identifier	taxonID	type	CVterm	format	language	title	description	additionalInformationURL	UsageTerms	rights	Owner	contributor	creator	bibliographicCitation
14566280B2C85BFCA7B47FFC0858F71A.text	14566280B2C85BFCA7B47FFC0858F71A.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Collybiopsis dentata J. Q. Yan, L. Ding, & S. N. Wang 2025	<div><p>Collybiopsis dentata J. Q. Yan, L. Ding, &amp; S. N. Wang sp. nov.</p><p>Fig. 4</p><p>Etymology.</p><p>Refer to the Latin “ dens, ” meaning “ tooth ” — the lamellae edges are dentate.</p><p>Holotype.</p><p>China • Zhejiang Province: Lishui City, Qingtian County, Shigu Lake, 31 July 2021, Jun-Qing Yan, Bin-Rong Ke, Zhi-Heng Zeng, HFJAU 2586.</p><p>Diagnosis.</p><p>This species is characterized by white lamellae that are free, basidiospores 3.9–4.7 µm broad, fusiform to utriform pleurocystidia, and cheilocystidia measuring up to 30–71 × 17–29 µm.</p><p>Macrostructures.</p><p>Pileus 3.0– 8.5 mm in diam., convex to plane, umbilicate, margin entire, sulcate towards margin, white, light brown (7 D 5–6) at the center. Lamellae free, distant, with 1– 2 types of lamellulae, white, edges serrate, concolorous with the lamellae. Stipe 2.0–4.0 × 0.4–1.0 mm, central, hollow, cylindrical, equal, darkening towards the base, white at the apex to reddish-brown (8 E 5–6) at the base, surface covered with white pruinose, no white mycelium observed at the base.</p><p>Microstructures.</p><p>Basidiospores in side view [n = 44] (6.3) 6.7–8.2 (8.6) × (3.8) 3.9–4.7 (5.0) µm (av = 7.5 × 4.3 µm, Q = 1.6–2.0 (2.1) (Qm = 1.7 ± 0.11), elongated-ellipsoid to cylindrical, in profile slightly curved or flattened on one side; in face view 3.9–4.9 (5.0) µm broad, elongated-ellipsoid to cylindrical, thin-walled, hyaline, non-amyloid. Basidia 18–26 × 7.0–9.6 µm, clavate, 4 - or 2 - spored. Pleurocystidia 20–32 × 5.5–8.1 µm, abundant, fusiform, utriform, thin-walled, hyaline. Cheilocystidia (28) 30–71 (152) × 17–29 µm, abundant, pyriform, with pedicellate spherical shapes, broad clavate, with short projections on the surface, occasionally branched, with pedicel 2.6–7.9 µm broad, branches 3.2–7.6 × 0.6–1.7 µm, thin-walled, hyaline. Pileipellis a cutis, with rameales-type structure, hyphal cells 2.1–14 µm broad. Stipitipellis a cutis, with numerous small protrusions on the hyphae, hyphal cells 2.7–14 µm broad, protrusions 1.5–7.1 × 1.0–5.8 µm, thin-walled. Caulocystidia 8.8–55 × 5.1–14 µm, abundant, cylindrical, surface with protuberances, occasionally branches, branches 1.4–7.4 × 0.9–3.2 µm, thin-walled. Clamp connections present.</p><p>Habitat.</p><p>Gregarious on decaying wood in mixed forests.</p><p>Distribution.</p><p>China.</p><p>Additional specimens examined.</p><p>China • Zhejiang Province: Lishui City, Qingtian County, Shigu Lake, 31 July 2021, Jun-Qing Yan, Bin-Rong Ke, Zhi-Heng Zeng, HFJAU 5718 .</p><p>Remarks.</p><p>Collybiopsis dentata is morphologically similar to C. californica, C. filamentipes, and C. foliiphila within the C. ramealis complex, all having a cutis of pileipellis with rameales-type structure and cheilocystidia with rameales-type structure. However, C. californica has narrower basidiospores (3.0–3.3 µm), smaller cheilocystidia (20–42 × 6–20 µm), and absence of pleurocystidia (Desjardin 1987). Collybiopsis filamentipes has adnexed to subdecurrent lamellae, narrower basidiospores (2.5–3.5 µm), narrower cheilocystidia (8–18 µm), smaller caulocystidia (5–20 × 6–9 µm), cylindrical to digitate, and rarely branched (Petersen and Hughes 2021). Collybiopsis foliiphila has narrower basidiospores (3.0–3.7 µm), lamellae often with rusty tawny to dark brick-colored spots, smaller cheilocystidia (28.6–31 × 9–12 µm), and absence of pleurocystidia (Dutta et al. 2015).