Leccinum percandidum or Orange oak bolete
How they differ, how to recognize them and which is more dangerous — a mushroom comparison
The short answer
Leccinum percandidum and Orange oak bolete are similar species that can be mixed up while foraging. The main visible difference: size: Leccinum percandidum — giant (>25 cm), Orange oak bolete — large (over 15 cm). The mushrooms also differ in the following features: cap color, cap surface, stem.

Leccinum percandidum
Leccinum percandidum

Orange oak bolete
Leccinum quercinum
📊 Comparing characteristics
| Characteristic | Leccinum percandidum | Orange oak bolete |
|---|---|---|
| Edibility class | Leccinum percandidum Edible | Orange oak bolete Edible |
| Season | Leccinum percandidum SummerAutumn | Orange oak bolete SummerAutumn |
| Use | Leccinum percandidum Cook freshPicklingDryingSalting | Orange oak bolete Cook freshDryingPicklingSalting |
| Size | Leccinum percandidum Giant (>25 cm) | Orange oak bolete Large (over 15 cm) |
| Cap color | Leccinum percandidum WhiteCreamGrey | Orange oak bolete RedBrownDark brown |
| Cap shape | Leccinum percandidum Convex | Orange oak bolete Convex |
| Cap surface | Leccinum percandidum Dry | Orange oak bolete Velvety |
| Taste | Leccinum percandidum Mild | Orange oak bolete Mild |
| Smell | Leccinum percandidum Pleasant | Orange oak bolete Pleasant |
| Flesh color change | Leccinum percandidum Darkens | Orange oak bolete Darkens |
| Hymenophore | Leccinum percandidum Pored | Orange oak bolete Pored |
| Stem | Leccinum percandidum Central | Orange oak bolete Bulbous |
| Ring (veil) | Leccinum percandidum No ring | Orange oak bolete No ring |
| Volva | Leccinum percandidum No volva | Orange oak bolete No volva |
| Substrate | Leccinum percandidum Soil | Orange oak bolete Soil |
| Nutrition type | Leccinum percandidum Mycorrhizal | Orange oak bolete Mycorrhizal |
| Partner trees | Leccinum percandidum BirchAspen | Orange oak bolete OakBeech |
📅 Seasonality
Leccinum percandidum
Fruiting season
August – October
Orange oak bolete
Fruiting season
June – October
🔬 Morphology
Cap
Leccinum percandidum
Cap 8–18 cm, hemispherical in young mushrooms, then cushion-shaped, almost flat in old ones. White, cream, grayish; with age it may take on ochre or yellowish tints. The surface is matte, slightly sticky in wet weather and dry and roughish in dry weather. The skin does not peel.
Orange oak bolete
Cap 5–15 cm, hemispherical in young mushrooms, then cushion-shaped. The color is brick-red, blood-brick, darkening with age to brownish red. The surface is matte and velvety, slightly sticky in wet weather. The skin does not peel and overhangs the cap margin as a thin "fringe".
Hymenophore
Leccinum percandidum
Hymenophore tubular, free, with a notch near the stem. White when young, then grayish cream, grayish brown in mature mushrooms. Pores small, finely rounded.
Orange oak bolete
The hymenophore is tubular, free, notched at the stem. White when young, then grayish cream, grayish brown in mature ones. The pores are small and round. They darken quickly when pressed.
Stem
Leccinum percandidum
Stem massive, 10–20 cm tall, 3–5 cm thick, club-shaped in young mushrooms, cylindrical in old ones. White or grayish cream, covered with characteristic dense grayish or brownish fibrous scales — gray to blackish even in young mushrooms.
Orange oak bolete
Stem 10–18 cm tall, 2–4 cm thick, cylindrical, slightly bulbous at the base. The color is whitish, covered with characteristic dense brown fibrous scales — especially rich in the lower part. The base may have a bluish-green or reddish-brown tint.
Flesh
Leccinum percandidum
Flesh white, very dense and heavy. When cut, it first turns pinkish, then gray and black, with a violet tint in the cap and upper stem. At the stem base the flesh often turns blue or blue-green. The texture is fibrous and meaty.
Orange oak bolete
The flesh is white and very firm. When cut it darkens to violet-grey, grey or blackish; the stem base often turns blue-green. The texture is meaty, like the classic red-capped scaber stalk. It gets wormy less readily than the classic one.
Smell
Leccinum percandidum
Smell rich and mushroomy, pleasant. Taste mild, not bitter. The dried mushroom has a strong "earthy" aroma.
Orange oak bolete
The smell is richly mushroomy and pleasant. The taste is mild and delicate, with a note of forest litter.
📍 Habitats
Leccinum percandidum
Orange oak bolete
👀 Similar mushrooms — don't mix them up!
❓ Frequently asked questions
Can Leccinum percandidum and Orange oak bolete be mixed up?
How to tell Leccinum percandidum from Orange oak bolete?
Is Orange oak bolete edible?
When do Leccinum percandidum and Orange oak bolete grow?
Sources
- [1]Вікіпедія (українська)
- [2]Атлас грибів України, Зеров Д.К. (1979)
- [3]MycoBank Database
- [4]Index Fungorum
- [5]GBIF
- [6]iNaturalist Ukraine
- [7]Mushrooms Demystified, David Arora
- [8]Mushrooms (Roger Phillips), Roger Phillips
- [9]Визначник грибів України, Зерова М.Я. та ін. (1979)
- [10]Species Fungorum