shades on its cap surface. In Western North America, F. cajanderi is often found on Douglas-fir. Its distribution is widespread. It is also documented in parts of Asia and Europe.

As a pathogen, it causes a disease called brown pocket rot in various conifer species. It causes brown cubical rot in its host; in the early stages of decay, the wood develops a faint brownish or yellow-brown stain, while more advanced stages of decay appear as soft, irregular, yellowish or reddish-brown cubes. Thin, white or faintly rose-colored mycelial felts may develop in the cracks between the cubes.

Rosy conk is a problem on many conifers that have storm damage and top breakage, as this fungus and others colonize the damaged tissue. Inoculation studies have shown that fruit bodies of related closely associated species such as Antrodiella citrinella and Fomitopsis rosea were found on uninoculated logs within 100 m of inoculated logs, suggesting natural spread.

Traditional and Historical Use

Direct historical records uniquely attributing medicinal use to Rhodofomes cajanderi specifically are limited in the ethnomycological literature. However, the species belongs to the broader genus Fomitopsis, members of which have a documented history of use across multiple traditions.

Traditionally valued by indigenous cultures, species of Fomitopsis have been used for treating headache, nausea, and liver problems, as well as serving as haemostatics and anti-inflammatory agents due to their astringent effects. They were also employed for anti-fatigue, immune enhancement, cancer treatment, and as a styptic, antiseptic, and pain reliever across various regions.

Historically, members of the Fomitopsis genus have played an important role in traditional medicine among indigenous peoples, where they have been valued for their potential to support general wellness and immune health. While direct historical records of Fomitopsis cajanderi specifically are limited, its close relatives have been employed in teas, tinctures, and topical applications to promote healing and vitality.

Regarding topical wound-care applications specifically: Rosy conk has a history of traditional use in folk medicine, particularly among some Indigenous and rural communities in North America and Eurasia. It has been applied topically or used in poultices for wounds, bruises, and other minor injuries, in keeping with the broader practice of using many polypore mushrooms for wound care before the advent of modern medicine. The conventional rationale was grounded in perceived antimicrobial and staunching properties common to polypore conks.

Its close relative Fomitopsis pinicola (red-belted conk), sometimes also called "rosy conk" in certain regional contexts, has a better-documented history: F. pinicola is widely available and has been extensively used for medicinal purposes, particularly in Chinese traditional medicine. However, the use of F. pinicola in Central European folk medicine has been largely forgotten. Like many hardwood bracket fungi, specimens were traditionally prepared for consumption as a soup, tea, or in alcohol, and it was used for centuries for the treatment of headaches, nausea, and liver disease, as well as in health food supplements.

The related Fomitopsis officinalis (quinine conk / agarikon) provides another frame of reference for the broader ethnomycological tradition: It is a medicinal polypore used for millennia (under the name "Agarikon") to treat several diseases, particularly pulmonary ones. A rich literature has dealt with its ethno-mycological aspects, but isolation and chemical characterization of single compounds has only recently significantly developed.

Common Preparation Forms

As with other hard polypore conks in the same family, the fruiting body of rosy conk is not directly edible due to its tough, woody consistency. Preparations described in the literature and traditional contexts include:

• Hot water decoction (tea): A hot aqueous extract is prepared by decoction in water at 100°C for approximately two hours. This method is used to extract water-soluble polysaccharides, particularly beta-glucans.
• Hot ethanol extract (tincture / soxhlet extraction): A hot ethanol extract can be made via a two-hour Soxhlet extraction of the F. cajanderi fruiting body in ethanol using a cold finger condenser. This method preferentially extracts triterpenes and other lipophilic compounds.
• Poultice / topical application: Dried or powdered fruiting body material has been applied directly to skin in traditional wound-care practice.
• Alcohol-based tincture (folk method): For related species such as F. pinicola, tinctures are prepared by slicing fresh mushroom and combining with 95% alcohol (1:5 ratio), letting sit for two weeks; decoctions require simmering larger pieces for at least 30 minutes to extract active constituents.

Key Constituents and Active Compounds

A comprehensive review of Fomitopsis secondary metabolites describes them as including polysaccharides, terpenoids, and phenolic compounds, with detailed characterization of their chemical structures and biological activities. These compounds exhibit antioxidant, antimicrobial, anti-inflammatory, and immunomodulatory properties, with promising applications in cancer therapy, cardiovascular health, and immune modulation.