</p></div>	https://treatment.plazi.org/id/14566280B2C85BFCA7B47FFC0858F71A	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Ding, Ling;Zhong, Ben-Jian;Zeng, Hui;Wang, Sheng-Nan;Yan, Jun-Qing	Ding, Ling, Zhong, Ben-Jian, Zeng, Hui, Wang, Sheng-Nan, Yan, Jun-Qing (2025): Four new species of Collybiopsis (Omphalotaceae, Agaricales) from subtropical regions of China. MycoKeys 118: 289-311, DOI: 10.3897/mycokeys.118.155560
9EE8397EBF76564982D1C45836668700.text	9EE8397EBF76564982D1C45836668700.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Collybiopsis fucata J. Q. Yan, L. Ding, & S. N. Wang 2025	<div><p>Collybiopsis fucata J. Q. Yan, L. Ding, &amp; S. N. Wang sp. nov.</p><p>Fig. 3</p><p>Etymology.</p><p>Refer to the Latin “fucatus,” meaning “painted” — the lamellae edges are fucata.</p><p>Holotype.</p><p>China • Zhejiang Province, Lanni Lake, Qingtian County, Lishui City, 6 July 2021, Jun-Qing Yan, HFJAU 2535.</p><p>Diagnosis.</p><p>This species is characterized by the reddish-brown, hygrophanous pileus; white lamellae that are adnate to adnexed; reddish-brown stipe with a white apex; basidiospores 3.9–5.2 µm broad; fusiform to utriform pleurocystidia; and cheilocystidia 25–65 × 11–31 µm.</p><p>Macrostructures.</p><p>Pileus 6.5–14 mm in diam., hemispherical when young, then becoming convex, applanate when mature, umbilicate at center, margin entire, surface smooth or with striations, hygrophanous, reddish-brown (8 D 4–5), with color fading from the center to the margin and gradually paling from the margin to the center as the hygrophanous effect disappears, center light brown (7 D 5–6). Lamellae adnate to slightly adnexed, distant, with 1– 2 types of lamellulae, white, with entire edges, concolorous with the lamellae. Stipe 4.0–8.9 × 0.5–1.0 mm, central, hollow, cylindrical, equal, darkening towards the base, white at the apex to reddish-brown (8 E 5–6) at the base, surface covered with white fibrils, no white mycelium observed at the base.</p><p>Microstructures.</p><p>Basidiospores in side view [n = 118] (6.7) 7.0–9.1 (9.7) × (3.3) 3.9–5.2 (5.4) µm (av = 8.1 × 4.4 µm, Q = (1.5) 1.6–2.1 (2.2) (Qm = 1.8 ± 0.1), ellipsoid to elongated-ellipsoid, in profile slightly curved or flattened on one side; in face view 4.0–5.0 (5.1) µm broad, ellipsoid to elongated-ellipsoid, thin-walled, hyaline, non-amyloid. Basidia 21–30 × 5.4–8.5 µm, clavate, 4 - or 2 - spored. Pleurocystidia 17–34 × 4.2–8.0 µm, abundant, fusiform, utriform, thin-walled, hyaline. Cheilocystidia 25–65 × 11–31 µm, abundant, with pedicellate spherical shapes, occasionally broad club-shaped or clavate, with short protuberances on the surface and occasionally branched, with pedicel 2.5–7.5 µm broad, branches 2.6–15 × 1.1–3.1 µm, thin-walled, hyaline. Pileipellis a cutis, with rameales-type structure, hyphal cells 2.1–8.6 µm broad. Stipitipellis a cutis, with numerous small protrusions on the hyphae, hyphal cells 2.9–13 µm broad, protrusions 3.2–13 × 1.5–6.1 µm, thin-walled. Clamp connections present.</p><p>Habitat.</p><p>Scattered or gregarious on decaying wood in mixed forests and broad-leaved forests.