Observation 185998: Amanita phalloides (Fr.) Link

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A. phalloides
By: Daniel B. Wheeler (Tuberale)
2014-10-30 09:56:08 PDT (-0700)

range has been in Washington and B.C. for nearly 20 years now. (http://www.cdc.gov/mmwr/preview/mmwrhtml/00047808.htm)

Vancouver, Washington had Amanita p. growing with chestnuts along the Columbia River. These were picked and eaten by SE Asians, who often eat Amanitas in their countries. As I recall, Janet Lindgren assisted with identification and treatment options. At least 2 died from ingestion, and 2 others required liver transplants.

The B.C. collections were also mycorrhizal with chestnut, which is non-native.

good news.
By: Debbie Viess (amanitarita)
2014-10-30 07:04:42 PDT (-0700)

my question related to the likelihood of phalloides “going native” in Washington State. sounds like, just like in the east, it is still restricted to plantings.

thanks for the feedback.

The oaks
By: Noah Siegel (Noah)
2014-10-30 00:30:10 PDT (-0700)

are planted in a median strip, and are all Quercus illex. I have since sent pictures of the leaves and acorns to two different botanist, one of whom knows worldwide Quercus species very well. Both of them confirmed my ID.

I will try to remember to ask the plant identifiers….
By: Tim Sage (T. Sage)
2014-10-30 00:21:59 PDT (-0700)

From the Washington Native Plant Society, luckily they host a plant ID clinic the same day the PSMS hosts a mushroom ID clinic, at the CUH

Unless Washington allows non-native species in the state,
By: Daniel B. Wheeler (Tuberale)
2014-10-29 23:57:46 PDT (-0700)

this is not Quercus ilex (Holm oak, native to Europe).

Can you check, Tim? The thing to look for is the underside of the leaf (white for Q. ilex) or golden (for Golden chinquapin). Another feature is where the acorns are held. Q. ilex have cups holding the acorns; Golden chinquapin has more of a chestnut-like burr which holds (and protects) the seeds from things that like it eat the seeds (acorns).

I don’t think this could be Holm oak, as it is one of the trees which can support Tuber melanosporum (French Black truffle), and there has long-been an embargo on that species. The sole exception is if it was introduced into Washington by Charles LeFebre.

Maybe the UW Center for Urban Horticulture would know?

Noah Id’d the tree as Quercus illex
By: Tim Sage (T. Sage)
2014-10-29 18:09:05 PDT (-0700)
I am pretty sure that was what Noah said the tree was a while back
By: Tim Sage (T. Sage)
2014-10-29 18:06:24 PDT (-0700)

These are in the middle of a median in the middle of the street, in landscaped area in front of the UW Center for Urban Horticulture. Click on this location for more observations.

So I’m curious too.
By: Daniel B. Wheeler (Tuberale)
2014-10-29 17:18:10 PDT (-0700)

Not with live oak, Tim. So what is it associated with?

The range of Canyon live oak
By: Daniel B. Wheeler (Tuberale)
2014-10-29 17:17:06 PDT (-0700)

does not extend into Washington. In Oregon, it reached north to about Winston (near Roseburg).

how common is live oak in the area?
By: Debbie Viess (amanitarita)
2014-10-29 16:11:20 PDT (-0700)

have you seen it with live oak before?

Created: 2014-10-27 20:28:46 PDT (-0700)
Last modified: 2014-10-28 20:55:38 PDT (-0700)
Viewed: 222 times, last viewed: 2017-02-03 23:12:46 PST (-0800)
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