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Table 2 Basidiospore dimensions of Porpomyces and Sistotremastrum s. lato species. Species name and basidiospore dimensions for a given taxon are presented in bold

From: On Sistotremastrum and similar-looking taxa (Trechisporales, Basidiomycota)

Species/specimen L′ L W′ W Q′ Q n
Porpomyces abiens (2.3) 2.5–3.2 (3.3) 2.91 (1.6) 1.7–2.2 (2.3) 1.99 (1.2) 1.3–1.7 (1.8) 1.47 60
holotype (2.4) 2.5–3.2 (3.3) 2.94 (1.6) 1.7–2.2 2.00 (1.2) 1.3–1.7 (1.8) 1.47 30
Vlasák 1808/39 (2.3) 2.6–3.2 (3.3) 2.87 (1.7) 1.8–2.2 (2.3) 1.98 (1.3) 1.4–1.6 (1.7) 1.46 30
Sertulicium granuliferum (4.8) 4.9–7.3 (8.0) 5.75 (2.3) 2.5–3.3 (3.5) 2.90 (1.5) 1.6–2.4 (2.5) 2.02 270
Kotiranta 26776 5.1–6.7 (6.8) 5.70 (2.6) 2.7–3.2 (3.3) 2.88 (1.6) 1.8–2.2 (2.3) 1.98 30
Larsson 12282 (5.0) 5.1–6.0 (6.1) 5.46 (2.7) 2.8–3.2 (3.3) 3.02 (1.6) 1.7–2.0 (2.1) 1.81 30
LE 299057 (4.8) 4.9–6.0 (6.1) 5.40 (2.5) 2.6–3.2 2.83 (1.6) 1.7–2.1 (2.2) 1.91 30
Miettinen 16083 (6.0) 6.1–7.3 (8.0) 6.76 (2.7) 2.8–3.3 (3.5) 3.07 (1.8) 2.0–2.4 2.21 30
Spirin 3503 (5.1) 5.2–6.2 (6.3) 5.82 (2.6) 2.7–3.1 (3.2) 2.85 (1.8) 1.9–2.3 (2.4) 2.04 30
Spirin 9296 5.2–6.5 (7.0) 5.95 (2.6) 2.7–3.2 2.87 (1.6) 1.8–2.4 (2.5) 2.41 30
Spirin 9898 (4.9) 5.0–6.1 (6.2) 5.46 (2.6) 2.7–3.2 (3.3) 2.86 (1.6) 1.7–2.1 (2.2) 1.92 30
Spirin 9977 (4.8) 5.1–6.6 (7.2) 5.63 (2.6) 2.7–3.3 (3.5) 2.97 (1.5) 1.6–2.2 (2.3) 1.91 30
Telleria 16566 (4.9) 5.0–6.1 (6.2) 5.56 (2.3) 2.5–3.1 (3.3) 2.78 (1.7) 1.8–2.2 (2.3) 2.00 30
S. jacksonii (5.1) 5.2–8.2 (8.6) 6.60 (2.7) 2.8–4.1 (4.2) 3.29 (1.5) 1.6–2.6 (2.7) 2.02 170
holotype (6.1) 6.2–8.0 (8.2) 7.13 (2.7) 2.8–3.2 (3.3) 2.99 2.2–2.6 (2.7) 2.39 20
Bernicchia 5464 (5.3) 5.7–7.3 (7.8) 6.52 (3.2) 3.3–4.1 (4.2) 3.66 (1.5) 1.6–2.1 (2.2) 1.79 30
Laurila 3256b (5.2) 5.3–7.2 6.43 (2.7) 2.8–3.8 (4.0) 3.23 (1.8) 1.9–2.5 (2.6) 2.00 30
Miettinen 17141.2 (6.0) 6.1–8.2 (8.6) 6.96 3.0–3.4 (3.5) 3.21 (1.9) 2.0–2.5 2.17 30
Spirin 10425 (5.2) 5.6–7.4 (8.0) 6.49 (2.8) 2.9–3.8 (3.9) 3.30 (1.6) 1.7–2.3 (2.6) 1.97 30
Svantesson 699 (5.1) 5.2–6.8 (7.1) 6.08 (3.0) 3.1–3.9 (4.0) 3.36 (1.5) 1.6–1.9 (2.3) 1.81 30
S. lateclavigerum (4.3) 4.6–7.2 (7.3) 5.57 (2.1) 2.2–3.2 2.71 (1.7) 1.8–2.4 (2.5) 2.07 60
