Living forms / Toothed · unbranched

Lion's mane

Hericium erinaceus

Deep Biology · From visible form to microscopic life

All specimens

Illustrative 3D modelFruiting body / 3D

Lion's mane — Illustrative 3D model preview

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Educational representation · not to scale

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Educational sequence · not a real-time animationAcross biological scales; conceptual sequence, not a timetable

A conceptual mushroom-forming basidiomycete sexual cycle, with explicitly marked Lion's Mane observations. Growth and colonization overlap; durations are not specified.

An educational illustration connects this view to the whole fungus.

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Hericium / Hericiaceae

Lion's mane

Hericium erinaceus

01 / The fruiting body

A closer look.

A compact fruiting body carries a curtain of hanging teeth. It has no mushroom cap, gills or central stalk.

Form at a glance

Unbranched mature form
Long pendant teeth
Wood-attached fruiting body

Switch to Anatomy to trace individual structures, or choose a view to see another surface.

Follow a tooth into microscopic life.

Explore the spore-producing surface and its relationship to the whole fungus.

Classification & naming

Kingdom: Fungi
Phylum: Basidiomycota
Class: Agaricomycetes
Order: Russulales
Family: Hericiaceae
Genus: Hericium
Accepted name: Hericium erinaceus

Historical synonyms
Hydnum erinaceus Bull. (basionym)

Ranks and accepted name follow Kew/Index Fungorum. Historical names are retained here for reading older literature; the catalog record is unchanged.

Sources (1)

Index Fungorum: Hericium erinaceus

Taxonomic note

Hericium erinaceus remains an accepted name. Recent multilocus work separates regional relatives previously included under that name. Older field accounts and culture studies may use a broader concept; their observations do not authenticate this illustrative model's species identity.

Sources (2)

Index Fungorum: Hericium erinaceus A multilocus phylogeny of Hericium (Hericiaceae, Russulales)

02 / Form & function

Read the anatomy.

Choose a marker, a surface, or a structure below. The selected region is gently emphasized.

Select a structure

01Fruiting bodyBasidioma

The rounded core represents a compact, unbranched mature fruiting body. Its contour is approximate and its attachment to wood is simplified.

Function

The reproductive body supports the spore-bearing teeth.

When observing

Its mature unbranched form is informative, but young branched relatives may appear similar.

Sources (2)

Ascomycetes and basidiomycetes Hericium erinaceus

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02Teeth / spinesHydnoid hymenophore

The hanging tooth-like structures provide the characteristic silhouette. Tooth length, density and distribution are illustrative rather than measured.

Function

Their outer surface carries the spore-bearing hymenium; the microscopic layer is not separately modeled.

When observing

Tooth length and distribution are useful context, but change with maturity.

Sources (2)

Fungi of Australia glossary Hericium erinaceus

The visible tooth supports a microscopic spore-producing surface.

03Attachment / baseBasal attachment

A short lateral base connects the fruiting mass to wood. Its form is approximate in this model.

Function

Connects the visible reproductive body with its woody substrate.

When observing

Lion's Mane lacks a distinct stalk. This attachment is not a stipe.

Sources (2)

Hericium erinaceus Bearded tooth

Continue in Academy →

Highlighting follows the model's named surfaces when 3D is available. Microscopic layers are not represented in this macro model.

03 / Learning to observe

Notice the differences.

One mature mass

A mature unbranched mass with long hanging teeth contrasts with branched Hericium forms.

Sources (1)

Hericium erinaceus

Young specimens can mislead

Young branching Hericium species can initially resemble a single compact mass. Tooth length also changes with maturity, so age matters when comparing forms.

Sources (1)

Hericium erinaceus

Compare with Comb tooth

Hericium coralloides has an open branched form carrying short pendant teeth. Mature Lion's Mane forms an unbranched mass; young specimens can make this contrast less clear.

Sources (2)

Hericium erinaceus Comb tooth: Hericium coralloides

Compare this body plan →

Natural variation

Fruiting bodies change as they mature, and individual forms vary. This illustration shows one possible mature form.

Visual features alone may not establish identity. Do not use this model or visual identification alone to decide whether a wild fungus is safe to consume.

Edibility and toxicity have not been reviewed for this collection. A model cannot establish identity or food safety.

04 / A place in nature

Connected to its habitat.

Living and dead hardwood

Field accounts published under H. erinaceus include wounds on living hardwoods, particularly oak, and describe saprobic and parasitic roles. These records predate the recent species-complex revision.

Sources (1)

Hericium erinaceus

Wood decay and nutrient cycling

By decomposing dead or dying wood, this fungus participates in nutrient recycling in woodland systems.

Sources (1)

Bearded tooth

Explore in Academy →

05 / A smaller biological scale

From tooth to microscopic structure

Follow the visible teeth into a conceptual view of their fertile surface, then connect individual hyphae with mycelium.

