Collection location: Dallas, Pennsylvania, USA [Click for map]
Who: Dave W (Dave W)
At first I did not think these represented the species Amanita crenulata. The caps feature more yellow than I expect with crenulata, the small specimen had persistent annuli, and the stipe bases featured more hefty deposits than I generally see with crenulata. In general, the basal bulb of crenulata shows (at most) a pigmented powdery deposit. But, reading the description of crenulata on the Amanita Studies Website, I see that a white “collar” atop the basal bulb of crenulata may represent the limbus internus. This appears to be consistent with the stipe bases seen in this observation.
Universal veil deposits on cap are consistent with crenulate, as are the short-striate cap margins.
Gills are narrowly attached to stipe, consistent with crenulata.
Spore morphology fits crenulata, with Q maybe on the small side. Spores not amyloid; globose, subglobose, broadly elliptical, 7-9.5 × 7-9.
On a lawn near spruce. Pine and oak in the vicinity.
Amanita crenulata is typically considered to be a late summer taxon (although examples which may represent early-season collections have shown up on MO).
NAMP accession #58761.
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Created: 2018-07-02 23:27:46 CDT (-0500)
Last modified: 2018-07-02 23:32:04 CDT (-0500)
Viewed: 45 times, last viewed: 2019-08-23 18:21:47 CDT (-0500)