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 (动物界)
Phylum	Chlorophyta (綠藻門)	Arthropoda (节肢动物门)
Class	Ulvophyceae (石蓴綱)	Insecta (昆蟲綱)
Order	Ulvales (石莼目)	Lepidoptera (鱗翅目)
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

小玳瑁蛱蝶(Aglais urticae)在IUCN红色名录中被列为近危(NT)物种。接近符合受威胁种标准，如无保护措施，种群可能变得脆弱。

Shared Countries

Both species can be found in 4 countries:

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