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Home Fungi Caps on stems; gills below caps [mushrooms or mushroom-like] Agaricus sp.

Agaricus sp.

Agaricus

 

The fruit body is a mushroom with a cap atop a central stem. Caps come in various colours, are convex to flat; smooth, fibrillose or scaly; dry; from a centimetre or so to well over 10 centimetres in diameter. Given the size variation in the cap it is not surprising that the stems also vary greatly in size. White is the most common stem colour.

 

The gills are initially pale pinkish and appear to change colour to dark brown with age, but it is not the gill tissue that is changing colour. Spores are very pale when immature but become dark brown at maturity and it is the mass of mature spores that gives that colour. In some species spores mature early, in others late. Hence, in one species you may see a small, open cap with dark brown gills, but in another species a much larger, open cap but where the gills are still pink.

 

Technically the gills are described as free. This means that none of the gills reach the stem. What you see immediately around the top of the stem is a narrow circular furrow, as in this photo: http://www.cpbr.gov.au/fungi/images-captions/agaricus-sp-0037.html.

 

Very few genera have free gills so it is a very informative feature.

 

Warning: When a mushroom starts drying, the flesh distorts and in those species without free gills, the gills may tear away from the stem and appear free. Always be suspicious when you think you’ve seen free gills. Check carefully for signs of tearing, especially if the cap shows any signs of the wrinkling that comes with drying.

 

There is a partial veil that covers the gills in an immature mushroom. As the cap expands this breaks at the cap margin and leaves a membranous (and often skirt-like) ring of tissue around the stem  There is no universal veil. In this photo (http://www.cpbr.gov.au/fungi/images-captions/agaricus-broken-veil-0036.html) you see a skirt-like veil remnant. The earlier photo shows a smaller ring.

 

Spore print: chocolate brown.

 

The mushrooms appear on the ground in a wide variety of habitats.

 

Look-alikes

 

Some species of Agrocybe have partial veils and brown gills – but the gills are not free and the somewhat Agaricus-looking ones are most likely to appear on wood (live or dead).

 