holotype (4.9) 5.0–7.2 (7.3) 5.82 (2.5) 2.6–3.2 2.84 (1.7) 1.8–2.3 (2.4) 2.05 30
Spirin 13457 (4.3) 4.6–6.2 (7.2) 5.32 (2.1) 2.2–3.0 (3.1) 2.57 (1.7) 1.8–2.4 (2.5) 2.09 30
S. niveocremeum (5.2) 5.5–8.6 (9.8) 6.86 (2.6) 2.7–4.2 (4.3) 3.25 (1.6) 1.7–2.4 (2.6) 2.12 120
holotype (5.2) 5.5–7.8 (9.8) 6.62 (2.6) 2.7–3.6 (4.3) 3.12 (1.7) 1.9–2.4 (2.5) 2.12 30
Kotiranta 26267 (5.7) 6.0–7.4 (7.6) 6.55 (2.7) 2.8–3.4 (3.5) 3.08 (1.9) 2.0–2.3 (2.5) 2.13 30
Miettinen 14925.3 (6.0) 6.1–8.6 (9.2) 7.46 (3.0) 3.1–3.6 (3.8) 3.33 (1.7) 1.8–2.4 (2.6) 2.24 30
Söderholm 4050 (6.0) 6.1–7.7 (7.8) 6.79 (3.0) 3.1–4.2 (4.3) 3.46 (1.6) 1.7–2.2 (2.3) 1.97 30
S. vernale (5.7) 5.8–8.2 (8.3) 6.96 (2.8) 2.9–3.8 (3.9) 3.30 (1.6) 1.8–2.5 (2.9) 2.12 60
holotype (5.7) 6.1–8.2 (8.3) 7.02 (2.8) 2.9–3.8 3.28 (1.6) 1.8–2.5 (2.9) 2.15 30
Spirin 14244 (5.7) 5.8–8.0 (8.1) 6.90 (2.9) 3.0–3.8 (3.9) 3.31 (1.6) 1.8–2.3 (2.4) 2.09 30
Sistotremastrum aculeatum (4.1) 4.2–6.2 (6.8) 5.03 (2.1) 2.2–3.1 (3.3) 2.58 (1.5) 1.6–2.4 (2.7) 1.97 120
holotype (4.1) 4.2–6.2 (6.8) 5.07 (2.2) 2.3–3.1 (3.3) 2.65 (1.5–)1.6–2.4 (2.7) 1.94 60
Dunaev KUN1105d 4.2–5.3 (5.4) 4.98 (2.1) 2.2–3.0 (3.1) 2.60 (1.6–)1.7–2.4 (2.5) 1.94 30
Miettinen 10380.1 (4.2) 4.3–6.1 (6.2) 5.05 (2.2) 2.3–2.8 (3.0) 2.50 1.8–2.2 (2.3) 2.03 30
S. aculeocrepitans (4.0) 4.1–5.6 (5.8) 4.77 (2.1) 2.2–2.8 (2.9) 2.33 1.8–2.5 (2.6) 2.06 60
Larsson 16097 (4.4) 4.5–5.6 (5.8) 5.10 (2.1) 2.2–2.8 (2.9) 2.35 (1.8) 1.9–2.5 (2.6) 2.19 30
Larsson 16478 (4.0) 4.1–5.0 (5.1) 4.44 (2.1) 2.2–2.6 (2.7) 2.30 1.8–2.1 (2.2) 1.93 30
S. confusum (5.3) 5.7–7.6 (7.9) 6.56 2.9–3.9 (4.0) 3.24 (1.7) 1.8–2.3 (2.6) 2.03 60
holotype (5.3) 5.7–7.3 (7.8) 6.54 2.9–3.4 (3.8) 3.16 (1.7) 1.8–2.3 (2.6) 2.07 30
Larsson 16004 (5.3) 5.7–7.6 (7.9) 6.57 3.0–3.9 (4.0) 3.32 (1.7) 1.8–2.3 (2.4) 1.99 30
S. denticulatum (3.9) 4.0–5.3 (5.4) 4.51 (2.0) 2.1–3.0 (3.1) 2.48 (1.5) 1.6–2.3 (2.4) 1.83 30
holotype (3.9) 4.0–5.3 (5.4) 4.51 (2.0) 2.1–3.0 (3.1) 2.48 (1.5) 1.6–2.3 (2.4) 1.83 30
S. fibrillosum (4.0) 4.2–5.2 (5.6) 4.72 (2.1) 2.2–2.9 (3.0) 2.53 (1.6–)1.7–2.1 (2.2) 1.88 20
Larsson 16988 (4.0) 4.2–5.2 (5.6) 4.72 (2.1) 2.2–2.9 (3.0) 2.53 (1.6–)1.7–2.1 (2.2) 1.88 20
S. geminum (3.8) 3.9–5.2 (5.5) 4.28 (1.9) 2.0–2.6 (2.9) 2.24 (1.7) 1.8–2.2 (2.3) 1.92 30