Microscopic context; qualitative scale, not calibrated.

01Spore-bearing surfaceHymenium
General basidiomycete biology

A thin fertile layer follows the outside of the teeth. It contains spore-producing cells; the whole tooth is not a single cell.
Reading the illustration
- The upper shape is one tooth. The larger layer below represents its fertile surface.
Biological role
Presents reproductive cells at an exposed surface.

Fruiting body > tooth exterior > microscopic fertile layer

Advanced biology
The colored strip is a teaching convention. Its thickness and cell spacing are exaggerated, and the diagram omits other cell types.

Sources (2)

Fungi of Australia glossary (opens in a new tab) Ascomycetes and basidiomycetes (opens in a new tab)

Continue in Academy →
02Spore-producing cellBasidium

General basidiomycete biology

Basidia are microscopic reproductive cells in the hymenium. Spores form externally on small projections called sterigmata.

Biological role
Supports the formation of sexual spores.

Tooth exterior > hymenium > one reproductive cell

Advanced biology
Four projections illustrate a common basidiomycete arrangement. This is not a measured count or reconstruction of a particular Lion's Mane basidium.

Sources (1)

Ascomycetes and basidiomycetes (opens in a new tab)

Continue in Academy →
03Sexual sporesBasidiospores

General basidiomycete biology

These reproductive propagules form at basidial tips before release. Their drawn size, shape and color are symbolic.

Biological role
Connects reproduction with dispersal and possible establishment elsewhere.

Outside the basidium, then beyond the fruiting body

Advanced biology
A study of cultures reported as H. erinaceus recovered basidiospores from mature spines and examined single-spore descendants. Those culture names predate the recent species-complex revision; this drawing is not a micrograph.

Sources (4)

Ascomycetes and basidiomycetes (opens in a new tab) Spore discharge and dispersal in mushrooms (opens in a new tab) A Resequencing-Based Ultradense Genetic Map of Hericium erinaceus for Anchoring Genome Sequences and Identifying Genetic Loci Associated With Monokaryon Growth (opens in a new tab) A multilocus phylogeny of Hericium (Hericiaceae, Russulales) (opens in a new tab)

Continue in Academy →
04One fungal filamentHypha

General fungal biology

A hypha is a tubular fungal filament. Hyphae extend and branch; many together form a mycelium.

Biological role
Contributes to growth and nutrient acquisition.

One filament within tissue or substrate

Advanced biology
Fungi absorb dissolved resources. Extracellular digestion can make larger organic molecules available; the diagram shows form, not a measured digestion rate.

Sources (1)

What is a fungus? (opens in a new tab)

Continue in Academy →
05A network of filamentsMycelium

General fungal biology

Mycelium is the connected mass of fungal hyphae. Much of the organism can remain within its substrate when a fruiting body is visible.

Biological role
Occupies substrate and supplies the growing fungus.

Many hyphae in the substrate, beyond the visible fruiting body

Advanced biology
The network can extend, branch and change with local conditions. Its drawing is conceptual and does not map the hidden extent of this specimen.

Sources (2)

What is a fungus? (opens in a new tab) The mycelium (opens in a new tab)

Continue in Academy →

Scientific review & scope

Source-linked editorial review; expert review pending. Microscopic teaching text, claim scope, diagram relationships and source associations. Qualitative educational diagrams; no microscopy measurements.

Reference set 2026-10-03.1 · 2026-10-03

Original educational SVG diagram; not a micrograph or measured reconstruction.

06 / Continuity of life

A fungus through its life cycle

Nine linked views connect spores, hyphae, mycelium, wood and the spore-producing fruiting body.

Across biological scales; conceptual sequence, not a timetable.

01A basidiosporeBasidiospore
General basidiomycete biology

The sequence begins with a dispersed sexual spore. Only some spores encounter conditions that allow further development.
Reading the illustration
- The dot represents a haploid nucleus (n).
Biological role
Carries reproductive potential away from the fruiting body.

Outside the fruiting body, before establishment

Advanced biology
The single nuclear symbol denotes the haploid state in this simplified cycle. It is not a microscope observation of a particular spore.

Sources (2)

Sexual reproduction (opens in a new tab) Spore discharge and dispersal in mushrooms (opens in a new tab)

Continue in Academy →
02GerminationGerm tube emergence
General basidiomycete biology

A germinating spore can produce an initial hypha called a germ tube.
Reading the illustration
- Dots represent haploid nuclei; their placement is schematic.
Biological role
Begins filamentous growth.

At a suitable place in the substrate

Advanced biology
The cited study identified single-spore descendants of cultures reported as H. erinaceus as monokaryons. Parent strain CS-4 appears as H. asiaticum in the later revision, so this is not verified evidence for H. erinaceus in its narrower sense.

