Neohygrocybe Herink
Creators: name: Cardoso, Juli Simon
name: Moncalvo, Jean-Marc
name: Lodge, D. Jean
name: Margaritescu, Simona
name: Neves, Maria Alice
name: Oliveira, Jadson J. S.
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Fungi
Basidiomycota
Agaricomycetes
Agaricales
Hygrophoraceae
Neohygrocybe

description: Key to all species of Neohygrocybe worldwide
including ones named in Hygrocybe
1. Lamellae changing colour when bruised (pink, red, brown or black)................................................................................................2
1’. Lamellae not changing colour with bruising......................................................................................................................................7
2. Lamellae at least initially bruising pink, red or reddish brown..........................................................................................................3
2’. No pink or red bruising reactions, but may bruise directly to brown or black...................................................................................6
3. Pileus and stipe dark greyish brown; odour not distinctive................................................................................................................4
3’. Pileus and stipe usually paler, pale drab grey or pale reddish brown; odour often distinct ...............................................................5
4. Basidiomes large, 30–35 mm; basidiospores 7–9 µm long, subtropical China ............................................................ N. griseonigra
4’. Basidiomes smaller, 20–25 mm; basidiospores 6–7.5 µm long; in Australia ............................................................... N. lawsonensis
5. Odor fruity or fragrant; basidiospores subglobose, 5–7 × 5–6 µm, E. North America and Puerto Rico, Caribbean........ N. subovina
5’. Odour alkaline; basidiospores larger and ellipsoid, 7–8.5 × 4.5–5 µm, New Zealand ......................................................... N. innata
6. Pileus large, 20–90 mm, margin dark; basidospores 7–9.5 µm long; pseudocystidia absent; odour unpleasant or nitrous; Europe and E. North America.................................................................................................................................................................... N. ovina
6’. Pileus smaller, with a pale grey margin; basidiospores shorter, 5.5–8 µm long; large pseudocystidia present; odour absent; Puerto Rico, Caribbean ............................................................................................................................................................... N. ovinoides
7. Odour none .........................................................................................................................................................................................8
7’. Odour unpleasant, nitrous or farinaceous.........................................................................................................................................11
8. Large pseudocystidia absent in hymenium; pileipellis terminal hyphal elements swollen, subclavate to subglobose; in Australia ... ...................................................................................................................................................................... Hygrocybe badioclavata
8’. Characters different, large pseudocystidia present; pileipellis hyphal ends not swollen ...................................................................9
9. Pileus vinaceous brown, pale margin, small (2–8 mm); Caribbean ........................................................... Hygrocybe albomarginata
9’. Pileus grey-brown to black, lacking a pale band on margin large (20-45 mm); South Pacific........................................................10
10. Spores small, 6.5–7.5 × 4.5–5.5 µm; in New Zealand .................................................................................................... N. squarrosa 10’. Spores larger, 7–9.5 × 5.5–7 µm; in Hawaii......................................................................................................... Hygrocybe waolipo
11. Large pseudocystidia present in hymenium .....................................................................................................................................12
11’. Pseudocystidia absent in hymenium.................................................................................................................................................13
12. Stipe slender, 5–7 mm wide; pileipellis hyphae encrusted; Brazil ...................................................................................... N. fumosa
12’. Stipe swollen, 8–32 mm wide; pileipellis hyphae not encrusted; Europe................................................................ N. pseudoingrata
13. Pileus sooty brown; odour farinaceous; in Australia ........................................................................... Hygrocybe fuligineosquamosa
13’. Pileus warmer colour, grey- orange- or golden-brown; odour nitrous .............................................................................................14
14. Pileus perforated in centre; in Sri Lanka, India .............................................................................................. Hygrocybe cinerascens
14’. Pileus not perforated in centre; in Europe, Iceland .............................................................................................................. N. nitrata
description: Published as part of Cardoso, Juli Simon, Moncalvo, Jean-Marc, Lodge, D. Jean, Margaritescu, Simona, Neves, Maria Alice & Oliveira, Jadson J. S., 2023, Studies in Hygrocybe s. l. (Hygrocyboideae, Hygrophoraceae) in Brazil: New species of Humidicutis and Neohygrocybe, pp. 57-71 in Phytotaxa 607 (1) on pages 68-69, DOI: 10.11646/phytotaxa.607.1.5, http://zenodo.org/record/8212211