Observation 61759: Amanita novinupta Tulloss & J. Lindgr.

When: 2011-01-03

Collection location: Dish Area, Stanford University, Stanford, California, USA [Click for map]

Who: Len (placeport)

No specimen available

Proposed Names

55% (1)
Recognized by sight: These large twins were growing in deep Live Oak duff. They were about 6" in diameter and 6" tall, and weighed about half a pound each. They share several features with Amanita muscaria var. alba, but also resemble other species with large warts and skirt. Spore print: white.

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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I agreewith A. novinupta; these are very large specimens
By: Len (placeport)
2011-01-09 23:57:41 PST (-0800)

Thanks Alan! A. novinupta fits with all the features I observed. First time I have ever found this species. As described in some references (e.g. “http://www.mushroomexpert.com/amanita_novinupta.html,”; “http://www.mykoweb.com/...;) the blushing to pink can be subtle, and was almost not noticeable in this pair. These specimens would be of the largest ever observed, as reported cap diameters range up to 11 cm by some accounts and 15 cm by others. These measured 16 cm in diameter and were just as tall. I did not observe many good quality photos of A. novinupta on-line. These photos are of excellent quality and should help with identification.

Created: 2011-01-03 16:12:35 PST (-0800)
Last modified: 2014-10-30 12:24:27 PDT (-0700)
Viewed: 179 times, last viewed: 2017-06-08 05:33:00 PDT (-0700)
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