Observation 140545: Amanita praecox Y. Lamoureux nom. prov.

On ground under balsam fir in mixed woods which include hemlock and birch. Cap 34 mm., cream to pale yellow with darker yellow center, cream patch, striate margin. Whitish gills. Stem 66 mm. × 4-6 mm, whitish, tapered at apex, no ring (in the second photo it may appear that there is a ring but it is actually a break in the stem that happened while I was trying collect it from under a rotted log). White bulb with distinct collar.

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I can’t remember who the poster was…
By: R. E. Tulloss (ret)
2013-07-22 09:55:11 PDT (-0700)

but I’m sure that the question of Amanita sp-SO1 (ess-zero-one) in Maine has come up on MO in the last week. These photographs might be sp-S01 as well as praecox. Because of the form of the volva, I’d place the taxon in pantherinoid or gemmatoid group in section Amanita. If the spores are ellipsoid on average, then it is in the sp-S01/russuloides group. If the spores are subglobose on average, then I’m inclined to explore the praecox option.

Very best,


Cap appendiculate
By: Terri Clements/Donna Fulton (pinonbistro)
2013-07-22 05:53:10 PDT (-0700)

on this specimen, according to the Amanita studies website A. praecox is non-appendiculate. Also, the cap here seems more white than yellow except at center unlike the stronger yellow of the cap in A. praecox, see MO 138192.

Created: 2013-07-21 19:49:47 PDT (-0700)
Last modified: 2013-09-05 08:42:33 PDT (-0700)
Viewed: 64 times, last viewed: 2017-06-16 05:25:33 PDT (-0700)
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