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Agaricus sp. (Agaricus) at Monash, ACT - 14 May 2022 by RodDeb Agaricus sp. (Agaricus) at Hawker, ACT - 13 May 2022 by AlisonMilton Agaricus sp. (Agaricus) at Hawker, ACT - 13 May 2022 by AlisonMilton Agaricus sp. (Agaricus) at Lyneham, ACT - 13 May 2022 by trevorpreston Agaricus sp. (Agaricus) at Nanima, NSW - 1 May 2022 by AlisonMilton Agaricus sp. (Agaricus) at Lyneham, ACT - 28 Apr 2022 by trevorpreston Agaricus sp. (Agaricus) at Hughes, ACT - 17 Mar 2022 by ruthkerruish Agaricus sp. (Agaricus) at Watson, ACT - 5 Dec 2021 by sbittinger Agaricus sp. (Agaricus) at Bungendore, NSW - 22 Oct 2021 by tpreston Agaricus sp. (Agaricus) at Holt, ACT - 28 Mar 2021 by tpreston Agaricus sp. (Agaricus) at Weetangera, ACT - 27 Mar 2021 by CanberraFungiGroup Agaricus sp. (Agaricus) at Tharwa, ACT - 26 Mar 2021 by RodDeb Agaricus sp. (Agaricus) at Hackett, ACT - 24 Mar 2021 by waltraud Agaricus sp. (Agaricus) at Watson, ACT - 24 Mar 2021 by sbittinger Agaricus sp. (Agaricus) at O'Connor, ACT - 16 Feb 2021 by tpreston Agaricus sp. (Agaricus) at Cook, ACT - 9 Feb 2021 by drakes Agaricus sp. (Agaricus) at Berridale, NSW - 14 Nov 2020 by AndyRussell Agaricus sp. (Agaricus) at Franklin, ACT - 10 Nov 2020 by tpreston Agaricus sp. (Agaricus) at Forde, ACT - 6 Nov 2020 by Patricia Agaricus sp. (Agaricus) at Mitchell, ACT - 3 Nov 2020 by tpreston Agaricus sp. (Agaricus) at O'Connor, ACT - 1 Nov 2020 by ConBoekel Agaricus sp. (Agaricus) at Dunlop, ACT - 14 Oct 2020 by tpreston Agaricus sp. (Agaricus) at Forde, ACT - 26 May 2020 by CedricBear Agaricus sp. (Agaricus) at Giralang, ACT - 24 May 2020 by Alison Milton Agaricus sp. (Agaricus) at Dunlop, ACT - 24 Apr 2020 by Alison Milton Agaricus sp. (Agaricus) at Majura, ACT - 10 Apr 2020 by jbromilow50 Agaricus sp. (Agaricus) at Scullin, ACT - 8 Apr 2020 by Alison Milton Agaricus sp. (Agaricus) at Dunlop, ACT - 7 Apr 2020 by Alison Milton Agaricus sp. (Agaricus) at Hughes, ACT - 4 Apr 2020 by ruthkerruish Agaricus sp. (Agaricus) at Higgins, ACT - 4 Apr 2020 by Alison Milton Agaricus sp. (Agaricus) at Jerrabomberra, ACT - 1 Apr 2020 by Mike Agaricus sp. (Agaricus) at Booth, ACT - 20 Mar 2020 by Christine Agaricus sp. (Agaricus) at Conder, ACT - 16 Mar 2020 by michaelb Agaricus sp. (Agaricus) at Hawker, ACT - 10 Mar 2020 by Alison Milton Agaricus sp. (Agaricus) at Pilot Wilderness, NSW - 7 Mar 2020 by Jubeyjubes Agaricus sp. (Agaricus) at Michelago, NSW - 16 Feb 2020 by Illilanga Agaricus sp. (Agaricus) at Hawker, ACT - 15 Feb 2020 by Alison Milton Agaricus sp. (Agaricus) at Higgins, ACT - 14 Feb 2020 by Alison Milton Agaricus sp. (Agaricus) at Giralang, ACT - 5 Jun 2019 by Alison Milton Agaricus sp. (Agaricus) at Isaacs, ACT - 24 May 2019 by Mike Agaricus sp. (Agaricus) at O'Malley, ACT - 20 Apr 2019 by Mike Agaricus sp. (Agaricus) at Fyshwick, ACT - 18 Apr 2019 by RodDeb Agaricus sp. (Agaricus) at Jerrabomberra, ACT - 17 Apr 2019 by Mike Agaricus sp. (Agaricus) at Giralang, ACT - 17 Apr 2019 by Alison Milton Agaricus sp. (Agaricus) at Garran, ACT - 12 Apr 2019 by ruthkerruish Agaricus sp. (Agaricus) at Paddys River, ACT - 7 Apr 2019 by Christine Agaricus sp. (Agaricus) at Paddys River, ACT - 5 Apr 2019 by davobj Agaricus sp. (Agaricus) at Parkes, ACT - 20 Feb 2019 by Alison Milton Agaricus sp. (Agaricus) at Fyshwick, ACT - 16 Dec 2018 by Alison Milton Agaricus sp. (Agaricus) at Acton, ACT - 5 Dec 2018 by Alison Milton Agaricus sp. (Agaricus) at Symonston, ACT - 27 Nov 2018 by Mike Agaricus