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Mycology
An International Journal on Fungal Biology
Volume 15, 2024 - Issue 2
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Research Article

Four new species of Russula from the Xizang Autonomous Region and other provinces of China

Shi-Hui Wanga State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China;b School of Plant Protection, Jilin Agricultural University, Changchun, ChinaView further author information
,
Guo-Jie Lic Key Laboratory of Vegetable Germplasm Innovation and Utilization of Hebei, Collaborative Innovation Center of Vegetable, College of Horticulture, Hebei Agricultural University, Baoding, ChinaView further author information
,
Dorji Phurbud Tibet Plateau Institute of Biology, Lhasa, ChinaView further author information
,
Mao-Qiang Hea State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, ChinaView further author information
,
Ming-Zhe Zhanga State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China;e College of Life Sciences, University of Chinese Academy of Sciences, Beijing, ChinaView further author information
,
Xin-Yu Zhua State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, ChinaView further author information
,
Jia-Xin Lia State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China;e College of Life Sciences, University of Chinese Academy of Sciences, Beijing, ChinaView further author information
,
Rui-Lin Zhaoa State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China;e College of Life Sciences, University of Chinese Academy of Sciences, Beijing, ChinaCorrespondence[email protected]
View further author information
&
Bin Caoa State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing, China;e College of Life Sciences, University of Chinese Academy of Sciences, Beijing, ChinaCorrespondence[email protected]
View further author information
 show all
Pages 210-237 | Received 09 Jun 2023, Accepted 27 Sep 2023, Published online: 02 Nov 2023

Figures & data

Table 1. Sequences used in phylogenetic analysis based on ITS.

Table 2. Sequences used in phylogenetic analysis based on 4-locus data.

Figure 1. Maximum likelihood tree of subgen. Russula crown clade based on ITS sequences, bootstrap values higher than 70% were displayed around nodes. Accession numbers of the four species are shown in red. “T” refers to a type specimen.

Figure 1. Maximum likelihood tree of subgen. Russula crown clade based on ITS sequences, bootstrap values higher than 70% were displayed around nodes. Accession numbers of the four species are shown in red. “T” refers to a type specimen.

Figure 1. (Continued).

Figure 1. (Continued).

Figure 2. Maximum likelihood tree of subgen. Russula crown clade based on 4-locus (nucLSU-mtSSU-rpb2-tef1) combined sequences, bootstrap values higher than 70% were displayed around nodes. Collections of the two novel species are shown in red. “T” refers to a type specimen.

Figure 2. Maximum likelihood tree of subgen. Russula crown clade based on 4-locus (nucLSU-mtSSU-rpb2-tef1) combined sequences, bootstrap values higher than 70% were displayed around nodes. Collections of the two novel species are shown in red. “T” refers to a type specimen.

Figure 2. (Continued).

Figure 2. (Continued).

Figure 3. Basidiomata in the field. (a) Russula paragraveolens (HMAS281158, holotype). (b) R. pseudograveolens (HMAS287384, holotype). (c–d) R. pseudograveolens (HMAS279577). (e–f) R. pseudograveolens (HMAS279579). (g–h) R. yadongensis (HMAS287387). (i) R. yadongensis (HMAS287386, holotype). (j) R. yadongensis (HMAS287388). (k–l) R. shigatseensis (HMAS287390). (m) R. shigatseensis (HMAS287389, holotype). (n–o) R. shigatseensis (HMAS287391).

Figure 3. Basidiomata in the field. (a) Russula paragraveolens (HMAS281158, holotype). (b) R. pseudograveolens (HMAS287384, holotype). (c–d) R. pseudograveolens (HMAS279577). (e–f) R. pseudograveolens (HMAS279579). (g–h) R. yadongensis (HMAS287387). (i) R. yadongensis (HMAS287386, holotype). (j) R. yadongensis (HMAS287388). (k–l) R. shigatseensis (HMAS287390). (m) R. shigatseensis (HMAS287389, holotype). (n–o) R. shigatseensis (HMAS287391).

Figure 4. Basidiospores under scanning electron microscope. (a–b) Russula paragraveolens (HMAS281158, holotype). (c–d) R. pseudograveolens (HMAS287384, holotype). (e–f) R. yadongensis (HMAS287386, holotype). (g–h) R. shigatseensis (HMAS287389, holotype).

Figure 4. Basidiospores under scanning electron microscope. (a–b) Russula paragraveolens (HMAS281158, holotype). (c–d) R. pseudograveolens (HMAS287384, holotype). (e–f) R. yadongensis (HMAS287386, holotype). (g–h) R. shigatseensis (HMAS287389, holotype).

Figure 5. Russula paragraveolens (HMAS281158, holotype), hymenium. (a) Basidia. (b) Basidiola. (c) Marginal cells on the lamella edges. (d) Hymenial cystidia near the lamella sides. (e) Hymenial cystidia on the lamella edges. Cystidia with contents as observed in Congo red. Scale bar = 10 μm.

Figure 5. Russula paragraveolens (HMAS281158, holotype), hymenium. (a) Basidia. (b) Basidiola. (c) Marginal cells on the lamella edges. (d) Hymenial cystidia near the lamella sides. (e) Hymenial cystidia on the lamella edges. Cystidia with contents as observed in Congo red. Scale bar = 10 μm.

