Abstract
West Bengal, a significant landmass of eastern India with its varied topography, edaphic, and climatic conditions facilitates diversified forest types and conducive microhabitats for a wide array of macro-fungal wealth and the members of Aphyllophorales in particular. Detailed macro-microscopic characterizations and chemical reactions were performed to systematically identify the specimens using standard key and literatures. Six members of Aphyllophorales collected from different parts of West Bengal, India and four species belonging to the family Polyporaceae [Hexagonia tenuis (Fr.) Fr., Polyporus arcularius (Batsch) Fr., P. tricholoma Mont. and Lenzites elegans (Spreng.) Pat.] were identified, and a single species was identified under Meripiliaceae [Physisporinus lineatus (Pers.) F. Wu, Jia J. Chen & Y.C. Dai] and Meruliaceae [Bjerkandera fumosa (Pers.) P. Karst.]. The detailed description along with field and herbarium photographs, macro-morphology, and microscopic features of six species are provided in this article.
Highlights
Remarks: The present specimen is characterized by its sessile basidiocarp, semicircular, glabrous pelius with concentric zones; greyish violet (17D6) in KOH when fresh and blackening in KOH when dry; hexagonal shaped pores, 1 per mm; trimitic type of hyphal system; clamped generative hyphae; basidiospores measuring 13.60–22.19 × 3.58–4.29 μm in diameter with mean Q value of 4.33
Considering morphological features, the description of our collected specimen matches with the earlier report of Uttarakhand (Sharma 2012) and the collection reported from Bardwan (Roy et al 1996) and America (Jung et al 2014) varies a bit from the present collection with regards to the longer size of the basidiospores (4– 6.5 × 2–3.5 μm and 5–5.5 × 2–3.5 μm respectively)
Is well characterized by its white (1A1) to purplish-grey (13D2) pileus upper surface; grey (7B1) to greyish-red (7B3) hymenophore; double layered context, upper whitish and lower greyish-orange (6B3) near the base; thin
Summary
Remarks: The present specimen is characterized by its sessile basidiocarp, semicircular, glabrous pelius with concentric zones; greyish violet (17D6) in KOH when fresh and blackening in KOH when dry; hexagonal shaped pores, 1 per mm; trimitic type of hyphal system; clamped generative hyphae; basidiospores measuring 13.60–22.19 × 3.58–4.29 μm in diameter with mean Q value of 4.33. Remarks: Polyporus arcularius (Batsch) Fr. possesses characteristic features like centrally stipitate basidiocarp; thin, ciliated margin; pores 1–2 per mm, angular to pentagonal; slightly pubescent stipe towards the base; dimitic type of hyphal system; clamped generative hyphae; dendritic type of binding hyphae; hyaline, cylindrical, apiculate, guttulate basidiospores measuring 5–7.88 × 1.7–3.58 μm in diameter with mean Q value of 2.48.
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