Observation 4610: Cantharellus cascadensis Dunham, O’Dell & R. Molina
When: 2007-10-27
No herbarium specimen

Notes: Found under tan oak and D. fir. Redwood was close enough…

Proposed Names

-5% (5)
Eye3
Recognized by sight
79% (5)
Eyes3
Recognized by sight: bright white hymenium, bright yellow cap. compare to Arora’s photo on the SOMAmushroom yahoogroup list photo file “Teachers” (must be list member to see).
Or view newly published photos on mushroomhobby.com:
http://mushroomhobby.com/...

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Eye3 = Observer’s choice
Eyes3 = Current consensus

Comments

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Both images look like typical C. cascadensis – Michael Beug
By: Michael Beug (beugm)
2010-03-12 14:26:43 CST (-0600)
Looks pretty typical for C. cascadensis
By: Michael Beug (beugm)
2010-03-12 14:25:29 CST (-0600)
good points about color in photos…
By: Debbie Viess (amanitarita)
2010-03-12 10:56:31 CST (-0600)

and would explain the difference between our at home perception of a very white hymenium vs an in the field perception of a pale yellow one. still, the pale color of the hymenium as you describe it fits the species description just fine, which does not actually claim it to be white…that was just my “at home” take on the photo.

And I didn’t think or assume that you are taking sides here, just putting out more info. And more info is always better than less.

The color fits, top to bottom (very bright cap, very pale hymenium), the shape is stocky, the stipe slightly bulbous and the locale fits, too. there is most definitely overlap between the two similar PNW species, but I think that the evidence leans towards cascadensis here.

Well, not sure I’m trying to do that.
By: Douglas Smith (douglas)
2010-03-12 10:30:02 CST (-0600)

I’m just adding the other photo here to add more info to the obs. I’m not trying to convince anyone of anything here myself.

One fact to remember, that photos taken in the wild, with the really dark background of the forest floor tends to make the light areas look more white, from the camera light meter and post processing, and from people’s perceptions of color. Although I try to make sure that photos are not over exposed, and this one isn’t, but it is still a slight effect. The hymenium here was probably a more cream to light yellow cream, it looks more white here. It at least wasn’t a golden yellow.

But personally I think these are probably just a light color of C. formosus. I’m not a big fan of taxa which defined as different in a relative value of a feature, like “more yellow”, “less cream”, that makes me think that the species doesn’t really exist… I’d like a clearly obs. feature that either exists or doesn’t. It seems like there is a large space of values that clearly over-lap between descriptions of C. formosus and this C. cascadensis.

But I am also sure that I don’t want to care that much. And I want to include as much clear info as I can here. I will refrain from imposing any interpretations of the info myself.

It would be nice to site a clear set of features where you can clearly tell C. formosus from C. cascadensis, resisting the use of relative values of, one is more yellow, another more golden…

thanks for adding more photos, Doug.
By: Debbie Viess (amanitarita)
2010-03-12 08:40:10 CST (-0600)

perhaps you have now convinced the naysayers that these are indeed examples of cascadensis…at least the ones with a very pale hymenium, which seems to be the easiest to ID of all the possible color spectrums present in this species.

The original species description of cascadensis by Susie Dunham states: “hymenium color ranging from light orange-yellow to pale yellow.” It also mentions that the disk center in cascadensis can fade to white, which is also shown in your photos.

I hope that this site will soon contain more examples of the hymenial colors possible. One size doesn’t fit all, at least in the mushroom world.

Created: 2007-11-02 00:59:31 CDT (-0500)
Viewed: 446 times, last viewed: 2016-09-28 18:56:23 CDT (-0500)
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