Download Copy a link to this page Cite this record

Agaricus bitorquis (Quél.) Sacc. 1887

Scientific name record
Names_Fungi record source
Is NZ relevant
This is the current name
This record has collections
This record has descriptions
This is foreign
Show more

Click to collapse Biostatus Info

Exotic
Present
New Zealand
Political Region
Type locality France. 1st Record 1970 (PDD 84237)

Click to collapse Nomenclature Info

(Quél.) Sacc.
Quél.
Sacc.
1887
998
ICN
species
Agaricus bitorquis

Click to collapse Classification Info

bitorquis

Click to collapse Vernacular names Info

Click to collapse Descriptions Info

Agaricus bitorquis (Quél.) Sacc. 1887

Pileus (30-)50(-70) mm diam., thick, fleshy, convex when young, finally broadly convex-applanate, surface silky to fibrillose, white (N9.5) when young, bruising orchraceous brown (7.5YR 6/4-4/4), with soil particles often adhering to surface; margin thin, inrolled edge with remnants of veil when young; lamellae insertion free, thin, crowded, pink (5R 8/4) when young, finally moderate brown to dark brown (5YR 4/4-3/2), edge pale and sterile; trama parallel to irregular. Stipe 25-45 x 10-30 mm, central, solid, cylindrical, to widening at centre, base narrowing, surface smooth to fibrillose, white (N9.5) above annulus, browning below annulus (5YR 4/4-3/2). Annulus double: lower brownish (5YR 4/4-3/2), peronate, prominent; upper white (N9.5), pendant, surface fibrillose, indistinct. Flesh slowly becoming reddish brown (5R5/8-2.5YR5/8) on cutting or on bruising; odour and taste pleasant. Schaffer's cross-reaction negative.
Basidia (2-)4-spored, 22-38 x 5-11 µm, clavate with sterigmata 4-8(-10) µm. Cheilocystidia 12-37 x 6-11 µm, broadly clavate, hyaline to fawn, abundant. Basidiospores dark brown in mass, size (6.9-)7.4(-7.9) x (5.5-)6.0(-6.4) µm, elongation (1.1-)1.3(-1.4) µm, ellipsoid, pale brown to brown in water, refractive centre (1-2 droplets), apiculus lateral, germ-pore not visible.
Gregarious, may be hypogean in lawn or pasture. Good edible quality.

Click to collapse Taxonomic concepts Info

Agaricus bitorquis (Quél.) Sacc. 1887
Agaricus bitorquis (Quél.) Sacc. 1887
Agaricus bitorquis (Quél.) Sacc. 1887
Agaricus bitorquis (Quél.) Sacc. (1887)
Agaricus bitorquis (Quél.) Sacc. 1887
Agaricus bitorquis (Quél.) Sacc. (1887)
Agaricus bitorquis (Quél.) Sacc. 1887
Agaricus bitorquis (Quél.) Sacc. (1887)
Agaricus bitorquis (Quél.) Sacc. 1887
Agaricus bitorquis (Quél.) Sacc. 1887
Agaricus bitorquis (Quél.) Sacc. (1887)
Agaricus bitorquis (Quél.) Sacc. 1887
Agaricus bitorquis (Quél.) Sacc. (1887)
Agaricus bitorquis (Quél.) Sacc. 1887
Agaricus bitorquis (Quél.) Sacc. (1887)
Agaricus bitorquis (Quél.) Sacc. 1887
Agaricus bitorquis (Quél.) Sacc. 1887
Agaricus bitorquis (Quél.) Sacc. (1887)
Agaricus bitorquis (Quél.) Sacc. 1887
Agaricus bitorquis (Quél.) Sacc. (1887)
Psalliota bitorquis Quél. (1884)
Agaricus bitorquis (Quél.) Sacc. 1887

Click to collapse Collections Info

Agaricus bitorquis (Quél.) Sacc. 1887
[Not available]

Click to collapse Metadata Info

1cb17cc1-36b9-11d5-9548-00d0592d548c
scientific name
Names_Fungi
1 January 2000
19 October 2022
Click to go back to the top of the page
Top