coast amaranth vs

Amaranthus pumilus compared with Comatricha tenerrima

Key Differences

• coast amaranth is Extinct while is Not Evaluated.

Taxonomic Classification

Rank	coast amaranth
Kingdom	Plantae (Plants)	Protozoa (protozoa)
Phylum	Magnoliophyta (Flowering Plants)	Mycetozoa
Class	Magnoliopsida (Dicots)	Myxomycetes (Myxomycetes)
Order	Caryophyllales (Caryophyllales)	Stemonitidales
Family	Amaranthaceae	Stemonitidaceae
Genus	Amaranthus	Comatricha
Species	Amaranthus pumilus	Comatricha tenerrima

Conservation Status

coast amaranth

EX — Extinct

NE — Not Evaluated

Physical Characteristics

Attribute	coast amaranth
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

coast amaranth

Habitat

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

Range

Found in Japan.

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).

coast amaranth

Coast amaranth (Amaranthus pumilus) is an annual herb in the family Amaranthaceae, native to the Atlantic and Gulf coasts of the eastern United States, where it once grew on coastal foredunes, beach strand, and shell-hash substrates above the high tide line from New York south to South Carolina. It is a low-growing, fleshy plant with small, rounded leaves and inconspicuous green flowers typical of the genus. Coast amaranth is assessed as Extinct in the Wild by the IUCN, as it has not been reliably documented from wild populations since the mid-20th century; the last confirmed collections date to the 1960s. The species' decline and likely extinction resulted from intense human pressure on Atlantic coastal habitats through shoreline development, beach stabilisation, vehicular traffic on beaches, and increased storm frequency disrupting pioneer dune vegetation. It is federally listed as Threatened in the United States, though this listing predates confirmed extinction in the wild. A small number of ex-situ accessions may exist in botanical garden collections. Genetic material and seed banking efforts represent the only remaining conservation options for this critically reduced species.

<em>Comatricha tenerrima</em> is a myxomycete belonging to the genus <em>Comatricha</em>, class Myxomycetes, order Stemonitidales. The species epithet tenerrima, meaning very delicate, likely refers to the particularly fine structure of its capillitium or sporangial walls. Like other members of the genus, <em>C. tenerrima</em> inhabits moist, decaying substrates such as rotting wood and leaf litter in forest environments, where the plasmodial feeding stage actively moves across surfaces to consume bacteria, yeasts, and organic particles. The transition to the reproductive stage results in the formation of stalked sporangia releasing spores for aerial dispersal. No geographic range information is provided in the current record. The species does not possess conventional biological traits such as body size or mass, and no quantitative data are available. <em>C. tenerrima</em> has not been assessed on the IUCN Red List.