sp. (Agaricus) at Canberra, ACT - 26 Nov 2018 by Alison Milton Agaricus sp. (Agaricus) at Mount Clear, ACT - 26 Oct 2018 by JohnBundock Agaricus sp. (Agaricus) at Rendezvous Creek, ACT - 16 Oct 2018 by Alison Milton Agaricus sp. (Agaricus) at Symonston, ACT - 14 Sep 2018 by AaronClausen Agaricus sp. (Agaricus) at Fyshwick, ACT - 28 May 2018 by Alison Milton Agaricus sp. (Agaricus) at Yarralumla, ACT - 5 May 2018 by RodDeb Agaricus sp. (Agaricus) at Acton, ACT - 15 Mar 2018 by Alison Milton Agaricus sp. (Agaricus) at Turner, ACT - 12 Mar 2018 by cf17 Agaricus sp. (Agaricus) at Hume, ACT - 15 Dec 2017 by HarveyPerkins Agaricus sp. (Agaricus) at Watson, ACT - 9 Dec 2017 by AaronClausen Agaricus sp. (Agaricus) at Kingston, ACT - 6 Dec 2017 by Alison Milton Agaricus sp. (Agaricus) at Watson, ACT - 22 Nov 2017 by AaronClausen Agaricus sp. (Agaricus) at Coree, ACT - 28 Apr 2017 by KenT Agaricus sp. (Agaricus) at Ngunnawal, ACT - 10 Apr 2017 by Speleo Agaricus sp. (Agaricus) at Fadden, ACT - 8 Oct 2016 by RyuCallaway Agaricus sp. (Agaricus) at Cotter River, ACT - 18 May 2016 by KenT Agaricus sp. (Agaricus) at Paddys River, ACT - 10 Feb 2016 by KenT Agaricus sp. (Agaricus) at Jerrabomberra, ACT - 7 Feb 2016 by Mike Agaricus sp. (Agaricus) at Acton, ACT - 13 Nov 2015 by RyuCallaway Agaricus sp. (Agaricus) at Acton, ACT - 30 Apr 2015 by HarveyPerkins Agaricus sp. (Agaricus) at Acton, ACT - 20 Apr 2015 by TimYiu Agaricus sp. (Agaricus) at Yarralumla, ACT - 18 Apr 2015 by HarveyPerkins Agaricus sp. (Agaricus) at Yarralumla, ACT - 9 Apr 2014 by AlisonMilton Agaricus sp. (Agaricus) at Yarralumla, ACT - 9 Apr 2014 by AlisonMilton
Agaricus sp. (Agaricus) at Monash, ACT - 14 May 2022 by RodDeb
Agaricus sp. (Agaricus) at Hawker, ACT - 13 May 2022 by AlisonMilton
Agaricus sp. (Agaricus) at Hawker, ACT - 13 May 2022 by AlisonMilton
Agaricus sp. (Agaricus) at Lyneham, ACT - 13 May 2022 by trevorpreston
Agaricus sp. (Agaricus) at Nanima, NSW - 1 May 2022 by AlisonMilton
Agaricus sp. (Agaricus) at Lyneham, ACT - 28 Apr 2022 by trevorpreston
Agaricus sp. (Agaricus) at Hughes, ACT - 17 Mar 2022 by ruthkerruish
Agaricus sp. (Agaricus) at Watson, ACT - 5 Dec 2021 by sbittinger
Agaricus sp. (Agaricus) at Bungendore, NSW - 22 Oct 2021 by tpreston
Agaricus sp. (Agaricus) at Holt, ACT - 28 Mar 2021 by tpreston
Agaricus sp. (Agaricus) at Weetangera, ACT - 27 Mar 2021 by CanberraFungiGroup
Agaricus sp. (Agaricus) at Tharwa, ACT - 26 Mar 2021 by RodDeb
Agaricus sp. (Agaricus) at Hackett, ACT - 24 Mar 2021 by waltraud
Agaricus sp. (Agaricus) at Watson, ACT - 24 Mar 2021 by sbittinger
Agaricus sp. (Agaricus) at O'Connor, ACT - 16 Feb 2021 by tpreston
Agaricus sp. (Agaricus) at Cook, ACT - 9 Feb 2021 by drakes
Agaricus sp. (Agaricus) at Berridale, NSW - 14 Nov 2020 by AndyRussell
Agaricus sp. (Agaricus) at Franklin, ACT - 10 Nov 2020 by tpreston
Agaricus sp. (Agaricus) at Forde, ACT - 6 Nov 2020 by Patricia
Agaricus sp. (Agaricus) at Mitchell, ACT - 3 Nov 2020 by tpreston
Agaricus sp. (Agaricus) at O'Connor, ACT - 1 Nov 2020 by ConBoekel
Agaricus sp. (Agaricus) at Dunlop, ACT - 14 Oct 2020 by tpreston
Agaricus sp. (Agaricus) at Forde, ACT - 26 May 2020 by CedricBear
Agaricus sp. (Agaricus) at Giralang, ACT - 24 May 2020 by Alison Milton
Agaricus sp. (Agaricus) at Dunlop, ACT - 24 Apr 2020 by Alison Milton
Agaricus sp. (Agaricus) at Majura, ACT - 10 Apr 2020 by jbromilow50
Agaricus sp. (Agaricus) at Scullin, ACT - 8 Apr 2020 by Alison Milton
Agaricus sp. (Agaricus) at Dunlop, ACT - 7 Apr 2020 by Alison Milton
