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Ray's Knotgrass

Polygonum oxyspermum

Endangered

Habitat & Distribution

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

Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.

🇳🇴 Norway 🇸🇪 Sweden 🇩🇰 Denmark

Conservation Status

EN Endangered

Full Taxonomy

Kingdom

Plantae (planta)

Phylum

Magnoliophyta (Flowering Plants)

Class

Magnoliopsida (Dicots)

Order

Caryophyllales (Caryophyllales)

Species

Polygonum oxyspermum (Ray's Knotgrass)

Names in Other Languages

French renouée à fruits pointus

Similar Species in Polygonum

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Caspian Knotweed

Polygonum caspicum

Critically Endangered

View all species in Polygonum →

Explore More

Compare Species

vs Caspian Knotweed vs Common Knotweed vs Sea Knotgrass vs Lesser Red-knotgrass

Frequently Asked Questions

What is the scientific name of Ray's Knotgrass?

The scientific name of Ray's Knotgrass is Polygonum oxyspermum. It belongs to the genus Polygonum.

What is the conservation status of Ray's Knotgrass?

Ray's Knotgrass (Polygonum oxyspermum) is classified as Endangered by the IUCN Red List.

Where does Ray's Knotgrass live?

Ray's Knotgrass is found in Distributed across Denmark, Norway, and Sweden. Currently classified as Endangered on the IUCN Red List, this species faces significant conservation challenges across its range.. Countries include Denmark, Norway, Sweden.

What family does Ray's Knotgrass belong to?

Ray's Knotgrass (Polygonum oxyspermum) belongs to the genus Polygonum, which is part of the taxonomic family Polygonaceae.

Is Ray's Knotgrass endangered?

Yes, Ray's Knotgrass (Polygonum oxyspermum) is classified as Endangered on the IUCN Red List, which means it faces a significant risk of extinction in the wild.

What kingdom does Ray's Knotgrass belong to?

Ray's Knotgrass (Polygonum oxyspermum) belongs to the kingdom Plantae (planta).

What are the closest relatives of Ray's Knotgrass?

The closest relatives of Ray's Knotgrass in the genus Polygonum include Caspian Knotweed, Common Knotweed, Sea Knotgrass, Lesser Red-knotgrass, Narrowleaf knotweed.