Observation 136180: Agaricus campestris L.

When: 2013-06-05

Collection location: Grasslands National Park, Saskatchewan, Canada [Click for map]

49.0934° -107.3802°

Who: Chris Hay (hayfield)

No specimen available

-growing straight from ground
-seemed very common (at least 10 found that day while walking fenceline – unless they were various Agaricus spp.)
-total guess at the species… no experience with Agaricus genus besides from the store (Agaricus bisporus)
-spore print collected was is very dark brown (“chocolate”?)

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Eye3 = Observer’s choice
Eyes3 = Current consensus


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Agaricus campestris
By: Chris Hay (hayfield)
2014-09-21 15:21:33 CEST (+0200)

After keeping this in mind for over a year and comparing my remembrance with other mushroom life experience since then (encounters, reading, talking with others) I’m fairly certain it is A. campestris. The conservative route would be to call it Agaricus sp. but I’m as confident as can be on this one without having further hard proof.

By: Christian (Christian Schwarz)
2014-07-31 23:10:55 CEST (+0200)

You just proposed a European name (Agaricus bresadolanus) for both this observation (which is closer to A. campestris) and for observation 98322 (which is a red-bleeding species, which A. bresadolanus is not), two very dissimilar looking observations. Moreover they are both North American.
It’s a good idea to keep your name proposals within the limits of your knowledge.

Created: 2013-06-12 05:48:00 CEST (+0200)
Last modified: 2014-09-21 15:13:43 CEST (+0200)
Viewed: 53 times, last viewed: 2017-06-16 09:05:17 CEST (+0200)
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