Coprinopsis P. Karst. 1881
Creators: name: Schünemann, Bárbara Letícia Botura
name: Westphalen, Mauro
name: Díazvalderrama, Jorge Ronny
name: Aguilar, Vilma
name: Silveira, Rosa Mara Borges Da
Publisher: name: Zenodo
Year: 2023
Subjects: Biodiversity
Taxonomy
Fungi
Basidiomycota
Agaricomycetes
Agaricales
Psathyrellaceae
Coprinopsis

description: Key to identify Coprinopsis species from Brazil
1 Basidioma psathyrelloid, not deliquescent ................................................................................................. Coprinopsis myceniformis
Basidioma coprinoid, deliquescent ....................................................................................................................................................2
2 Pileus opened up to> 40mm ...............................................................................................................................................................3
Pileus opened minor then <40mm ......................................................................................................................................................6
3 Veil adpressed squamulose or almost smooth ................................................................................................ Coprinopsis acuminata
Veil hairy-flocculose or breaking up in patches .................................................................................................................................4
4 Basidiospores <10µm length ..................................................................................................................... Coprinopsis atramentaria
Basidiospores>10µm length ..............................................................................................................................................................5
5 Veil elements elongated, sausage-like ................................................................................................................ Coprinopsis lagopus
Veil elements diverticulate .................................................................................................................................. Coprinopsis picacea
6 Veil in shaggy with pointed and fugacious scales ........................................................................................ Coprinopsis jamaicensis
Veil hairy-floccose or squamose ........................................................................................................................................................7
7 Annulus membranous....................................................................................................................................... Coprinopsis mexicana
Annulus absent ...................................................................................................................................................................................8
8 Basidiospores>8 um length ...............................................................................................................................................................9
Basidiospores <8 um length .............................................................................................................................................................15
9 Basidiospores with myxosporium ..................................................................................................................... Coprinopsis tuberosa
Basidiospores without myxosporium ...............................................................................................................................................10
10 Veil elements elongated, sausage-like ..............................................................................................................................................11
Veil elements diverticulate ...............................................................................................................................................................13
11 Veil elements yellowish....................................................................................................................... Coprinopsis brunneofibrillosa
Veil elements hyaline........................................................................................................................................................................12
12 Basidiospores <12um length ............................................................................................................................... Coprinopsis cinerea
Basidiospores> 12um length with parallel sides ................................................................................................ Coprinopsis radiata
13 Veil elements thick-walled ........................................................................................................................... Coprinopsis vermiculifer
Veil elements thin-walled .................................................................................................................................................................14
14 Basidiospores ellipsoid with apical papilla (“limoniform”) in frontal view .......................................................... Coprinopsis nivea
Basidiospores hexagonal in frontal view........................................................................................................ Coprinopsis cothurnata
15 Pleurocystidia present.......................................................................................................................................................................16
Pleurocystidia absent ........................................................................................................................................................................25
16 Habit caespitose................................................................................................................................................ Coprinopsis variegata
Habit solitary to fasciculate..............................................................................................................................................................17
17 Growing on dung..............................................................................................................................................................................18
Growing on grasses, wood or leaves ................................................................................................................................................20
18 Veil elements smooth................................................................................................................................ Coprinopsis pseudoradiata
Veils elements warty.........................................................................................................................................................................19
19 Basidiospores <4.5 µm breadth ........................................................................................................................ Coprinopsis stercorea
Basidiospores>4.5 µm breadth ........................................................................................................................ Coprinopsis foetidella
20 Veil elements elongated, sausage-like, thin-walled........................................................................................ Coprinopsis geesterani
Veil elements diverticulate, thin and thick-walled ...........................................................................................................................21
21 Basidiospores ovoid or rhomboid in frontal view ............................................................................................................................22
Basidiospores ellipsoid or lentiform in frontal view ........................................................................................................................23
22 Basidiospores <9 µm lenght ................................................................................................................................... Coprinopsis friesii
Basidiospores>9 µm lenght ......................................................................................................................... Coprinopsis austrofriesii
23 Veil elements thin walled, slightly incrusted.................................................................................................. Coprinopsis neotropica
Veil elements thin and thick walled, smooth....................................................................................................................................24
24 Growing on leaves................................................................................................................................................. Coprinopsis caesia
Growing on wood .................................................................................................................................................... Coprinopsis fulva
25 Cheilocystidia present ....................................................................................................................................... Coprinopsis floccosa
Cheilocystidia absent ....................................................................................................................................... Coprinopsis cortinata
description: Published as part of Schünemann, Bárbara Letícia Botura, Westphalen, Mauro, Díazvalderrama, Jorge Ronny, Aguilar, Vilma & Silveira, Rosa Mara Borges Da, 2023, Coprinopsis (Psathyrellaceae, Agaricales) in the Neotropics: three new species and a new combination, pp. 113-134 in Phytotaxa 585 (2) on pages 129-130, DOI: 10.11646/phytotaxa.585.2.3, http://zenodo.org/record/7681516