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Amanita battarrae or Tawny grisette

How they differ, how to recognize them and which is more dangerous — a mushroom comparison

The short answer

Amanita battarrae and Tawny grisette are similar species that can be mixed up while foraging. The main visible difference: cap color: Amanita battarrae — grey, brown, Tawny grisette — orange, brown, red. The mushrooms also differ in the following features: cap shape.

Amanita battarrae

Amanita battarrae

Amanita battarrae

Conditionally edibleExpert-verified
Close-up of a tawny grisette (Amanita fulva): grooved cap margin, ringless stem and a white sack-like volva at the base

Tawny grisette

Amanita fulva

Conditionally edibleExpert-verified

📊 Comparing characteristics

Comparison of characteristics: Amanita battarrae and Tawny grisette
Edibility class

Amanita battarrae

Conditionally edible

Tawny grisette

Conditionally edible
Season

Amanita battarrae

SummerAutumn

Tawny grisette

SummerAutumn
Use

Amanita battarrae

Cook fresh

Tawny grisette

Cook fresh
Size

Amanita battarrae

Medium (5–15 cm)

Tawny grisette

Medium (5–15 cm)
Cap color

Amanita battarrae

GreyBrown

Tawny grisette

OrangeBrownRed
Cap shape

Amanita battarrae

Umbonate

Tawny grisette

Convex
Cap surface

Amanita battarrae

Smooth

Tawny grisette

Smooth
Taste

Amanita battarrae

Mild

Tawny grisette

Mild
Smell

Amanita battarrae

Odorless

Tawny grisette

Odorless
Flesh color change

Amanita battarrae

No change

Tawny grisette

No change
Hymenophore

Amanita battarrae

Gilled

Tawny grisette

Gilled
Stem

Amanita battarrae

Central

Tawny grisette

Central
Ring (veil)

Amanita battarrae

No ring

Tawny grisette

No ring
Volva

Amanita battarrae

Volva present

Tawny grisette

Volva present
Substrate

Amanita battarrae

Soil

Tawny grisette

Soil
Nutrition type

Amanita battarrae

Mycorrhizal

Tawny grisette

Mycorrhizal
Partner trees

Amanita battarrae

BeechOakBirch

Tawny grisette

BirchBeechOak

📅 Seasonality

Amanita battarrae

Fruiting season

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

August – October

Tawny grisette

Fruiting season

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec

July – October

🔬 Morphology

Cap

Amanita battarrae

Cap 5–10 cm, bell-shaped in young mushrooms, then flattening to plano-convex with a small umbo in the center. Gray-brown with a distinctive zoned pattern — concentric darker bands near the margin. The margin is noticeably radially striate. Surface matte, slightly sticky in wet weather.

Tawny grisette

Cap 4-9 cm across, hemispherical to conical-convex when young, later becoming convex with a low umbo. Color reddish-brown, orange-brown, honey-brown, darker at the center, paler at the margin. Surface smooth, slightly slimy in wet weather. The cap margin has characteristic radial grooves, a diagnostic feature of section Vaginatae.

Hymenophore

Amanita battarrae

Gills free, white, crowded. Spore print white.

Tawny grisette

Gilled hymenophore: the gills are free, crowded, pure white (not attached to the stem). Spore print white, as in all amanitas.

Stem

Amanita battarrae

Stem 7–12 cm tall, 0.8–1.5 cm thick, cylindrical, more slender than the cap. White or cream, sometimes with faint grayish scale-like patches. THERE IS NO RING — this is the key feature of section Vaginatae. At the base — a large, white, sack-like volva (remnants of the veil).

Tawny grisette

Stem 8-15 cm tall, 0.5-1.2 cm thick, thin, slender. Color whitish, with fine lengthwise brownish fibers or a fine mesh. No ring: the key difference from its deadly relatives. At the base: a sac-like, eggshell volva (whitish or with brownish tints), just like the destroying angel's.

Flesh

Amanita battarrae

Flesh white, thin, brittle. Does NOT change color when cut. Springy in young mushrooms, crumbly in mature ones.

Tawny grisette

Flesh thin, soft, white to pale cream. When cut, it does not change color. Smell faint and neutral.

Smell

Amanita battarrae

Smell faint, neutral, described in some sources as slightly radish-like. Taste (only after cooking) — mild, with no pronounced notes.

Tawny grisette

Faint, neutral, mushroomy, with no distinctive notes.

📍 Habitats

Amanita battarrae

Deciduous forestMixed forest

Tawny grisette

Deciduous forestMixed forest

👀 Similar mushrooms — don't mix them up!

❓ Frequently asked questions

Can Amanita battarrae and Tawny grisette be mixed up?
Yes, they look so similar that people often mix them up. The cap color, cap shape help tell them apart.
How to tell Amanita battarrae from Tawny grisette?
The main differences: cap color: Amanita battarrae — grey, brown, Tawny grisette — orange, brown, red; cap shape: Amanita battarrae — umbonate, Tawny grisette — convex. The full table of characteristics is higher up on this page.
Is Tawny grisette edible?
Tawny grisette — conditionally edible.
When do Amanita battarrae and Tawny grisette grow?
Amanita battarrae — August–October; Tawny grisette — July–October.

Sources

  • [1]Вікіпедія (українська)
  • [2]Атлас грибів України, Зеров Д.К. (1979)
  • [3]MycoBank Database
  • [4]Index Fungorum
  • [5]GBIF
  • [6]iNaturalist Ukraine