</p><p>Distribution.</p><p>China.</p><p>Additional specimens examined.</p><p>China • Hubei Province: Longmenhe Village, Xingshan County, Yichang City, 29 June 2024, Jun-Qing Yan, Lin-Gen Chen, Hong Chen, and Ling Ding, HFJAU 5343 ; Zhejiang Province: Lanni Lake, Qingtian County, Lishui City, 1 August 2021, Jun-Qing Yan, Bin-Rong Ke and Zhi-Heng Zeng, HFJAU 2653 .</p><p>Remarks.</p><p>Collybiopsis fucata is morphologically similar to C. californica (Desjardin) R. H. Petersen, C. filamentipes R. H. Petersen, and C. foliiphila (A. K. Dutta, K. Acharya &amp; Antonín) R. H. Petersen within the C. ramealis complex, all having a cutis of pileipellis with rameales-type structure and cheilocystidia with rameales-type structure. However, C. californica has a longer stipe (10–46 mm long), narrower basidiospores (3.0–3.3 µm), smaller cheilocystidia (20–42 × 6–20 µm), and absence of pleurocystidia (Desjardin 1987). Collybiopsis filamentipes has adnexed to subdecurrent lamellae, a longer stipe (12–21 mm), narrower basidiospores (2.5–3.5 µm), and narrower cheilocystidia (8–18 µm broad), clavate to broad clavate, occasionally stoutly dichotomous (Petersen and Hughes 2021). Collybiopsis foliiphila has white pileus, lamellae often with rusty tawny to dark brick-colored spots, narrower basidiospores (3.0–3.7 µm), smaller cheilocystidia (28.6–31 × 9–12 µm), and absence of pleurocystidia (Dutta et al. 2015).</p></div>	https://treatment.plazi.org/id/9EE8397EBF76564982D1C45836668700	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Ding, Ling;Zhong, Ben-Jian;Zeng, Hui;Wang, Sheng-Nan;Yan, Jun-Qing	Ding, Ling, Zhong, Ben-Jian, Zeng, Hui, Wang, Sheng-Nan, Yan, Jun-Qing (2025): Four new species of Collybiopsis (Omphalotaceae, Agaricales) from subtropical regions of China. MycoKeys 118: 289-311, DOI: 10.3897/mycokeys.118.155560
80C3ECCFD74E53C3959D53CD311479CA.text	80C3ECCFD74E53C3959D53CD311479CA.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Collybiopsis latispora J. Q. Yan, L. Ding, & S. N. Wang 2025	<div><p>Collybiopsis latispora J. Q. Yan, L. Ding, &amp; S. N. Wang sp. nov.</p><p>Fig. 5</p><p>Etymology.</p><p>Refer to the Latin “ latus, ” meaning “ broad ” — the species having wide basidiospores.</p><p>Holotype.</p><p>China • Fujian Province, Wuyishan Mountain, 12 August 2021, Qin Na, Yu-Peng Gai, HFJAU 3109.</p><p>Diagnosis.</p><p>This species is characterized by white lamellae with a minute, snow-white ring or ruff at the stipe base; basidiospores 4.3–5.9 µm broad; subcylindrical, narrow fusiform, narrow utriform pleurocystidia; and cheilocystidia 16–47 × 13–24 µm.</p><p>Macrostructures.</p><p>Pileus 2.5–6.5 mm in diam., convex to plane, margin entire, sulcate towards margin, white, brownish-orange (7 C 3) at the center. Lamellae adnexed, distant, with 1– 2 types of lamellulae, white, edges serrate, concolorous with the lamellae. Stipe 2.1–4.2 × 0.4–0.7 mm, central, hollow, cylindrical, equal, light brown (7 D 5–6), white at approximately three-quarters of the base, surface covered with white pruinose, with minute snow white ring or ruff on stipe base.</p><p>Microstructures.