Dark Crottle vs Varnished Tube Lichen

Hypogymnia physodes compared with Hypogymnia austerodes

Key Differences

• Dark Crottle is Least Concern while Varnished Tube Lichen is Vulnerable.

Taxonomic Classification

Rank	Dark Crottle	Varnished Tube Lichen
Kingdom same	Fungi (फफूंद)	Fungi (फफूंद)
Phylum same	Ascomycota (पुट कवक)	Ascomycota (पुट कवक)
Class same	Lecanoromycetes (Lecanoromycetes)	Lecanoromycetes (Lecanoromycetes)
Order same	Lecanorales (Lecanorales)	Lecanorales (Lecanorales)
Family same	Parmeliaceae	Parmeliaceae
Genus same	Hypogymnia	Hypogymnia
Species	Hypogymnia physodes	Hypogymnia austerodes

Evolutionary Relationship

Dark Crottle and Varnished Tube Lichen share a common ancestor at the Genus level: Hypogymnia.

Conservation Status

Dark Crottle

LC — Least Concern

Varnished Tube Lichen

VU — Vulnerable

Physical Characteristics

Attribute	Dark Crottle	Varnished Tube Lichen
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Dark Crottle

Habitat

Native to Asia and Europe and North America, inhabiting ecosystems characteristic of the region.

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and North America (United States).

Varnished Tube Lichen

Habitat

Native to Europe and North America and South America, inhabiting ecosystems characteristic of the region.

Range

Distributed across Colombia, Norway, Sweden, and United States. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Shared Countries

Both species can be found in 3 countries:

🇳🇴 Norway 🇸🇪 Sweden 🇺🇸 United States