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Chicken of the Woods

Laetiporus conifericola


This was covered in droplets from guttation. Guttation is not the same as condensation, as it is a metabolic product of the fungus rather than dew or collected rain. At the time I had taken this photo, we had one of the most dry summers Kodiak has seen in decades and we had not had rain in weeks (very unusual for Kodiak), so I was surprised to see such fresh fungi peeking out of the tree. Apparently Laetiporus is known to fruit even without rain unlike many other mushrooms.


Dying Sitka Spruce tree in a forest dominated by Sitka Spruce. It was the only tree in the vicinity with this fungus on it, as other dead and dying trees seemed to have been already colonized by a more common fungus we see here that is some type of conk.


Distinguished from other Laetiporus species by its growth on conifers and being on the West Coast of the US. It was only described as a species in 2001, and was often misidentified as the better known Laetiporus sulphureus, and still often is. Laetiporus species are known to cause brown cubical rot in the heartwood of trees, and are considered parasites (consumes living tissue of its host) and saprobes (lives off dead or dying material)

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Machi 2 weeks ago

Thanks Leuba!

Leuba Ridgway
Leuba Ridgway 3 weeks ago

Beautiful photos Machi.

Machi 3 weeks ago

Thanks for the nomination! And of course, thank you Maria and Mark!

Mark Ridgway
Mark Ridgway 3 weeks ago

A very healthy looking stack.

Your spotting has been nominated for the Spotting of the Week. The winner will be chosen by the Project Noah Rangers based on a combination of factors including: uniqueness of the shot, status of the organism (for example, rare or endangered), quality of the information provided in the habitat and description sections. There is a subjective element, of course; the spotting with the highest number of Ranger votes is chosen. Congratulations on being nominated!

Maria dB
Maria dB 3 weeks ago

Very interesting spotting!

Spotted by

Alaska, USA

Lat: 57.76, Long: -152.49

Spotted on Aug 29, 2019
Submitted on Sep 26, 2019

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