Green String Lettuce vs small tortoiseshell

Ulva linza compared with Aglais urticae

Key Differences

• Green String Lettuce is Least Concern while small tortoiseshell is Near Threatened.

Taxonomic Classification

Rank	Green String Lettuce	small tortoiseshell
Kingdom	Plantae (植物)	Animalia (動物)
Phylum	Chlorophyta (緑藻植物門)	Arthropoda (節足動物)
Class	Ulvophyceae (アオサ藻綱)	Insecta (昆虫)
Order	Ulvales (アオサ目)	Lepidoptera (チョウ目)
Family	Ulvaceae	Nymphalidae (Brush-footed Butterflies)
Genus	Ulva	Aglais
Species	Ulva linza	Aglais urticae

Conservation Status

Green String Lettuce

LC — Least Concern

small tortoiseshell

NT — Near Threatened

Physical Characteristics

Attribute	Green String Lettuce	small tortoiseshell
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Green String Lettuce

Habitat

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

Range

Widely distributed across Asia (Taiwan), Europe (4 countries), and South America (Brazil).

small tortoiseshell

Habitat

Typically found in virtually all terrestrial and freshwater habitats.

Range

Found across Europe (41 countries). Listed as Near Threatened, this species requires ongoing monitoring to prevent population decline.

small tortoiseshell

スモールトータスシェル(Aglais urticae)はIUCNレッドリストで準絶滅危惧(NT)に分類されている。絶滅危惧種に分類される一歩手前の段階で、保全措置がなければ脆弱になる可能性のある個体群を持つ。

Shared Countries

Both species can be found in 4 countries:

🇩🇰 Denmark 🇳🇴 Norway 🇵🇹 Portugal 🇸🇪 Sweden