Coastal Ragweed vs Common Puffball

Ambrosia hispida compared with Lycoperdon perlatum

Taxonomic Classification

Rank	Coastal Ragweed	Common Puffball
Kingdom	Plantae (Plants)	Fungi (Fungi)
Phylum	Magnoliophyta (Flowering Plants)	Basidiomycota (Club Fungi)
Class	Magnoliopsida (Dicots)	Agaricomycetes (Mushrooms)
Order	Asterales (Daisies & Sunflowers)	Agaricales (Gilled Mushrooms)
Family	Asteraceae (Daisy Family)	Lycoperdaceae
Genus	Ambrosia	Lycoperdon
Species	Ambrosia hispida	Lycoperdon perlatum

Conservation Status

Coastal Ragweed

LC — Least Concern

Common Puffball

LC — Least Concern

Physical Characteristics

Attribute	Coastal Ragweed	Common Puffball
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Coastal Ragweed

Habitat

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

Range

Found in Cuba.

Common Puffball

Habitat

Typically found in forest floors, decomposing wood, and soil ecosystems.

Range

Widely distributed across Asia (Taiwan), Europe (5 countries), North America (United States), and South America (Brazil).

Coastal Ragweed

Coastal ragweed (Ambrosia hispida) is a perennial herb in the family Asteraceae, native to the coastal dunes, sandy beaches, and cays of Cuba, the Bahamas, and the wider Caribbean region. It grows in pioneer beach and dune vegetation, often forming spreading colonies that help stabilise loose coastal sands. Like other members of the genus Ambrosia, it bears inconspicuous greenish-white flowers arranged in racemes; male flower heads produce wind-dispersed pollen that can trigger allergic rhinitis in sensitive individuals. The deeply lobed, hispid leaves are adapted to reflect intense solar radiation and tolerate salt spray. Coastal ragweed plays an ecological role in early dune succession, binding sand and enabling other plant species to establish. The genus is widespread globally, with several Ambrosia species considered noxious weeds in agricultural settings, though Ambrosia hispida is restricted to its native Caribbean coastal range. The IUCN assesses it as Least Concern, reflecting adequate population size across its Caribbean coastal distribution. Pressure from coastal development and tourism infrastructure poses a localised threat to dune communities it inhabits.

Common Puffball

The Common Puffball, <em>Lycoperdon perlatum</em>, is a widespread saprotrophic fungus in the family Agaricaceae, found across Asia, Europe, and the Americas in a broad range of terrestrial habitats. It typically fruits in summer and autumn in deciduous and mixed forests, grasslands, and along woodland paths, decomposing leaf litter and organic debris. The fruiting bodies are spherical to pear-shaped, white when young, covered in small conical spines or warts that leave a distinctive netted scar pattern when rubbed off. The interior flesh, known as the gleba, is initially white and firm and edible at this stage; as the fungus matures it turns yellowish-brown and powdery, eventually releasing billions of spores through a pore at the apex when the outer skin ruptures or is disturbed. <em>Lycoperdon perlatum</em> plays an important ecological role in nutrient cycling through decomposition of lignocellulosic materials. It is one of the most commonly encountered puffball species in temperate regions and is assessed as Least Concern on the IUCN Red List owing to its wide distribution and abundance. Biological traits such as average lifespan, body size, and specific dietary preferences remain poorly documented for this species.