Observation 151224: Macrocybe titans (H.E. Bigelow & Kimbr.) Pegler, Lodge & Nakasone
When: 2013-11-02
No herbarium specimen

Notes: There were several groups of very large stemmed mushrooms in this grassy area. I am not sure if they are all the same, but may be closely related. These share the characteristic of having a very thick fleshy stalk. The stalk flesh is white and crumbly. The base of the stems are 3,4, 5 inches or more in diameter. The ones show here grow as a group.

The smell was not remarkable, not strong, not mild, mushroomy. Maybe a chemical smell, I am not good at recognizing smells but plan to attend a mushroom walk soon with a knowledgable mushroom searcher.

I am trying to get a spore print from the cap shown in the second photo, but no luck yet.

The cap shown was about 2.5 inches across. The stalk about 6-7 inches long.

Grassy field in cemetery. Hardwood edge about 30 feet away and a large mature oak about 30 feet away in the opposite direction.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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There are multiple
By: Terri Clements/Donna Fulton (pinonbistro)
2013-11-06 07:07:09 JST (+0900)

references about finding it in Mexico, northern and central Florida, and Georgia but I was wrong about Texas—I saw a reference to Texas mycology clubs but on more careful reading it was about a sighting in Mexico.


Macrocybe titans grown in Texas?
By: L G Price (LG_Price)
2013-11-06 06:42:06 JST (+0900)

Where do you find records that Macrocybe titans grown in Texas?

You’re welcome,
By: Terri Clements/Donna Fulton (pinonbistro)
2013-11-06 06:32:12 JST (+0900)

M. titans seems promising based on description by M. Kuo: Kuo, M. (2010, May). Macrocybe titans. Retrieved from the MushroomExpert.Com Web site: http://www.mushroomexpert.com/macrocybe titans.html and the fact that it is known from Texas.


Interesting similarity
By: L G Price (LG_Price)
2013-11-06 01:44:59 JST (+0900)

Thanks for suggesting this. I’m not sure this is the same species, but it may be very closely related. The spore print was creamy for this specimen so that fits. I have ordered a microscope and hopefully I will soon be able to provide more information.

Created: 2013-11-05 11:02:51 JST (+0900)
Last modified: 2013-11-06 08:48:27 JST (+0900)
Viewed: 81 times, last viewed: 2016-10-23 21:17:01 JST (+0900)
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