holotype (3.8) 3.9–5.2 (5.5) 4.28 (1.9) 2.0–2.6 (2.9) 2.24 (1.7) 1.8–2.2 (2.3) 1.92 30
S. induratum (4.0) 4.1–5.3 (5.8) 4.55 (2.5) 2.6–3.1 (3.2) 2.83 1.4–1.8 (1.9) 1.62 60
holotype (4.1) 4.2–5.3 (5.8) 4.73 (2.5) 2.6–3.0 2.79 (1.5) 1.6–1.8 (1.9) 1.70 30
Spirin 8804 (4.0) 4.1–5.0 (5.1) 4.37 (2.5) 2.6–3.1 (3.2) 2.86 1.4–1.8 (1.9) 1.53 30
S. mendax (4.0) 4.2–7.0 (7.2) 5.27 (2.4) 2.5–3.5 (3.6) 2.93 (1.3) 1.4–2.1 (2.3) 1.80 180
holotype (4.7) 4.8–6.2 5.60 (2.7) 2.9–3.5 (3.6) 3.09 (1.6) 1.7–2.1 (2.3) 1.82 30
Larsson 12022 (4.6) 4.8–5.6 5.12 (2.6) 2.7–3.0 (3.1) 2.85 (1.6) 1.7–1.9 1.80 30
Nordén 9579 (4.7) 4.8–5.8 (6.0) 5.33 (2.6) 2.7–3.1 (3.2) 2.93 (1.6) 1.7–2.0 (2.1) 1.82 30
Spirin 10060 (5.0) 5.1–7.0 (7.2) 5.71 (2.6) 2.7–3.2 (3.3) 2.93 1.7–2.3 (2.4) 1.95 30
Spirin 10107 (4.2) 4.3–5.9 (6.1) 5.11 (2.7) 2.8–3.2 (3.5) 3.00 (1.3) 1.4–1.9 (2.0) 1.71 30
Vlasák 1110/14.1 (4.0) 4.2–5.4 (5.5) 4.75 (2.4) 2.5–3.0 2.76 (1.4) 1.5–1.9 1.72 30
S. rigidum (3.8) 4.0–5.1 (5.2) 4.44 2.0–2.5 (2.7) 2.22 (1.6) 1.7–2.2 (2.3) 2.01 30
holotype (3.8) 4.0–5.1 (5.2) 4.44 2.0–2.5 (2.7) 2.22 (1.6) 1.7–2.2 (2.3) 2.01 30
S. suecicum (4.1) 4.2–6.2 (6.3) 4.90 (2.1) 2.2–3.1 (3.2) 2.53 (1.5) 1.6–2.4 (2.5) 1.93 180
holotype (4.8) 5.1–6.2 (6.3) 5.55 (2.4) 2.5–3.1 (3.2) 2.80 (1.7) 1.8–2.2 (2.3) 1.99 30
Kunttu 5959 (4.1) 4.2–5.2 4.70 2.2–2.8 (2.9) 2.52 (1.6) 1.7–2.1 (2.2) 1.88 30
Larsson 11849 (4.1) 4.2–5.7 (5.8) 4.91 (2.1) 2.2–2.9 2.42 (1.7) 1.8–2.4 (2.5) 2.05 30
Miettinen 11044 (4.5) 4.6–5.9 (6.1) 5.12 2.2–2.9 (3.0) 2.50 (1.7) 1.8–2.3 (2.5) 2.06 30
Miettinen 14550.1 (4.1) 4.2–5.1 (5.3) 4.60 2.2–2.9 (3.0) 2.52 (1.5) 1.6–2.0 (2.1) 1.83 30
Spirin 8932 (4.1) 4.2–5.3 (5.8) 4.56 (2.1) 2.2–2.9 (3.0) 2.42 (1.7) 1.8–2.1 (2.2) 1.89 30
S. vigilans (6.1) 6.3–11.2 (11.4) 8.68 (3.0) 3.1–5.4 (6.2) 4.35 (1.6) 1.7–2.5 (2.6) 2.01 150
holotype (7.0) 7.2–9.1 (9.4) 8.09 (3.9) 4.0–5.2 (5.8) 4.49 (1.6) 1.7–2.0 (2.1) 1.81 30
Eriksson 9106 (8.0) 8.3–10.5 (10.6) 9.34 (3.8) 4.0–5.0 (5.1) 4.44 (1.8) 1.9–2.2 (2.3) 2.11 30
Fonneland 2011-77 (8.1) 8.8–11.2 (11.4) 9.95 (4.0) 4.1–5.1 (5.2) 4.50 (1.8) 1.9–2.5 (2.6) 2.22 30
Häyrén 1934 (7.7) 7.8–10.3 (10.9) 8.61 (4.1) 4.2–5.4 (6.2) 4.69 (1.7) 1.8–2.0 (2.1) 1.84 30
Spirin 8778 (6.1) 6.3–8.8 (8.9) 7.43 (3.0) 3.1–4.3 (4.5) 3.64 (1.7) 1.8–2.3 (2.4) 2.05 30