Blackboard Tree vs Common Dandelion

Alstonia scholaris compared with Taraxacum polyodon

Taxonomic Classification

Rank	Blackboard Tree	Common Dandelion
Kingdom same	Plantae (Plants)	Plantae (Plants)
Phylum same	Magnoliophyta (Flowering Plants)	Magnoliophyta (Flowering Plants)
Class same	Magnoliopsida (Dicots)	Magnoliopsida (Dicots)
Order	Gentianales (Gentianales)	Asterales (Daisies & Sunflowers)
Family	Apocynaceae	Asteraceae (Daisy Family)
Genus	Alstonia	Taraxacum
Species	Alstonia scholaris	Taraxacum polyodon

Evolutionary Relationship

Blackboard Tree and Common Dandelion share a common ancestor at the Class level: Magnoliopsida. (Dicots)

Conservation Status

Blackboard Tree

LC — Least Concern

Common Dandelion

LC — Least Concern

Physical Characteristics

Attribute	Blackboard Tree	Common Dandelion
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Blackboard Tree

Habitat

Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.

Range

Distributed across Micronesia, Taiwan, and United States.

Common Dandelion

Habitat

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

Range

Distributed across Denmark, Norway, and Sweden.

Blackboard Tree

The Blackboard Tree (Alstonia scholaris) is a species in the genus Alstonia. It is currently classified as Least Concern on the IUCN Red List. Inhabits tropical and subtropical moist broadleaf forests and tropical and subtropical dry broadleaf forests within the Oceanian biogeographic realm.

Common Dandelion

<em>Taraxacum polyodon</em>, a species commonly referred to as a dandelion, is a perennial herbaceous plant in the family Asteraceae. This species is distributed across Denmark, Norway, and Sweden, where it typically inhabits diverse terrestrial habitats including grasslands, roadsides, lawns, and disturbed soils. Like other members of the genus Taraxacum, <em>Taraxacum polyodon</em> is characterized by a basal rosette of toothed leaves, hollow stems, and composite yellow flower heads that mature into spherical seed heads dispersed by wind. The species is capable of reproducing apomictically, meaning seeds can develop without fertilization, which contributes to its successful colonization of a wide variety of environments. It often thrives in nutrient-rich soils and tolerates moderate disturbance. Its conservation status is assessed as Least Concern, reflecting stable populations within its Scandinavian range. The common dandelion is an ecologically important early-season nectar source for pollinators including bees and hoverflies, and its leaves and roots have historically been used in culinary and medicinal contexts.