Sources (3)

The mycelium (opens in a new tab) A Resequencing-Based Ultradense Genetic Map of Hericium erinaceus for Anchoring Genome Sequences and Identifying Genetic Loci Associated With Monokaryon Growth (opens in a new tab) A multilocus phylogeny of Hericium (Hericiaceae, Russulales) (opens in a new tab)

Continue in Academy →
03Hyphae extend and branchVegetative hyphal growth
General basidiomycete biology

The initial filament elongates and branches, creating more points of contact with the substrate.
Reading the illustration
- Dots represent haploid nuclei; their placement is schematic.
Biological role
Expands the feeding structure.

Within the substrate; one filament becomes a branching system

Advanced biology
These early filaments represent monokaryotic growth in this simplified sexual cycle. Hyphal growth and resource acquisition continue at later stages too.

Sources (3)

What is a fungus? (opens in a new tab) The mycelium (opens in a new tab) Sexual reproduction (opens in a new tab)

Continue in Academy →
04Compatible hyphae meetPlasmogamy and dikaryon establishment
General basidiomycete biology

Compatible hyphae can join their cell contents. The partner nuclei remain separate as a dikaryon rather than immediately merging.
Reading the illustration
- 1 and 2 mark compatible partners, not mating-locus names.
- Paired dots after cytoplasmic fusion represent two separate haploid nuclei (n + n).
Biological role
Brings compatible genetic partners into a shared mycelium.

Contact between compatible mycelia in the substrate

Advanced biology
Compatibility is genetic, not merely contact. The cited older-name culture study mapped MAT-A and MAT-B loci; its taxon attribution should be read with the revision, rather than treated as authentication of this illustrative specimen.

Sources (3)

Sexual reproduction (opens in a new tab) A Resequencing-Based Ultradense Genetic Map of Hericium erinaceus for Anchoring Genome Sequences and Identifying Genetic Loci Associated With Monokaryon Growth (opens in a new tab) A multilocus phylogeny of Hericium (Hericiaceae, Russulales) (opens in a new tab)

Continue in Academy →
05Established myceliumDikaryotic mycelium
General basidiomycete biology

The paired-nucleus mycelium can continue growing and occupy more of the substrate.
Reading the illustration
- Paired dots represent separate haploid nuclei (n + n); their placement is schematic.
Biological role
Maintains the vegetative body that can support later reproduction.

A persistent network within the substrate

Advanced biology
Dikaryotic means two separate haploid nuclei share a cellular compartment (n + n); it does not mean one diploid nucleus (2n).

Sources (2)

The mycelium (opens in a new tab) Sexual reproduction (opens in a new tab)

Continue in Academy →
06Life within woodSubstrate colonization
Hericium erinaceus evidence

Field accounts published under H. erinaceus describe hardwood associations, including dead wood and wounds on living trees.
Reading the illustration
- Paired dots represent separate haploid nuclei (n + n); their placement is schematic.
Biological role
Wood decay contributes to nutrient recycling while fungal biomass grows.

Mycelium within woody substrate; illustration shows otherwise hidden context

Advanced biology
The network is a conceptual cutaway; its size and decay rate cannot be inferred from the fruiting body. Older-name field records require reconciliation with the revised species concept.

Sources (5)

Hericium erinaceus (opens in a new tab) Bearded tooth (opens in a new tab) What is a fungus? (opens in a new tab) Sexual reproduction (opens in a new tab) A multilocus phylogeny of Hericium (Hericiaceae, Russulales) (opens in a new tab)

Continue in Academy →
07A fruiting body developsBasidioma development

Hericium erinaceus evidence

Field accounts under H. erinaceus describe a reproductive body forming an unbranched mass with hanging teeth.

Biological role
Positions fertile surfaces outside the woody substrate.

From a wood attachment into the visible air-facing structure

Advanced biology
This visible structure is part of the fungus. Fruiting is not the start of the organism, and these nine illustrations do not represent equal durations.

Sources (2)

Ascomycetes and basidiomycetes (opens in a new tab) Bearded tooth (opens in a new tab)

Continue in Academy →
08Basidia on the teethBasidial development, karyogamy and meiosis
General basidiomycete biology

Reproductive cells develop in the hymenium on tooth surfaces. The diagram opens one cell to explain nuclear changes.
Reading the illustration
- 1: Two separate haploid nuclei (n + n).
- 2: Nuclear fusion produces one diploid nucleus (2n).
- 3: Meiosis yields four haploid nuclei.
Biological role
Produces the nuclei that will enter new sexual spores.

Fruiting body > tooth surface > hymenium > basidium

Advanced biology
In the general cycle, the paired nuclei fuse (karyogamy, 2n), then meiosis produces haploid nuclei. The two-to-one-to-four inset is a sequence, not simultaneous states or measured timing.

