Cracked Cap Polypore Phellinus robiniae (Murrill) A. Ames    Synonyms: Fulvifomes robiniae.
Kingdom Fungi   >   Phylum Basidiomycota   >   Class Agaricomycetes   >   Order Polyporales   >   Family Polyporaceae   >   Genus Phellinus   

Description:

Cracked Cap Polypore is a relatively large, hoof-shaped shelf fungus. The cap is usually gray to dark brown with concentric bands marking annual growth. It is a parasite of Black Locust, but is also found on the dead wood of other hardwood trees. Cracked Cap Polypore is similar to Juniper Pocket Rot which infects junipers.

Where to find:

Can be found throughout Maryland.

Relationships:

Parasite of Black Locust (L. Biechele, pers. comm.).

There are 163 records in the project database.

View taxon at MycoBank

View taxon at iNaturalist

Search Google Images

GA AL WA FR CL MO HO BA BC HA CE PG AA CV CH SM KE QA CN TA DO WISO WO
Cracked Cap Polypore growing in Baltimore Co., Maryland (2/20/2020). Photo by Emilio Concari. (MBP list)

Cracked Cap Polypore on Black Locust in Howard Co., Maryland (8/26/2017). Determined by Jo Solem. Photo by Kevin Heffernan. (MBP list)

Cracked Cap Polypore in Anne Arundel Co., Maryland (2/23/2021). (c) Matthew Beziat, some rights reserved (CC BY-NC). Photo by Matthew Beziat via iNaturalist. (MBP list)

A Cracked Cap Polypore on Black Locust in St. Mary's Co., Maryland (12/17/2016). Photo by Bill Hubick. (MBP list)

A Cracked Cap Polypore on Black Locust in Somerset Co., Maryland (5/22/2015). Photo by Lance Biechele. (MBP list)

Cracked Cap Polypore in Anne Arundel Co., Maryland (1/12/2021). (c) Matthew Beziat, some rights reserved (CC BY-NC). Photo by Matthew Beziat via iNaturalist. (MBP list)

Cracked Cap Polypore in Calvert Co., Maryland (2/23/2020). (c) johnbotany, some rights reserved (CC BY-NC). Photo by John Hall. (MBP list)

Cracked Cap Polypore in Baltimore Co., Maryland (4/17/2021). (c) wildluker, some rights reserved (CC BY-NC). Photo by wildluker via iNaturalist. (MBP list)

Cracked Cap Polypore on Black Locust in Talbot Co., Maryland (10/24/2015). Photo by Rick Borchelt. (MBP list)

Cracked Cap Polypore on Black Locust in Frederick Co., Maryland (1/11/2020). Photo by Emilio Concari. (MBP list)

Cracked Cap Polypore in Baltimore Co., Maryland (11/15/2019). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)

Cracked Cap Polypore in Baltimore Co., Maryland (11/15/2019). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)

Cracked Cap Polypore in Calvert Co., Maryland (12/18/2016). Photo by Mac Plant. (MBP list)

Cracked Cap Polypore on Black Locust in Calvert Co., Maryland (3/5/2016). Photo by Bill Hubick. (MBP list)

Cracked Cap Polypore in Howard Co., Maryland (3/16/2018). Determined by Bob and Jo Solem. Photo by Sue Muller. (MBP list)

Cracked Cap Polypore in St. Mary's Co., Maryland (5/27/2017). Photo by Jim Brighton. (MBP list)

Cracked Cap Polypore in Washington Co., Maryland (9/16/2020). (c) Emily, some rights reserved (CC BY-NC). Photo by Emily via iNaturalist. (MBP list)

Cracked Cap Polypore in Prince George's Co., Maryland (4/12/2019). Determined by Jo Solem. Photo by Anne Looker. (MBP list)

Cracked Cap Polypore in Baltimore City, Maryland (2/5/2021). (c) Matthew Beziat, some rights reserved (CC BY-NC). Photo by Matthew Beziat via iNaturalist. (MBP list)

A Cracked Cap Polypore on Black Locust in Baltimore City, Maryland (12/28/2015). Photo by Bill Hubick. (MBP list)

Cracked Cap Polypore in Frederick Co., Maryland (11/16/2019). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)

Cracked Cap Polypore in Queen Anne's Co., Maryland (5/15/2017). Photo by Wayne Longbottom. (MBP list)

Cracked Cap Polypore in Anne Arundel Co., Maryland (7/16/2020). (c) pmhabicht, some rights reserved (CC BY-NC). Photo by pmhabicht via iNaturalist. (MBP list)

Cracked Cap Polypore in Carroll Co., Maryland (1/16/2021). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)

Cracked Cap Polypore in Baltimore Co., Maryland (4/17/2021). (c) wildluker, some rights reserved (CC BY-NC). Photo by wildluker via iNaturalist. (MBP list)

Cracked Cap Polypore in Prince George's Co., Maryland (9/29/2019). (c) eehamilton, some rights reserved (CC BY-NC). Photo by eehamilton via iNaturalist. (MBP list)

Cracked Cap Polypore in Carroll Co., Maryland (1/16/2021). (c) Emilio Concari, some rights reserved (CC BY-NC). Photo by Emilio Concari. (MBP list)


View All Images

Use of images featured on Maryland Biodiversity Project is only permitted with express permission of the photographer.

View Bibliography



Eating mushrooms can be dangerous. One should do so only with expert advice and great care. MBP accepts no liability for injury sustained in consuming fungi or other biodiversity.