Coccidioides posadasii

Coccidioides posadasii M.C.Fisher, G.L.Koenig, T.J.White & J.W.Taylor

Edibility

Edibility unknown — do not eat

Never eat a wild mushroom based on this site or any app.

Lookalikes

No lookalikes are recorded for this species yet. That does not mean there are none. Many mushrooms look alike, so never rely on appearance alone.

Season

When this species has been recorded, by month, from open-licensed US and Canada observations. It shows when people report it, not a guarantee it is fruiting.

The highlighted bar is the current month.

View season data as a table

Recorded observations of Coccidioides posadasii by month
Month	Records
January	0
February	1
March	0
April	0
May	1
June	1
July	7
August	3
September	6
October	13
November	1
December	0

Where it is found

No regional records yet.

About

Coccidioides posadasii is a pathogenic fungus that, along with Coccidioides immitis, is the causative agent of coccidioidomycosis, or valley fever in humans. It resides in the soil in certain parts of the Southwestern United States, northern Mexico, and some other areas in the Americas, but its evolution was connected to its animal hosts. Coccidioides posadasii and C. immitis are morphologically identical, but genetically and epidemiologically distinct. C. posadasii was identified as a separate species other than C. immitis in 2002 after a phylogenetic analysis. The two species can be distinguished by DNA polymorphisms and different rates of growth in the presence of high salt concentrations: C. posadasii grows more slowly. It also differs epidemiologically, since it is found outside the San Joaquin Valley. Unlike C. immitis, which is geographically largely limited to California, C. posadasii can also be found in northern Mexico and South America.

From Wikipedia, CC BY-SA 4.0. Read the original article.

Recent finds

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