Sources (2)

Ascomycetes and basidiomycetes (opens in a new tab) Sexual reproduction (opens in a new tab)

Continue in Academy →
09New spores form and disperseBasidiospore development and release
General basidiomycete biology

New basidiospores develop externally on basidia and are released from the fertile surface.
Reading the illustration
- Four spores are shown: two attached and two released. Arrows indicate dispersal, not timing.
Biological role
Renews the opportunity for dispersal and another cycle.

From microscopic basidial tips into the surrounding air

Advanced biology
In many basidiomycetes, surface-tension-driven discharge launches spores a short distance before surrounding air can carry them. This schematic does not simulate that trajectory or the probability of establishment.

Sources (2)

Ascomycetes and basidiomycetes (opens in a new tab) Spore discharge and dispersal in mushrooms (opens in a new tab)

Continue in Academy →

Scientific review & scope

Source-linked editorial review; expert review pending. Conceptual basidiomycete life-cycle order, claim scope and source associations. No measured timing, size or species-specific nuclear-cycle validation.

Reference set 2026-10-03.1 · 2026-10-03

Original educational SVG sequence; not time-lapse footage or calibrated microscopy.

Scientific references13 sources / 2026-10-03

Source-linked editorial review; expert review pending. Species text, taxonomy, visible anatomy descriptions and scientific source associations. This editorial check does not validate model geometry.

Reference set 2026-10-03.1 · 2026-10-03

Index Fungorum: Hericium erinaceus ↗Royal Botanic Gardens, Kew · Index Fungorum / Species Fungorum taxonomic-database · Accessed 2026-10-03
Fungi of Australia glossary ↗C. A. Grgurinovic · Australian Biological Resources Study / DCCEEW (1996)government-reference · Accessed 2026-10-02
Macroscopic features ↗Heino Lepp · Australian National Botanic Gardens government-reference · Accessed 2026-10-02
Ascomycetes and basidiomycetes ↗Heino Lepp · Australian National Botanic Gardens government-reference · Accessed 2026-10-02
Hericium erinaceus ↗Michael Kuo · MushroomExpert: documented herbarium collections (2022)collection-based-mycology · Accessed 2026-10-02
Bearded tooth ↗Missouri Department of Conservation · Missouri field guide government-reference · Accessed 2026-10-02
What is a fungus? ↗Heino Lepp · Australian National Botanic Gardens government-reference · Accessed 2026-10-02
The mycelium ↗Heino Lepp · Australian National Botanic Gardens government-reference · Accessed 2026-10-02
Sexual reproduction ↗Heino Lepp · Australian National Botanic Gardens government-reference · Accessed 2026-10-02
Spore discharge and dispersal in mushrooms ↗Heino Lepp · Australian National Botanic Gardens government-reference · Accessed 2026-10-02
A Resequencing-Based Ultradense Genetic Map of Hericium erinaceus for Anchoring Genome Sequences and Identifying Genetic Loci Associated With Monokaryon Growth ↗Wenbing Gong, Chunliang Xie, Yingjun Zhou, Zuohua Zhu, Yahui Wang and Yuande Peng · Frontiers in Microbiology 10:3129 (2020)peer-reviewed-research · Accessed 2026-10-02
Comb tooth: Hericium coralloides ↗Missouri Department of Conservation · Missouri field guide government-reference · Accessed 2026-10-02
A multilocus phylogeny of Hericium (Hericiaceae, Russulales) ↗Julien Koga, R. Greg Thorn and Ewald Langer · Persoonia 55:141-157 (2025)peer-reviewed-taxonomic-research · Accessed 2026-10-03

Model provenance & limitationsIllustrative 3D model / v4.0.0

Creator: MycoIlm procedural generator
Asset: hericium-erinaceus-procedural-v4 · v4.0.0
Added: 2026-10-02
Scientific review: Expert review pending
File: GLB · 2,868,684 bytes · 117,813 triangles
License: Project-authored demonstration asset; no third-party model license.

Original v4 procedural geometry generated by MycoIlm's generate_mycovault_curated.py tooling, with a shallow body-following basal attachment. The poster is a render of this same model, not a specimen photograph.

Original MycoIlm procedural geometry and generated textures; no external model or texture files used.

An educational shape study, not a specimen scan or measured reconstruction. Teeth, attachment, surface texture and proportions are approximate. No scientific scale or identification validity is claimed.

Expert review pending. Macro geometry, anatomy mappings, color, proportions and scientific scale. Procedural illustration; specimen-based accuracy has not been independently reviewed.

Reference set 2026-10-02.1

Lion's mane

01 Hymenium

02 Basidium

03 Basidiospores

04 Hypha

05 Mycelium

01 A basidiospore

02 Germination

03 Hyphae extend and branch

04 Compatible hyphae meet

05 Established mycelium

06 Life within wood

07 A fruiting body develops

08 Basidia on the teeth

09 New spores form and disperse