Agaricus sp. (Agaricus) at Hughes, ACT - 4 Apr 2020 by ruthkerruish
Agaricus sp. (Agaricus) at Higgins, ACT - 4 Apr 2020 by Alison Milton
Agaricus sp. (Agaricus) at Jerrabomberra, ACT - 1 Apr 2020 by Mike
Agaricus sp. (Agaricus) at Booth, ACT - 20 Mar 2020 by Christine
Agaricus sp. (Agaricus) at Conder, ACT - 16 Mar 2020 by michaelb
Agaricus sp. (Agaricus) at Hawker, ACT - 10 Mar 2020 by Alison Milton
Agaricus sp. (Agaricus) at Pilot Wilderness, NSW - 7 Mar 2020 by Jubeyjubes
Agaricus sp. (Agaricus) at Michelago, NSW - 16 Feb 2020 by Illilanga
Agaricus sp. (Agaricus) at Hawker, ACT - 15 Feb 2020 by Alison Milton
Agaricus sp. (Agaricus) at Higgins, ACT - 14 Feb 2020 by Alison Milton
Agaricus sp. (Agaricus) at Giralang, ACT - 5 Jun 2019 by Alison Milton
Agaricus sp. (Agaricus) at Isaacs, ACT - 24 May 2019 by Mike
Agaricus sp. (Agaricus) at O'Malley, ACT - 20 Apr 2019 by Mike
Agaricus sp. (Agaricus) at Fyshwick, ACT - 18 Apr 2019 by RodDeb
Agaricus sp. (Agaricus) at Jerrabomberra, ACT - 17 Apr 2019 by Mike
Agaricus sp. (Agaricus) at Giralang, ACT - 17 Apr 2019 by Alison Milton
Agaricus sp. (Agaricus) at Garran, ACT - 12 Apr 2019 by ruthkerruish
Agaricus sp. (Agaricus) at Paddys River, ACT - 7 Apr 2019 by Christine
Agaricus sp. (Agaricus) at Paddys River, ACT - 5 Apr 2019 by davobj
Agaricus sp. (Agaricus) at Parkes, ACT - 20 Feb 2019 by Alison Milton
Agaricus sp. (Agaricus) at Fyshwick, ACT - 16 Dec 2018 by Alison Milton
Agaricus sp. (Agaricus) at Acton, ACT - 5 Dec 2018 by Alison Milton
Agaricus sp. (Agaricus) at Symonston, ACT - 27 Nov 2018 by Mike
Agaricus sp. (Agaricus) at Canberra, ACT - 26 Nov 2018 by Alison Milton
Agaricus sp. (Agaricus) at Mount Clear, ACT - 26 Oct 2018 by JohnBundock
Agaricus sp. (Agaricus) at Rendezvous Creek, ACT - 16 Oct 2018 by Alison Milton
Agaricus sp. (Agaricus) at Symonston, ACT - 14 Sep 2018 by AaronClausen
Agaricus sp. (Agaricus) at Fyshwick, ACT - 28 May 2018 by Alison Milton
Agaricus sp. (Agaricus) at Yarralumla, ACT - 5 May 2018 by RodDeb
Agaricus sp. (Agaricus) at Acton, ACT - 15 Mar 2018 by Alison Milton
Agaricus sp. (Agaricus) at Turner, ACT - 12 Mar 2018 by cf17
Agaricus sp. (Agaricus) at Hume, ACT - 15 Dec 2017 by HarveyPerkins
Agaricus sp. (Agaricus) at Watson, ACT - 9 Dec 2017 by AaronClausen
Agaricus sp. (Agaricus) at Kingston, ACT - 6 Dec 2017 by Alison Milton
Agaricus sp. (Agaricus) at Watson, ACT - 22 Nov 2017 by AaronClausen
Agaricus sp. (Agaricus) at Coree, ACT - 28 Apr 2017 by KenT
Agaricus sp. (Agaricus) at Ngunnawal, ACT - 10 Apr 2017 by Speleo
Agaricus sp. (Agaricus) at Fadden, ACT - 8 Oct 2016 by RyuCallaway
Agaricus sp. (Agaricus) at Cotter River, ACT - 18 May 2016 by KenT
Agaricus sp. (Agaricus) at Paddys River, ACT - 10 Feb 2016 by KenT
Agaricus sp. (Agaricus) at Jerrabomberra, ACT - 7 Feb 2016 by Mike
Agaricus sp. (Agaricus) at Acton, ACT - 13 Nov 2015 by RyuCallaway
Agaricus sp. (Agaricus) at Acton, ACT - 30 Apr 2015 by HarveyPerkins
Agaricus sp. (Agaricus) at Acton, ACT - 20 Apr 2015 by TimYiu
Agaricus sp. (Agaricus) at Yarralumla, ACT - 18 Apr 2015 by HarveyPerkins
Agaricus sp. (Agaricus) at Yarralumla, ACT - 9 Apr 2014 by AlisonMilton
Agaricus sp. (Agaricus) at Yarralumla, ACT - 9 Apr 2014 by AlisonMilton

View distribution

Species information

  • Agaricus sp. Scientific name
  • Agaricus Common name
  • Not Sensitive
  • Local Native
  • Non-Invasive
  • 0m to 1266.19m Recorded at altitude
  • External link More information

Location information

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