Common Michaelmas Daisy vs Polar bear

Symphyotrichum salignum compared with Ursus maritimus

Key Differences

• Common Michaelmas Daisy is Not Evaluated while Polar bear is Vulnerable.

Taxonomic Classification

Rank	Common Michaelmas Daisy	Polar bear
Kingdom	Plantae (植物)	Animalia (动物界)
Phylum	Magnoliophyta (木兰植物门)	Chordata (脊索动物门)
Class	Magnoliopsida (木兰纲)	Mammalia (哺乳動物)
Order	Asterales (菊目)	Carnivora (食肉目)
Family	Asteraceae (Daisy Family)	Ursidae (Bears)
Genus	Symphyotrichum	Ursus (Bears)
Species	Symphyotrichum salignum	Ursus maritimus

Conservation Status

Common Michaelmas Daisy

NE — Not Evaluated

Polar bear

VU — Vulnerable

Population: ~26.0K

Trend: Decreasing ↓

Physical Characteristics

Attribute	Common Michaelmas Daisy	Polar bear
Diet	—	Carnivore
Average Lifespan	—	25 years
Average Length	—	2.4 m
Average Weight	—	450.0 kg

Habitat & Geographic Range

Common Michaelmas Daisy

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Widely distributed across Asia (Uzbekistan), Europe (11 countries), and North America (United States).

Polar bear

Habitat

Found across multiple habitat types including temperate broadleaf and mixed forests, temperate coniferous forests, and boreal forests and taiga, among 4 distinct biome types within the Palearctic biogeographic realm. Populations are also found in montane and highland environments at higher elevations.

Range

Found in Norway. Currently classified as Vulnerable on the IUCN Red List, this species faces significant conservation challenges across its range.

Common Michaelmas Daisy

The Common Michaelmas Daisy (<em>Symphyotrichum salignum</em>) is a flowering plant in the genus <em>Symphyotrichum</em>, belonging to the daisy family Asteraceae. This species is widely distributed across a broad geographic range spanning Asia, Europe, and North America, with confirmed presence in countries including Belgium, Czech Republic, Denmark, Estonia, and France, among others. It is typically found in diverse terrestrial habitats, from tropical forests to temperate regions. The Common Michaelmas Daisy is characterized by its late-season blooms, producing small daisy-like flowers that provide valuable nectar for pollinators in autumn when few other flowers are available. As an aster, it typically grows as a perennial herbaceous plant, spreading through both seeds and rhizomes. Its conservation status has not been formally evaluated by the IUCN. Biological traits such as specific lifespan and body measurements are not documented in available records. The genus <em>Symphyotrichum</em> was previously included in the broader genus <em>Aster</em> before taxonomic revision separated North American species into their own grouping.

Polar bear

北极熊是地球上最大的陆地食肉动物，体重可超过700千克，分布于从加拿大到俄罗斯的北极海冰区。是高度特化的海洋哺乳动物，依赖海冰捕猎环斑海豹和髯海豹。是优秀的游泳者，能够横渡广阔的开阔水域。被列为易危种，因气候变化导致北极海冰迅速减少，种群正受到严重威胁。

Shared Countries

Both species can be found in 1 countries:

🇳🇴 Norway