Lanostane Triterpenes

The most intensively studied class of bioactive compounds specific to Fomitopsis rosea / Rhodofomes roseus (the species most often associated with phytochemical work under the "rosy conk" or Fomitopsis rosea label) is the lanostane-type triterpenoids. From a biologically active extract from the fungus Fomitopsis rosea, two new lanostane triterpenes were isolated: 3α-(3′-butylcarboxyacetoxy)oxepanoquercinic acid C 1 and 3α-hydroxy-24-methylene-23-oxolanost-8-en-26-carboxylic acid 2, along with three known triterpenes and an epidioxy sterol derivative.

The 24-methylene-lanostane triterpenes have been isolated from several Fomitopsis species, including Fomes cajanderi (synonym: Fomitopsis cajanderi) (He et al., 2003). This type of triterpenoid showed antimicrobial, cytotoxic, anti-inflammatory, and trypanocidal activity.

Beta-Glucans and Other Polysaccharides

Species of Fomitopsis contain polysaccharides with therapeutic applications. Terpenoids are a large and diverse class of natural compounds known for their structural variety and biological activities, and in species of Fomitopsis, they are particularly notable for their antimicrobial, anti-inflammatory, and therapeutic properties. Polysaccharides — especially beta-glucans — are the primary immune-modulating constituents extractable by hot water decoction. The aqueous extract of F. cajanderi was found to be non-cytotoxic to MCF7 cells but inhibited TNF secretion in LPS-stimulated U-937 cells, an effect attributed to its beta-glucan content.

Phenolic Compounds

Advances in analytical techniques have revealed a wide range of pharmacologically active compounds in Fomitopsis species, including polysaccharides, terpenoids, phenolic compounds, and secondary metabolites, all of which contribute to their ecological functions and therapeutic potential. For related species like F. officinalis, phenolic compounds identified include p-hydroxybenzoic acid, gallic acid, catechin, and phenylalanine.

Ergosterol and Sterol Derivatives

An epidioxy sterol derivative was identified alongside the lanostane triterpenes isolated from F. rosea. Ergosterol, the predominant sterol in fungi, has been identified in related Fomitopsis species. Ergosterol and its derivatives are associated with immunomodulatory activity in medicinal fungi generally.

Scientific Evidence by Area of Use

Important caveat regarding evidence base: Direct clinical (human) trials of rosy conk (Rhodofomes cajanderi / Fomitopsis cajanderi) do not exist in the peer-reviewed literature as of the research available. While there are some laboratory studies indicating that related polypore mushrooms may have bioactive compounds with antimicrobial or anti-inflammatory effects, direct scientific research specifically validating the efficacy of this mushroom for treating conditions in humans is extremely limited and mostly anecdotal. All evidence described below is in vitro (cell culture) or in vivo (animal model), unless otherwise specified. Evidence strength is characterised explicitly for each area.

Cytotoxicity and Anticancer Activity

Evidence strength: Preliminary; in vitro only.

The most directly relevant study to F. cajanderi as a medicinal preparation is a 2021 abstract published in The Journal of Immunology. This study, by Wenner, Froehlich, and Sitkoff (2021), aimed to determine if hot ethanol and aqueous extracts from Fomitopsis cajanderi are cytotoxic to human cancer cell lines and modulate TNF secretion by human monocytes. The hot ethanol extract was prepared via a two-hour Soxhlet extraction of F. cajanderi fruiting body in ethanol; the hot aqueous extract was prepared via a two-hour decoction in water at 100°C. Human MCF7 mammary adenocarcinoma and U-937 histiocytic lymphoma cells were treated with increasing concentrations of extract and assessed for cytotoxicity by XTT colorimetric assay. The ethanol extract exhibited concentration-dependent cytotoxicity against MCF7 and U-937 cells, while the aqueous extract was non-cytotoxic to MCF7 cells but inhibited TNF secretion in LPS-stimulated U-937 cells due to its beta-glucan content. These results were interpreted as indicating the potential of F. cajanderi extracts as novel adjunctive anti-cancer and anti-inflammatory agents.

