When: 2008-06-13
Collection location: Lake Bistineau State Park, Webster Parish, Louisiana, USA [Click for map]
Notes:
Two of these mushrooms were found in the same general area among mostly mixed hardwoods. They have the appearance of a Caulorhiza species in that they had a deep “tap root”. I got most of the smaller one.
They differ from the western C. umbonata in that the cap color is more yellow and the spores were definitely a light yellow rather than white. Also by my estimation the spores appeared to be at least twice as large.
Edit 2-7-2014; Checked spores from print.
Spores~ 13.2-16.0 X 9.2-10.9 microns.
Q(ave) = 1.50.
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 | 6.15 | 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 | 9.56 | 2 | ||||||
| Overall Score sum(score * weight) / (total weight + 1) |
-0.61 | -20.41% | |||||||
| 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 | 4.96 | 1 | ||||||
| Promising | 2.0 | 0.00 | 0 | ||||||
| Could Be | 1.0 | 15.00 | 3 | (darv,Heelsplitter) | |||||
| Doubtful | -1.0 | 0.00 | 0 | ||||||
| Not Likely | -2.0 | 5.38 | 1 | (Herbert Baker) | |||||
| As If! | -3.0 | 0.00 | 0 | ||||||
| Overall Score sum(score * weight) / (total weight + 1) |
0.73 | 24.22% | |||||||
| 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 | 4.59 | 1 | ||||||
| Promising | 2.0 | 0.00 | 0 | ||||||
| Could Be | 1.0 | 0.00 | 0 | ||||||
| Doubtful | -1.0 | 5.20 | 1 | (Heelsplitter) | |||||
| Not Likely | -2.0 | 4.96 | 1 | ||||||
| As If! | -3.0 | 0.00 | 0 | ||||||
| Overall Score sum(score * weight) / (total weight + 1) |
-0.09 | -2.84% | |||||||
| 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 | 0.00 | 0 | ||||||
| Promising | 2.0 | 10.53 | 2 | (amanitarita,Mycowalt) | |||||
| Could Be | 1.0 | 5.20 | 1 | (Heelsplitter) | |||||
| 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) |
1.57 | 52.33% | |||||||
| 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 | 0.00 | 0 | ||||||
| Promising | 2.0 | 5.20 | 1 | (Heelsplitter) | |||||
| 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) |
1.68 | 55.91% | |||||||
| 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 | 0.00 | 0 | ||||||
| Promising | 2.0 | 0.00 | 0 | ||||||
| Could Be | 1.0 | 5.57 | 1 | (Mycowalt) | |||||
| Doubtful | -1.0 | 0.00 | 0 | ||||||
| Not Likely | -2.0 | 5.38 | 1 | (Herbert Baker) | |||||
| As If! | -3.0 | 0.00 | 0 | ||||||
| Overall Score sum(score * weight) / (total weight + 1) |
-0.43 | -14.46% | |||||||
| 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 | 0.00 | 0 | ||||||
| Promising | 2.0 | 5.38 | 1 | (Herbert Baker) | |||||
| 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) |
1.69 | 56.21% | |||||||
Comments
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It fits H. megalospora but see comments below.
http://mushroomobserver.org/95187
It is occasional in the central Appalachians and foothills. If not a good species, it should in my opinion deserve a varietal rank.
All the references I’ve found for that species show a mushroom with whitish, buff, creamy to brownish-gray caps. None mention a yellow to bright yellow cap. The same mushroom seems to appear in MO# 6178 from West Virginia and the local experts/mycologists did not have a name for it.
I knew there was something familiar about those mushrooms. They definitely appear to be the same species so I’ll go with the Xerula sp. until somebody comes up with something better.
Xerula it seems like. It is highly unlikely that this one is the European Xerula radicata, but it does look like it a bit — http://mushroomhobby.com/Gallery/Marasmius/index.htm#Xerula_radicata
These do have interesting cystidia to look at. Never seen one on the West Coast though.
D.
This looks grossly identical to a yellow Xerula sp. that Rytas Vilgalys took back with him to Duke last summer for DNA sequencing. We found it at the NAMA W.VA foray, and Bill Roody claimed that it has been collected in the South with some regularity. Here’s a link to my original observation on MO:
http://mushroomobserver.org/image/show_image/6178?search_seq=1
Hymenopellis observations from the SE are something different from the brownish H. incognita. I haven’t seen the official description for H. sinapicolor, but according to Kuo, they have significantly smaller spores, which these and others I’ve found don’t(?)