</p><p>Basidiospores in side view [n = 43] (6.4) 6.7–8.1 (8.2) × (4.1) 4.3–5.9 (6.2) µm (av = 7.4 × 4.8 µm, Q = 1.3–1.6 (1.8) (Qm = 1.5 ± 0.09), ellipsoid to elongated-ellipsoid, in profile slightly curved or flattened on one side; in face view (4.3) 4.5–5.7 (7.3) µm broad, broadly ellipsoid, ellipsoid to elongated-ellipsoid, thin-walled, hyaline, non-amyloid. Basidia 16–28 × 5.1–8.6 µm, clavate, 2 - or 4 - spored. Pleurocystidia 18–37 × 4.4–7.3 µm, abundant, subcylindrical, narrow fusiform, narrow utriform, thin-walled, hyaline. Cheilocystidia 16–47 × 13–24 µm, abundant, pyriform, broad clavate, with pedicellate spherical shapes, with short projections on the surface, occasionally branched, with pedicel 3.1–6.6 µm broad, branches 2.7–11 × 1.2–3.1 µm, thin-walled, hyaline. Pileipellis a cutis, with rameales-type structure, hyphal cells 3.8–9.1 µm broad. Stipitipellis a cutis, hyphal cells 3.3–7.7 µm broad, thin-walled. Caulocystidia 21–47 × 3.4–9.7 µm, abundant, cylindrical, surface with protuberances or branches, thin-walled. Clamp connections present.</p><p>Ecology.</p><p>Scattered on dead branches in mixed forests.</p><p>Remarks.</p><p>Collybiopsis latispora is morphologically similar to C. californica, C. filamentipes, and C. foliiphila within the C. ramealis complex, all having a cutis of pileipellis with rameales-type structure and cheilocystidia with rameales-type structure. However, C. californica has a longer stipe (10–46 mm), narrower basidiospores (3.0–3.3 µm), and absence of pleurocystidia (Desjardin 1987). Collybiopsis filamentipes has a longer stipe (12–21 mm), smooth, narrower basidiospores (2.5–3.5 µm), and cheilocystidia that are typically clavate to broad clavate, occasionally stoutly dichotomous (Petersen and Hughes 2021). Collybiopsis foliiphila has lamellae often with rusty tawny to dark brick-colored spots, narrower basidiospores (3.0–3.7 µm), narrower cheilocystidia (9–12 µm), and absence of pleurocystidia (Dutta et al. 2015).</p></div>	https://treatment.plazi.org/id/80C3ECCFD74E53C3959D53CD311479CA	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Ding, Ling;Zhong, Ben-Jian;Zeng, Hui;Wang, Sheng-Nan;Yan, Jun-Qing	Ding, Ling, Zhong, Ben-Jian, Zeng, Hui, Wang, Sheng-Nan, Yan, Jun-Qing (2025): Four new species of Collybiopsis (Omphalotaceae, Agaricales) from subtropical regions of China. MycoKeys 118: 289-311, DOI: 10.3897/mycokeys.118.155560
D46E8C6F5864555998570F1221ADD180.text	D46E8C6F5864555998570F1221ADD180.taxon	http://purl.org/dc/dcmitype/Text	http://rs.tdwg.org/ontology/voc/SPMInfoItems#GeneralDescription	text/html	en	Collybiopsis subpolygramma J. Q. Yan, L. Ding, & S. N. Wang 2025	<div><p>Collybiopsis subpolygramma J. Q. Yan, L. Ding, &amp; S. N. Wang sp. nov.</p><p>Fig. 2</p><p>Etymology.</p><p>Referring to its similarity to C. polygramma, that pileus is sulcate.</p><p>Holotype.</p><p>China • Zhejiang Province, Lishui City, Qingtian County, Lanni Lake, 1 August 2021, Jun-Qing Yan, Bin-Rong Ke and Zhi-Heng Zeng, HFJAU 2658.</p><p>Diagnosis.</p><p>This species is characterized by its pileal surface, white in color with a light brown center; crowded and occasionally forked lamellae; white to black-brown stipe; slender cylindrical cheilocystidia; basidia mainly 2 - spored; and absence of pleurocystidia.</p><p>Macrostructures.</p><p>Pileus 32–61 mm in diam., convex to plane, becoming uplifted in age, umbonate at disc, surface smooth, sulcate up to center from the margin, light brown (7 D 5–6) at the center, gradually becoming lighter towards the margin, margin white. Lamellae adnexed, occasionally forked, crowded, with 1– 3 types of lamellulae, white. Stipe 49–68 × 2.4–4.2 mm, central, hollow, cylindrical, equal, white to black-brown (8 F 5), surface covered with white fibrils, base covered with white mycelium.