An earlier, informal investigation by Anna Sitkoff and Olivia Froehlich (Reishi and Roses Botanicals, 2017) specifically examined the cytotoxic effects of hot ethanol and hot aqueous extracts of Fomitopsis cajanderi on the Jurkat cell line (a T-lymphocytic leukemia cell line). The result was concurrent with the hypothesis that the hot ethanol extract would have more direct cytotoxicity because of the triterpene extraction, as triterpenes have been found to have a direct cytotoxic effect in related species. The investigators noted that further research needs to be done exploring the direct mechanism of cytotoxicity with this specific mushroom extract. Most of what is known of aqueous extracts involves their extraction of polysaccharides, which are typically indirectly cytotoxic by inducing cytokine production; further studies were called for to explore whether the hot water extract cytotoxic effect was direct or from stimulating IFN-γ and IL-2 production. HPLC analysis was recommended on both extracts to explore specific constituents of F. cajanderi and to determine if it contains the cytotoxic lanostane triterpene glycosides found in related species.

In terms of the compound-level evidence, all triterpenes isolated from Fomitopsis rosea demonstrated antibacterial activity against S. aureus but possessed no antiradical activity against DPPH radicals — an important qualifier showing compound-specific, rather than broad-spectrum, bioactivity.

These in vitro results are consistent with a wider pattern across the Fomitopsis genus. For related species, ethanol extracts showed concentration-dependent cytotoxicity against MCF7 and U-937 cells, while aqueous extracts modulated TNF secretion; these results collectively indicate potential as adjunctive anti-cancer and anti-inflammatory agents. No human clinical trials on rosy conk for cancer exist.

Antimicrobial Activity

Evidence strength: Preliminary; in vitro only for this species.

From the specific phytochemical investigation of Fomitopsis rosea (the closely related species sharing the "rosy conk" common name), from a biologically active extract from the fungus Fomitopsis rosea, two new lanostane triterpenes and three known triterpenes were isolated; all triterpenes demonstrated antibacterial activity against S. aureus but possessed no antiradical activity against DPPH radicals. This study (Popova et al., 2009, published in a peer-reviewed journal) represents the primary species-specific antibacterial compound identification relevant to rosy conk.

Antibacterial activity against S. aureus has been reported for lanostane derivatives in F. rosea (Popova et al., 2009). For the broader genus, terpenoids in species of Fomitopsis are particularly notable for their antimicrobial, anti-inflammatory, and therapeutic properties. No human antimicrobial trials exist for this species.

Analgesic Activity

Evidence strength: Preliminary; animal model only.

A 2021 study published in Heliyon (Moazzem Hossen SM, Hossain MS, Akbar S, Tahmida U, Mawa J, Uddin Emon N., PMID: 34585013, PMC8455681) investigated five wild mushroom species available in Bangladesh, including Fomitopsis cajanderi. The study was designed to evaluate the cytotoxic and analgesic potential of methanol extracts of five wild mushrooms, using the acetic acid-induced writhing method for analgesic activity and the brine shrimp lethality bioassay for cytotoxicity. The methanol extracts of Daldinia concentrica, Trametes lactinea, Fomitopsis cajanderi, and Daedaleopsis confragosa exhibited a significant (p < 0.001) decrease in the number of writhing events when compared to the control group; except for Lentinus squarrosulus at 200 mg/kg body weight, the remaining mushroom extracts showed equal to or above 50% inhibition of writhing. Cytotoxic screening via brine shrimp lethality bioassay showed decisive cytotoxic action for all mushroom extracts tested. This constitutes preliminary in vivo (rodent model) evidence, not human evidence, and covers the extract as a whole rather than isolated compounds. The mechanism, dose-response curve, and translation to human use remain unstudied.

Anti-inflammatory Activity

Evidence strength: Preliminary; in vitro only for this species.

The beta-glucan-containing aqueous extract of F. cajanderi demonstrated inhibition of TNF-α secretion in LPS-stimulated U-937 monocyte cells in vitro (Wenner et al., 2021, The Journal of Immunology). The aqueous extract was non-cytotoxic to MCF7 cells but inhibited TNF secretion in LPS-stimulated U-937 cells due to its beta-glucan content. TNF-α is a key pro-inflammatory cytokine; its inhibition is a recognised marker for potential anti-inflammatory effect, but in vitro inhibition does not translate automatically to clinical anti-inflammatory benefit in humans.

For the broader genus, anti-inflammatory activity is better characterised. Studies on F. pinicola using animal models showed that extracts evaluated against carrageenan- and formalin-induced acute and chronic edema in mouse models found that an oral dose of 500 mg/kg body weight of the ethyl acetate extract inhibited both acute and chronic inflammation by 52.77% and 46.44% respectively, and the ethanol extract at the same dose inhibited 33.33% and 30.44%. These results pertain to a related species, not R. cajanderi itself.

