Psilocybe (Fr.) P. Kumm, 1871

He, Xue-Lian, Huo, Wen-Yan, Zhang, Li-Guang, Liu, Yu, Qi, Peng, Dai, Lu, Qiao, Ting, Lu, Pengpeng & Li, Jun-Zhi, 2022, Psilocybe ningshanensis (Hymenogastraceae, Agaricales), a new species from China, Phytotaxa 545 (2), pp. 175-185 : 182

publication ID

https://doi.org/ 10.11646/phytotaxa.545.2.6

DOI

https://doi.org/10.5281/zenodo.6539382

persistent identifier

https://treatment.plazi.org/id/C27487FB-B835-FFC5-FF1D-E925B1AFFB9F

treatment provided by

Plazi

scientific name

Psilocybe
status

s. str.

Key to the species of Psilocybe View in CoL View at ENA s. str. in China

1. Annulus present ..................................................................................................................................................................................2

2. Annulus typically membranous and persistent...................................................................................................................................3

3. Cap nearly white, central yellowish brown; spores 12–16 × 8–10 μm, wide ellipse to nearly hexagonal......................... P. cubensis View in CoL

3. Spores 8–10 × 5–6 μm, subovoid to subrhomboid.................................................................................................... P. wayanadensis View in CoL

2. Annulus fall off easily; without caulocystidia or pleurocystidia; spores 11.5–13.5 × 7–8 µm, oval in face .................... P. venenata View in CoL

2. White veil, submembranous to plexiform annulus; pleurocystidia 15–20 × 4.5–7 µm, oval to nearly clavate .......... P. taiwanensis View in CoL

1. Annulus absent ...................................................................................................................................................................................4

4. Caulocystidia present..........................................................................................................................................................................5

5. Caulocystidia abundant ......................................................................................................................................................................6

6. Cap reddish brown; spores 10–12.5 × 6–7.5 µm; cheilocystidia often with a 10.5–21.5 × 2.5–3 µm long neck........... P. baeocystis View in CoL

6. Lamellae often with ink blue tinge, edges serrulate; caulocystidia 14.5–49 × 3.5–11 µm ............................................. P. keralensis View in CoL

5. Caulocystidia rare, 16–90 × 4.5–24.5 μm, often with an elongated 2–44.5 × 1.5–3.5 μm neck...................................... P. ruiliensis View in CoL

5. Spores large, 12–19 × 7–10.5 μm; cap margin with white to bluing, membranous veil remnants .......................... P. chuxiongensis View in CoL

5. Pleurocystidia abundant, 17.5–32 × 5.5–10 µm; spores 5.5–8 × 3–5 µm, ellipsoid to subovoid .............................. P. cinnamomea View in CoL

5. Without pleurocystidia; spores 8.5–11.5 × 6–7 µm, ellipsoid to subovoid ......................................................................... P. fasciata View in CoL

4. Pleurocystidia present; spores 6.5–11 × 4–6.5 µm, hexagonal with angles ............................................................. P. ningshanensis View in CoL

4. Without caulocystidia or pleurocystidia .............................................................................................................................................6

6. Spores medium to large ......................................................................................................................................................................7

7. Spores 7.6–11.5 × 5.8–8.1 µm; partial veil often nearly the middle of stipe; pileipellis without gelatinized hyphae P. angulospora View in CoL

6. Spores small........................................................................................................................................................................................8

8. Cap and stipe dark brown to light yellowish brown; spores 6–6.7 × 4–4.5 μm, ovoid to ellipsoid................................ P. argentipes View in CoL

8. Stipe dark chestnut brown; spores 5–6.5 × 4.5–5 μm, ovoid to rhomboid...................................................................... P. yungensis View in CoL

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