Figure 6. Russula paragraveolens (HMAS281158, holotype), pileipellis. (a) Pileocystidia near the pileus centre. (b) Hyphal terminations near the pileus centre. (c) Pileocystidia near the pileus margin. (d) Hyphal terminations near the pileus margin. Cystidial contents as observed in Congo red. Scale bar = 10 μm.

Figure 6. Russula paragraveolens (HMAS281158, holotype), pileipellis. (a) Pileocystidia near the pileus centre. (b) Hyphal terminations near the pileus centre. (c) Pileocystidia near the pileus margin. (d) Hyphal terminations near the pileus margin. Cystidial contents as observed in Congo red. Scale bar = 10 μm.

Figure 7. Russula pseudograveolens (HMAS287384, holotype), hymenium. (a) Basidia. (b) Basidiola. (c) Marginal cells on the lamella edges. (d) Hymenial cystidia near the lamella sides. (e) Hymenial cystidia on the lamella edges. Cystidia with contents as observed in Congo Red. Scale bar = 10 μm.

Figure 7. Russula pseudograveolens (HMAS287384, holotype), hymenium. (a) Basidia. (b) Basidiola. (c) Marginal cells on the lamella edges. (d) Hymenial cystidia near the lamella sides. (e) Hymenial cystidia on the lamella edges. Cystidia with contents as observed in Congo Red. Scale bar = 10 μm.

Figure 8. Russula pseudograveolens (HMAS287384, holotype), pileipellis. (a) Pileocystidia near the pileus centre. (b) Hyphal terminations near the pileus centre. (c) Pileocystidia near the pileus margin. (d) Hyphal terminations near the pileus margin. Cystidial contents as observed in Congo Red. Scale bar = 10 μm.

Figure 8. Russula pseudograveolens (HMAS287384, holotype), pileipellis. (a) Pileocystidia near the pileus centre. (b) Hyphal terminations near the pileus centre. (c) Pileocystidia near the pileus margin. (d) Hyphal terminations near the pileus margin. Cystidial contents as observed in Congo Red. Scale bar = 10 μm.

Figure 9. Russula shigatseensis (HMAS287389, holotype), hymenium. (a) Basidia. (b) Basidiola. (c) Marginal cells on the lamella edges. (d) Hymenial cystidia near the lamella sides. (e) Hymenial cystidia on the lamella edges. Cystidia with contents as observed in Congo Red. Scale bar = 10 μm.

Figure 9. Russula shigatseensis (HMAS287389, holotype), hymenium. (a) Basidia. (b) Basidiola. (c) Marginal cells on the lamella edges. (d) Hymenial cystidia near the lamella sides. (e) Hymenial cystidia on the lamella edges. Cystidia with contents as observed in Congo Red. Scale bar = 10 μm.

Figure 12. Russula yadongensis (HMAS287386, holotype), pileipellis. (a) Pileocystidia near the pileus centre. (b) Hyphal terminations near the pileus centre. (c) Pileocystidia near the pileus margin. (d) Hyphal terminations near the pileus margin. Cystidial contents as observed in Congo Red. Scale bar = 10 μm.

Figure 12. Russula yadongensis (HMAS287386, holotype), pileipellis. (a) Pileocystidia near the pileus centre. (b) Hyphal terminations near the pileus centre. (c) Pileocystidia near the pileus margin. (d) Hyphal terminations near the pileus margin. Cystidial contents as observed in Congo Red. Scale bar = 10 μm.

Figure 11. Russula yadongensis (HMAS287386, holotype), hymenium. (a) Basidia. (b) Basidiola. (c) Marginal cells on the lamella edges. (d) Hymenial cystidia near the lamella sides. (e) Hymenial cystidia on the lamella edges. Cystidia with contents as observed in Congo Red. Scale bar = 10 μm.

Figure 11. Russula yadongensis (HMAS287386, holotype), hymenium. (a) Basidia. (b) Basidiola. (c) Marginal cells on the lamella edges. (d) Hymenial cystidia near the lamella sides. (e) Hymenial cystidia on the lamella edges. Cystidia with contents as observed in Congo Red. Scale bar = 10 μm.

Figure 10. Russula shigatseensis (HMAS287389, holotype), pileipellis. (a) Pileocystidia near the pileus centre. (b) Hyphal terminations near the pileus centre. (c) Pileocystidia near the pileus margin. (d) Hyphal terminations near the pileus margin. Cystidial contents as observed in Congo Red. Scale bar = 10 μm.

Figure 10. Russula shigatseensis (HMAS287389, holotype), pileipellis. (a) Pileocystidia near the pileus centre. (b) Hyphal terminations near the pileus centre. (c) Pileocystidia near the pileus margin. (d) Hyphal terminations near the pileus margin. Cystidial contents as observed in Congo Red. Scale bar = 10 μm.

Figure 13. Spore drawings showing ornamentation in Melzer reagent. (a) Russula paragraveolens (HMAS281158, holotype). (b) R. pseudograveolens (HMAS287384, holotype). (c) R. shigatseensis (HMAS287389, holotype). (d) R. yadongensis (HMAS287386, holotype). Scale bar = 2 μm.

Figure 13. Spore drawings showing ornamentation in Melzer reagent. (a) Russula paragraveolens (HMAS281158, holotype). (b) R. pseudograveolens (HMAS287384, holotype). (c) R. shigatseensis (HMAS287389, holotype). (d) R. yadongensis (HMAS287386, holotype). Scale bar = 2 μm.

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