Antioxidant Activity

Evidence strength: Preliminary; in vitro only.

Research from Kashmir Himalaya evaluated bioactive substances present in methanolic extracts of selected polypore species, including Fomitopsis rosea and Fomitopsis pinicola, for antioxidant, antimicrobial, and cytotoxicity effects. Molecular identification was confirmed via partial DNA sequence analysis of the ITS region of selected samples. For F. rosea specifically, the isolated lanostane triterpenes possessed no antiradical activity against DPPH radicals, indicating that at least the triterpene fraction of F. rosea does not contribute antioxidant activity by that assay, and that antioxidant activity — if present — may reside in other fractions (phenolics, polysaccharides).

Scientific interest in Fomitopsis cajanderi has grown due to its rich content of bioactive compounds such as polysaccharides, phenolics, and terpenoids. Laboratory studies have revealed that extracts from this fungus possess promising antioxidant and antimicrobial properties, which may contribute to overall health when included in nutritional products. However, the characterisation of these results as "promising" should be understood in the context of preliminary in vitro work.

Immunomodulatory Activity

Evidence strength: Preliminary; in vitro only for this species.

Beta-glucans — extracted via hot water decoction — are the primary candidate immunomodulatory constituents in rosy conk, consistent with the pattern established across medicinal polypores. Most of what is known of aqueous extracts involves their extraction of polysaccharides, which are typically indirectly cytotoxic by inducing cytokine production. Beta-glucans interact with pattern recognition receptors (such as Dectin-1) on immune cells, triggering macrophage and natural killer cell activation. The specific quantification of beta-glucan content in F. cajanderi and controlled human immunological studies do not yet exist in the published literature.

Body Systems and Health Areas Associated with Rosy Conk

• Immune system: Polysaccharide (beta-glucan) fractions are hypothesized to support immune function through macrophage and monocyte modulation, based on in vitro findings (Wenner et al., 2021). Members of the Fomitopsis genus have been valued by indigenous peoples for their potential to support immune health.
• Oncology (experimental): In vitro cytotoxicity against MCF7 (breast adenocarcinoma) and U-937 (histiocytic lymphoma) cell lines, and the Jurkat (T-lymphocytic leukemia) cell line, has been reported for ethanol extracts.
• Musculoskeletal / pain: In the rodent model, methanol extracts of F. cajanderi showed significant analgesic activity as measured by the acetic acid writhing test.
• Anti-infective / antimicrobial: Lanostane triterpenes from the related F. rosea demonstrated in vitro antibacterial activity against Staphylococcus aureus.
• Wound care / skin (traditional use): Topical application as poultice for wounds, bruises, and abrasions is documented as traditional use; no controlled human evidence exists.
• Anti-inflammatory: Aqueous extracts showed inhibition of TNF-α in in vitro monocyte models; related genus members have shown anti-inflammatory effects in animal models.
• Gastrointestinal (traditional use in related species): For related species, historical use includes purgative and emetic applications, with modern herbalists utilizing extracts for gastrointestinal health.
• Cardiovascular (speculative): The genus broadly has been cited for promising applications in cardiovascular health, though no species-specific evidence exists for rosy conk.

Dosage Forms and Dosages Reported in Studies

No established therapeutic dose, no pharmacopoeial monograph, and no regulatory approved dosage exists for Rhodofomes cajanderi as a dietary supplement or medicine. The following dosage details are drawn solely from the experimental studies cited above, presented as described in those sources only:

• Analgesic study (Moazzem Hossen et al., Heliyon, 2021): Methanol extracts of Fomitopsis cajanderi were tested in the acetic acid-induced writhing model, with most mushroom extracts showing 50% or greater inhibition of writhing; Lentinus squarrosulus at 200 mg/kg was the exception. Exact dosing data for F. cajanderi specifically in this study are not extractable from the abstract alone.
• Anti-inflammatory study (Kashmirian research on F. pinicola, for reference to a related species): An oral dose of 500 mg/kg body weight of the ethyl acetate extract (in mouse model) inhibited both acute and chronic inflammation by 52.77% and 46.44% respectively. This is a rodent dosage for a related but distinct species.
• Cytotoxicity / immunological study (Wenner et al., J. Immunology, 2021): Hot ethanol extract was prepared via 2-hour Soxhlet extraction; hot aqueous extract via 2-hour decoction at 100°C. Concentrations used in cell assays were increasing concentrations tested by XTT colorimetric assay; specific concentrations are not stated in the abstract.

