Phragmites australis
E1008944
Phragmites australis is a tall, perennial reed grass commonly found in wetlands worldwide, where it often forms dense stands that dominate marsh ecosystems.
All labels observed (2)
| Label | Occurrences |
|---|---|
| Phragmites | 2 |
| Phragmites australis canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T12916910 — resolving that mention is where its identity was fixed. The disambiguator weighed these candidate entities and picked the highlighted one (or “None”, minting a new entity). This is how homonymy is resolved: the same surface form can point to different entities.
NED1
Entity disambiguation (via context triple)
gpt-5-mini-2025-08-07
Target entity: Phragmites australis Context triple: [Hawizeh Marshes, dominantVegetation, Phragmites australis]
-
A.
Spartina alterniflora (smooth cordgrass)
Spartina alterniflora, or smooth cordgrass, is a salt-tolerant perennial grass native to Atlantic and Gulf Coast salt marshes, where it plays a key role in stabilizing shorelines and providing habitat for coastal wildlife.
-
B.
Phragmacia
Phragmacia is a genus of small insectivorous passerine birds in the warbler family Sylviidae.
-
C.
Typha species
Typha species are tall, grass-like wetland plants commonly known as cattails, characterized by their cylindrical brown flower spikes and preference for marshy, freshwater habitats.
-
D.
Cyperus
Cyperus is a large and diverse genus of sedge plants found worldwide, including species such as papyrus and nutsedge, known for their grass-like appearance and ecological importance in wetlands and grasslands.
-
E.
Salicornia
Salicornia is a genus of succulent, salt-tolerant plants commonly known as glassworts, found in coastal salt marshes and used as both a vegetable and a source of soda ash historically.
- F. None of above. chosen
- G. Unsure - the case is ambiguous/there is not enough information to decide.
NED2
Entity disambiguation (via description)
gpt-5-mini-2025-08-07
Target entity: Phragmites australis Target entity description: Phragmites australis is a tall, perennial reed grass commonly found in wetlands worldwide, where it often forms dense stands that dominate marsh ecosystems.
-
A.
Spartina alterniflora (smooth cordgrass)
Spartina alterniflora, or smooth cordgrass, is a salt-tolerant perennial grass native to Atlantic and Gulf Coast salt marshes, where it plays a key role in stabilizing shorelines and providing habitat for coastal wildlife.
-
B.
Phragmacia
Phragmacia is a genus of small insectivorous passerine birds in the warbler family Sylviidae.
-
C.
Typha species
Typha species are tall, grass-like wetland plants commonly known as cattails, characterized by their cylindrical brown flower spikes and preference for marshy, freshwater habitats.
-
D.
Cyperus
Cyperus is a large and diverse genus of sedge plants found worldwide, including species such as papyrus and nutsedge, known for their grass-like appearance and ecological importance in wetlands and grasslands.
-
E.
Salicornia
Salicornia is a genus of succulent, salt-tolerant plants commonly known as glassworts, found in coastal salt marshes and used as both a vegetable and a source of soda ash historically.
- F. None of above. chosen
Statements (52)
| Predicate | Object |
|---|---|
| instanceOf |
perennial grass
ⓘ
plant species ⓘ reed grass ⓘ |
| class | Liliopsida ⓘ |
| commonName | common reed ⓘ |
| conservationStatus | least concern ⓘ |
| dispersalMethod |
rhizome fragmentation
ⓘ
wind-dispersed seeds ⓘ |
| distribution | cosmopolitan ⓘ |
| ecologicalRole |
habitat former in wetlands
ⓘ
primary producer ⓘ |
| family | Poaceae ⓘ |
| floweringSeason | summer ⓘ |
| forms | dense stands ⓘ |
| genus |
Phragmites
ⓘ
linked to:
Phragmites australis
|
| growthForm | tall grass ⓘ |
| habitat |
lakeshores
ⓘ
marshes ⓘ riverbanks ⓘ wetlands ⓘ |
| impact |
can alter hydrology of wetlands
ⓘ
can change fire regimes in marshes ⓘ can outcompete native wetland plants ⓘ can reduce plant species diversity ⓘ |
| inflorescenceType | feathery panicle ⓘ |
| introducedRange |
New Zealand
ⓘ
North America ⓘ South America ⓘ |
| kingdom | Plantae ⓘ |
| leafType | linear leaves ⓘ |
| lifeCycle | perennial ⓘ |
| maximumHeight | up to 4 meters ⓘ |
| nativeRange |
Africa
ⓘ
Australia ⓘ Eurasia ⓘ |
| notableIssue | invasive in North America ⓘ |
| order | Poales ⓘ |
| photosyntheticPathway | C3 ⓘ |
| phylum | Tracheophyta ⓘ |
| reproduction |
asexual reproduction by rhizomes
ⓘ
sexual reproduction by seeds ⓘ |
| rootSystem | extensive rhizome network ⓘ |
| stemType | hollow culms ⓘ |
| taxonRank | species ⓘ |
| tolerance |
flooding tolerance
ⓘ
high salinity tolerance ⓘ nutrient enrichment tolerance ⓘ |
| usedFor |
fencing material
ⓘ
handicrafts ⓘ pulp and paper production ⓘ thatched roofing ⓘ wastewater treatment reed beds ⓘ |
How these facts were elicited
The pipeline generated the facts above by prompting gpt-5.1 with this entity's name + description and the instruction below.
Instruction
You are a knowledge base construction expert. Given a subject entity and a description of it, return factual statements that you know for the subject as a JSON list of dictionaries(triples), where keys must be "subject", "predicate" and "object". The number of facts may be very high, between 25 to 50 or more, for very popular subjects. For less popular subjects, the number of facts can be very low, like 5 or 10. # Requirements - If you don't know the subject at all, return an empty list. - If the subject is not a named entity, return an empty list. - Include at least one triple where predicate is "instanceOf". - Do not get too wordy. - Separate several objects into multiple triples with one object.
Input
Subject: Phragmites australis Description of subject: Phragmites australis is a tall, perennial reed grass commonly found in wetlands worldwide, where it often forms dense stands that dominate marsh ecosystems.
Referenced by (3)
Full triples — surface form annotated when it differs from this entity's canonical label.
linked to: Phragmites australis
linked to: Phragmites australis