When: 2010-09-17
Collection location: Avatar Grove, Port Renfrew, British Columbia, Canada [Click for map]
Who: Oluna & Adolf Ceska (aceska@telus.net)
Species Lists
Images
User’s votes are weighted by their contribution to the site (log10 contribution). In addition, the user who created the observation gets an extra vote. | |||||||||
Vote | Score | Weight | Users | ||||||
---|---|---|---|---|---|---|---|---|---|
I’d Call It That | 3.0 | 10.90 | 2 | (aceska@telus.net,AmatoxinApocalypse) | |||||
Promising | 2.0 | 0.00 | 0 | ||||||
Could Be | 1.0 | 0.00 | 0 | ||||||
Doubtful | -1.0 | 4.49 | 1 | ||||||
Not Likely | -2.0 | 0.00 | 0 | ||||||
As If! | -3.0 | 0.00 | 0 | ||||||
Overall Score sum(score * weight) / (total weight + 1) |
1.72 | 57.37% |
User’s votes are weighted by their contribution to the site (log10 contribution). In addition, the user who created the observation gets an extra vote. | |||||||||
Vote | Score | Weight | Users | ||||||
---|---|---|---|---|---|---|---|---|---|
I’d Call It That | 3.0 | 4.49 | 1 | ||||||
Promising | 2.0 | 0.00 | 0 | ||||||
Could Be | 1.0 | 0.00 | 0 | ||||||
Doubtful | -1.0 | 0.00 | 0 | ||||||
Not Likely | -2.0 | 0.00 | 0 | ||||||
As If! | -3.0 | 0.00 | 0 | ||||||
Overall Score sum(score * weight) / (total weight + 1) |
2.45 | 81.79% |
Comments
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Thanks for your comment, Rod. We are going to post more Amanita puzzles for you on MO. Adolf liked taxacom before it became too abstract. O+A

Drop the “states” and even British Columbia will be happy. Unless you want to use the earliest used name “The Hudson Bay Oregon Territory”. Adolf

Nathan,
I think it would be appropriate to remove “states” from the temporary name used on MO for this entity. Obviously, it occurs in a “province,” too. :-)
R.

This taxon is distinct from A. farinosa (described from the Atlantic Coastal states of the U.S.) and is treated on www.amanitaceae.org under the moniker Amanita farinosa sensu Thiers:
http://www.amanitaceae.org/...
There are many similarities between the two N. American taxa, which are undoubtedly related.
The marginal cells on Amanita lamellae are not cystidia. they are part of a uniform tissue that permits the separation of the amanita lamellae from the stipe (in the present case) or the partial veil. Such a structure is requisite in the unique mode of development of the Amanita fruiting body (so-called schizohymenial ontogeny).
There is relevant discussion on this topic in the “About” pages (accessed via the blue navigation bars on the left side of the home page of www.amanitaceae.org. A discussion of the word “cystidia” in relation to the marginal cells of amanita gills can be found here:
http://www.amanitaceae.org/?LEC00002
Another interesting thing about the taxa similar to A. farinosa is that they have a pileipellis that only gelatinizes after considerable delay. The powdery volva actually remains connected to the pileipellis for a considerable length of time (even a light rain will not wash it all off) after sporulation is well under way. This characteristic is shared by a few other amanitas of section Amanita, which appear to belong to a distinct group within the section. A provisional systematics for section Amanita is built into www.amanitaceae.org .
The supposed closest relatives of A. farinosa are placed in the informal Amanita stirps Farinosa; this groups is proposed to fall within a “series Farinosae,” etc.
Since I have never examined material of this species from British Colombia, I would very much like to see the herbarium material you have retained from your collection.
Thank you for the post. The drawing really attracted my attention. I appreciate the work that went into creating it.
Very best,
Rod Tulloss
P.S. Do I recognize Adolf’s name from taxacom?
I can see the similarities with the eastern farinosa…