</p><p>Microstructures.</p><p>Basidiospores in side view [n = 115] (5.9) 6.4–8.1 (8.7) × (3.7) 4.1–5.1 (5.2) µm (av = 7.2 × 4.6 µm, Q = 1.4–1.8 (2.0) (Qm = 1.6 ± 0.1), ellipsoid to elongated-ellipsoid, in profile slightly curved or flattened on one side; in face view (3.7) 4.0–5.0 (5.1) µm broad, ellipsoid to elongated-ellipsoid, thin-walled, hyaline, non-amyloid. Basidia 24–34 × 5.6–7.9 µm, clavate, 2 - spored, occasionally 4 - spored. Pleurocystidia absent. Cheilocystidia 21–50 × 5.9–8.6 µm, abundant, slender cylindrical, occasionally fusiform, apex obtuse, occasionally mucronate or capitate, sometimes with small tubercles, thin-walled, hyaline. Pileipellis a cutis, hyphal cells 2.9–9.9 µm broad. Stipitipellis a cutis, hyphal cells 4.0–9.7 µm broad, thin-walled. Caulocystidia 29–100 × 5.1–8.4 µm, abundant, slender cylindrical, apex obtuse or capitate, thin-walled. Clamp connections present.</p><p>Habitat.</p><p>Scattered or gregarious on the ground in mixed broad-leaved forests.</p><p>Distribution.</p><p>China.</p><p>Additional specimens examined.</p><p>China • Fujian Province: Wuyishan City, Daliankeng, 6 June 2022, Jun-Qing Yan and Lin-Gen Chen, HFJAU 3551 ; Zhejiang Province: Lishui City, Qingtian County, Lanni Lake, 1 August 2021, Jun-Qing Yan, Bin-Rong Ke and Zhi-Heng Zeng, HFJAU 2644 ; Qingtian, 31 August 2021, Ya-Ping Hu, HFJAU 3277 .</p><p>Remarks.</p><p>Collybiopsis subpolygramma is morphologically similar to G. coracicolor (Berk. &amp; M. A. Curtis) J. L. Mata, G. hondurensis (Murrill) J. L. Mata, C. neotropica (Singer) R. H. Petersen and C. polygramma, all of which have a cutis of pileipellis without rameales-type structure, similarly shaped basidiospores, and the absence of pleurocystidia. However, G. coracicolor has smaller pileus (shorter than 25 mm), larger cheilocystidia (70 × 8–10 µm), and brown incrustation on the pileipellis hyphae (Dennis 1951). Gymnopus hondurensis has four-spored basidia and clavate cheilocystidia (Mata and Ovrebo 2009). Collybiopsis neotropica has smaller pileus (shorter than 23 mm), larger basidiospores (8.2–9.7 × 4.3–4.8 µm), larger basidia (29–32 × 6.8–9.7 µm) with four spores, and irregular, filamentous cheilocystidia (Singer 1961). Collybiopsis polygramma has smaller pileus (shorter than 25 mm) with a distinct umbilicate, absence of cheilocystidia, and hyphae of stipe are thick-walled, up to 3 µm (Mata and Petersen 2003).</p><p>Additionally, G. lodgeae (Singer) J. L. Mata also has a cutis of pileipellis without rameales-type structure and similarly shaped basidiospores. However, G. lodgeae has a smaller pileus (shorter than 20 mm), larger cheilocystidia (32–56 × 10–14 µm), and the presence of pleurocystidia (Mata and Petersen 2003).</p></div>	https://treatment.plazi.org/id/D46E8C6F5864555998570F1221ADD180	Public Domain	No known copyright restrictions apply. See Agosti, D., Egloff, W., 2009. Taxonomic information exchange and copyright: the Plazi approach. BMC Research Notes 2009, 2:53 for further explanation.		Pensoft via Plazi	Ding, Ling;Zhong, Ben-Jian;Zeng, Hui;Wang, Sheng-Nan;Yan, Jun-Qing	Ding, Ling, Zhong, Ben-Jian, Zeng, Hui, Wang, Sheng-Nan, Yan, Jun-Qing (2025): Four new species of Collybiopsis (Omphalotaceae, Agaricales) from subtropical regions of China. MycoKeys 118: 289-311, DOI: 10.3897/mycokeys.118.155560
