Name: Laetiporus sulphureus (Bull.) Murrill
Most Confident Observations:
Copyright © 2008 Dan Molter (shroomydan)
Copyright © 2011 Patrick Harvey (pg_harvey)
Copyright © 2008 Dan Molter (shroomydan)
Copyright © 2010 Martin Livezey (MLivezey)
Version: 5
Previous Version 

First person to use this name on MO: Nathan Wilson
Editors: Erlon


Rank: Species

Status: Accepted

Name: Laetiporus sulphureus

Author: (Bull.) Murrill

Citation: Annls mycol. 18(1/3): 51 (1920)

Deprecated Synonyms: Laetiporus sulphureus (Bull.) Murrill var. sulphureus, Agarico-carnis flammula Paulet, Agarico-pulpa styptica Paulet, Agaricus speciosus Battarra, Boletus caudicinus Scop., Boletus caudicinus Schaeff., Boletus citrinus Lumn., Boletus coriaceus Huds., Boletus imbricatus Bull., Boletus lingua-cervina Schrank, Boletus ramosus Bull., Boletus sulphureus Mérat, Boletus sulphureus Bull., Boletus tenax Bolton, Boletus tenax Lightf., Ceriomyces aurantiacus (Pat.) Sacc., Cladomeris casearius (Fr.) Quél., Cladomeris imbricatus (Bull.) Quél., Cladomeris sulphurea (Bull.) Bigeard & H. Guill., Cladoporus ramosus (Bull.) Pers., Cladoporus sulphureus (Bull.) Teixeira, Daedalea imbricata (Bull.) Purton, Grifola sulphurea (Bull.) Pilát, Grifola sulphurea f. conglobata Pilát, Laetiporus speciosus Battarra ex Murrill, Laetiporus sulphureus f. albolabyrinthiporus (Rea) Bondartsev, Laetiporus sulphureus f. aporus (Bourdot & Galzin) Bondartsev, Laetiporus sulphureus f. aurantiacus (Pat.) Bondartsev, Laetiporus sulphureus f. conglobatus (Pilát) Bondartsev, Laetiporus sulphureus f. imbricatus Domański, Laetiporus sulphureus f. ramosus (Quél.) Bondartsev, Laetiporus sulphureus (Bull.) Murrill f. sulphureus, Laetiporus sulphureus f. zerovae Bondartseva, Leptoporus casearius (Fr.) Quél., Leptoporus imbricatus (Bull.) Quél., Leptoporus ramosus (Bull.) Quél., Leptoporus sulphureus (Bull.) Quél., Merisma imbricatum (Bull.) Gillet, Merisma sulphureum (Bull.) Gillet, Polypilus casearius (Fr.) P. Karst., Polypilus caudicinus (Schaeff.) P. Karst., Polypilus imbricatus (Bull.) P. Karst., Polypilus sulphureus (Bull.) P. Karst., Polyporellus caudicinus (Scop.) P. Karst. ex Sacc., Polyporellus rubricus (Berk.) P. Karst., Polyporus casearius Fr., Polyporus caudicinus (Schaeff.) J. Schröt., Polyporus imbricatus (Bull.) Fr., Polyporus ramosus (Bull.) Gray, Polyporus rostafinskii Błoński, Polyporus rubricus Berk., Polyporus sulphureus (Bull.) Fr., Polyporus sulphureus f. aporus Bourdot & Galzin, Polyporus sulphureus var. albolabyrinthiporus Rea, Polyporus todari Inzenga, Ptychogaster aureus Lloyd, Sistotrema sulphureum (Bull.) Rebent., Stereum speciosum Fr., Sulphurina sulphurea (Quél.) Pilát, Tyromyces sulphureus (Bull.) Donk, Laetiporus sulphureus (Fr.), Laetiporus Sulphureus, Laetiporus imbricatus

Misspellings: Laetiporus suphureus


Domain: Eukarya

Kingdom: Fungi

Phylum: Basidiomycota

Class: Agaricomycetes

Order: Polyporales

Family: Laetiporaceae

Genus: Laetiporus

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Notes on Taxonomy: [Edit]

Basionym: Boletus sulphureus Bull., Herbier de la France 9: t. 429 (1789) [MB#159365]
Sanctioning name: Polyporus sulphureus (Bull.) Fr., Systema Mycologicum 1: 357 (1821) [MB#229422]
Type: France

Brief Description:

Grows individually or in clumps on wood. Clumps in fan-like shapes, growing up to 60cm. Smooth to slightly wavy edges. Bright orange or yellow when young, fading with age. Not gilled, but a polypore with yellowish-white spores on its underside. Spore size: 5-7×3.5-5um. Flesh is thick and moist when young, becoming drier with age.

Commonly called the sulphur shelf, chicken of the woods, chicken fungus, or chicken mushroom.

Descriptions: [Create]


Add Comment
By: Erlon (Herbert Baker)
2016-06-03 16:14:06 PDT (-0700)

But most are incorrect and added to MO quite a long time ago. Index fungorum and Mycobank are are no help as they do not recognize L. sulphureus and L. cincinnatus as separate species. if you would like to chip in and help that would be great.

What a great job
By: Oluna & Adolf Ceska (
2016-06-03 16:01:12 PDT (-0700)

listing all those deprecated synonyms.

Created: 2007-06-18 23:41:41 PDT (-0700) by Nathan Wilson (nathan)
Last modified: 2018-04-05 21:47:03 PDT (-0700) by Erlon (Herbert Baker)
Viewed: 2761 times, last viewed: 2019-01-14 01:17:07 PST (-0800)
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