Table 2.

Morphological characteristics of Asian R. subsect. Amoeninae species.

		R. bella a	R. bella	R. intervenosa b	R. mukteshwarica c	R. orientipurpurea	R. pauriensis d	R. pseudoamoenicolor e	R. punicea f	Russula sp.
Pileus size (mm)		20–45	20–50	26–49	65–130	52–60	53–63	50–100	25–60	60
Pileus colour	bright red	√	√	√				√
	pink	√	√	√					√
	grey					√	√			√
	brown
	purple				√	√		√
	violet				√		√	√		√
	green				√		√
	bright yellow			√	√
	cream or pale yellow					√	√
Stipe colour	almost white		√			√			√	√
	partly pink	√	√	√	√			√
	partly purple			√	√		√	√
	partly violet						√
Spore size	length (µm)	6.5–7.5	6.5–7.7	7–8	7.6–9.3	6.9–7.8	6–8	6–9.5	6.5–7	6.5–7
	width (µm)	5.5–6	5.3–6.0	6.5–7	7.3–8.2	6–6.9	5.5–7	5–8	5–6	5.6–6.2
	mean (length × width)		7.1 × 5.7	7.5 × 6.7		7.3 × 6.4	6.9–6.3	7.3–6.3		6.8 × 5.9
	Q value		1.17–1.33	1.07–1.19	1.00–1.15	1.09–1.19	1.00–1.17	1.03–1.33		1.10–1.19
Spore ornamentation	subreticulate	√	√	√	√	√	√	√	√	√
	reticulate					√			√
	height (µm)		0.4–1.0	0.6–0.9	0.75	0.6–1	-2	-2		0.7–1.2
Cystidia on lamellae sides	length (µm)	44–55	52–75	29–34	80–110	74.5–101	55–135	90–117	45–60	66.5–91.5
	width (µm)	5.5–7	7.5–10.5	10–12.5	11–17	10.5–15	12–22	10–21	9–12	12.5–16.5
	cylindrical or clavate	√	√						√
	subulate or lageniform									√
	fusiform			√	√	√	√	√	√	√
	obtuse		√			√	√	√	√
	acute			√			√		√	√
Cystidia on lamellae edges	length (µm)	37–65	38.5–63	32–39	70–100	48–88	36–68	30–85		42.5–56.5
	width (µm)	5.5–7	5.5–7.5	5.5–7	11–17	5.5–10.5	8–15	7–10		5.5–7
	different from sides	√	√	√
TC (margin)	length (µm)	44–80	47–76	39–47		55.5–89	9–64	11–65		60–85
	width (µm)	5.3–8	5–7	2.5–4.5	5–11	5–7	4–10	4–10	6–9	4.5–6
Short cells	number		1–2		2–4	0–2	2–4			1–2
	subterminal width (µm)						-12	-14
TC centre	width (µm)		4.5–7.5			4.5–7.5				3–4

References: a-Hongo 1968, b-Crous et al. 2016, c-Das et al. 2005, d-Das et al. 2017, e-Hyde et al. 2016, f-Chiu 1945, Size unit of pileus is mm and the other microscopic characters are µm. Species in boldface are described in this study.