Hemimycena species

Niveiro, Nicolás, Popoff, Orlando F. & Albertó, Edgardo O., 2014, Hemimycena longipleurocystidiata (Mycenaceae, Agaricomycetes), a new species from the Argentinean Atlantic Forest, Phytotaxa 177 (1), pp. 49-55 : 53

Key to Hemimycena species from Argentina

1 Lamellae venose or very narrow, extremely distant. Pleuro and/or cheilocystidia absent......................................... H. subtropicalis

- Lamellae more developed. Pleuro and/or cheilocystidia present .......................................................................................................2

2- Spores smaller, 4–5 × 3.7–5 µm ........................................................................................................................................ H. cretacea

- Spores larger spores, more than 6 µm long ........................................................................................................................................3

3- Pileus usually larger, up to 30 mm diám. Pleurocystidia 53–91 × 11–20 µm, lageniform to fusiform ........ H. pleurolongicystidiata

- Pileus less than 15 mm diam. Pleurocystidia absent ..........................................................................................................................4

4- Growing in subtropical forest. Cheilocystidia cylindrical to filiform, 27–63 × 4–8.5 µm ............................................ H. truncicola

- Growing in Andino-patagonic Forests. Cheilocystidia different........................................................................................................5

5- Pileus 5–14 mm diam., cheilocystidia ventricose to cylindrical, with a capitulate apex, 16–30 × 2–6.7 µm............... H. patagonica

- Pileus 2–7 mm diam., cheilocystidia subulate, with acute apex, 22–50 x 4.5–6 µm...................................................... H. nothofagi