Geosmithia putterillii

Geosmithia putterillii (Thom) Pitt

Edibility

Edibility unknown — do not eat

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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 Geosmithia putterillii by month
Month	Records
January	0
February	0
March	0
April	0
May	0
June	0
July	0
August	0
September	0
October	2
November	0
December	0

Where it is found

States and provinces with the most records. Check the foraging rules for the place you plan to visit.

California 1 records · Foraging rules

All state and province foraging laws

About

The foamy bark canker is a disease affecting oak trees in California caused by the fungus Geosmithia sp. #41 and spread by the Western oak bark beetle (Pseudopityophthorus pubipennis). This disease is only seen through the symbiosis of the bark beetles and the fungal pathogen. The bark beetles target oak trees and bore holes through the peridermal tissues, making tunnels within the phloem. The fungal spores are brought into these tunnels by the beetles and begin to colonize the damaged cells inside the tunnels. Symptoms of the developing fungus include wet discoloration seeping from the beetle entry holes as the fungus begins to consume phloem and likely other tissues. If bark is removed, necrosis of the phloem can be observed surrounding the entry hole(s). As the disease progresses, a reddish sap and foamy liquid oozes from entry holes, thus giving the disease the name foamy bark canker. Eventually, after the disease has progressed, the tree dies. This disease is important because of its detrimental effects on oak trees and its ability to spread to several new Californian counties in just a couple of years.

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

Recent finds

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More in the genus Geosmithia

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