No human dose-finding, dose-escalation, or pharmacokinetic study of rosy conk has been published.

Safety Considerations

Inedibility: The fruiting body of rosy conk is classified as inedible. The hard, woody texture makes the fruiting body unsuitable for direct consumption as food.

Cytotoxicity signal: Hot ethanol extracts of R. cajanderi have been found to have strong cytotoxic effects in cell culture systems. Cytotoxicity in cell lines does not automatically predict safety in humans, but it indicates that concentrated extracts — particularly ethanol-based extracts — warrant careful evaluation before use. The same cytotoxic property being investigated for potential anticancer utility could, theoretically, cause harm to normal cells at higher concentrations; selective cytotoxicity against cancer cells versus normal cells has not been characterized for this species.

No established human safety data: No clinical toxicology studies, no human adverse event reporting, and no formal safety assessments (such as those conducted by EFSA, NIH/NCCIH, or regulatory bodies) have been published for Rhodofomes cajanderi preparations. The absence of reported harms in traditional use does not constitute evidence of safety for concentrated modern extracts.

Overharvesting and conservation: F. cajanderi is not currently considered vulnerable to overharvesting. By contrast, the closely related Fomitopsis rosea is described in the scientific literature as a "threatened wood-decay fungus" (as reflected in the title of the key antibacterial triterpene paper: Popova et al., 2009, "Antibacterial triterpenes from the threatened wood-decay fungus Fomitopsis rosea"), and is of conservation concern in parts of its range.

Potential for misidentification: Multiple species share the "rosy conk" common name or similar visual characteristics, including Rhodofomes roseus (Fomitopsis rosea), and superficially similar species such as Fomitopsis pinicola, Ganoderma lucidum, and Rhodonia placenta. Misidentification could lead to exposure to a species with a different bioactivity or safety profile. Molecular identification (e.g., ITS region sequencing) is the definitive method.

Potential drug interactions: Based on in silico molecular docking data from the Moazzem Hossen et al. (2021) study, in silico molecular docking and ADME/T study were employed to assess the binding affinity of phytoconstituents to COX-1, COX-2, and cytochrome P450 2C9. Modulation of cytochrome P450 2C9 — a key drug-metabolizing enzyme — would, if confirmed in vitro and in vivo, have implications for drug-drug interactions. This represents only in silico (computational) data and should not be taken as confirmed pharmacokinetic evidence.

No established contraindications: Due to the extremely limited human data, formal contraindication profiles cannot be established. The immunomodulatory activity theorized from beta-glucan content raises theoretical concerns for use in immunocompromised individuals or those on immunosuppressive regimens, consistent with precautions applied to other beta-glucan-rich medicinal mushrooms.

Current Research Landscape and Knowledge Gaps

The genus Fomitopsis comprises highly diverse fungi with unique ecological distributions and bioactive properties. Species including F. cajanderi have been studied for their medicinal and industrial potential. Initially recognized for their role in wood decomposition, these fungi are now celebrated as a rich source of bioactive compounds with significant therapeutic applications.

There is not yet extensive research on Fomitopsis cajanderi specifically, though there is some research on other mushrooms of the same genus, particularly Fomitopsis pinicola and Fomitopsis nigra. Key unanswered questions include: the full phytochemical profile of R. cajanderi (HPLC characterization of specific compounds has not been published), the mechanism of cytotoxic action, selective toxicity between cancer and normal cells, pharmacokinetics, and any human safety or efficacy data. By integrating traditional medicinal knowledge with recent scientific advances, the Fomitopsis genus broadly is being reviewed for biomedical significance and industrial relevance.

References

• Wikipedia: Fomitopsis cajanderi (Rhodofomes cajanderi)
• GBIF Backbone Taxonomy: Rhodofomes cajanderi (P.Karst.) B.K.Cui, M.L.Han & Y.C.Dai
• NCBI Taxonomy Browser: Rhodofomes cajanderi
• Popova M et al. Antibacterial triterpenes from the threatened wood-decay fungus Fomitopsis rosea. Fitoterapia. 2009. ScienceDirect.
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• Frontiers (full text): The bioactive compounds, beneficial medicinal properties, and biotechnological prospects of Fomitopsis: a comprehensive overview. 2025.
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