Sargassum
E1045504
Sargassum is a genus of brown macroalgae known for forming large floating seaweed mats in tropical and subtropical oceans, particularly in the Sargasso Sea.
All labels observed (2)
How this entity was disambiguated
This entity first appeared as the object of triple T13530099 — 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: Sargassum Context triple: [Phaeophyceae, includes, Sargassum]
-
A.
Sargassum natans
Sargassum natans is a free-floating brown alga commonly found in the Sargasso Sea, where it forms extensive mats that provide habitat for diverse marine life.
-
B.
Sargassaceae
Sargassaceae is a family of brown algae best known for including the floating seaweeds of the genus Sargassum that dominate the Sargasso Sea ecosystem.
-
C.
Fucus
Fucus is a genus of brown seaweeds commonly found on rocky seashores in temperate regions, known for their flat, branching fronds and ecological importance in intertidal zones.
-
D.
Pandhana
Pandhana is a town in the Khandwa district of Madhya Pradesh, India, known as a local administrative and commercial center for surrounding rural areas.
-
E.
Suriana maritima
Suriana maritima is a salt-tolerant coastal shrub species commonly found in tropical and subtropical shorelines, known for its small yellow flowers and role in stabilizing sandy habitats.
- 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: Sargassum Target entity description: Sargassum is a genus of brown macroalgae known for forming large floating seaweed mats in tropical and subtropical oceans, particularly in the Sargasso Sea.
-
A.
Sargassum natans
Sargassum natans is a free-floating brown alga commonly found in the Sargasso Sea, where it forms extensive mats that provide habitat for diverse marine life.
-
B.
Sargassaceae
Sargassaceae is a family of brown algae best known for including the floating seaweeds of the genus Sargassum that dominate the Sargasso Sea ecosystem.
-
C.
Fucus
Fucus is a genus of brown seaweeds commonly found on rocky seashores in temperate regions, known for their flat, branching fronds and ecological importance in intertidal zones.
-
D.
Pandhana
Pandhana is a town in the Khandwa district of Madhya Pradesh, India, known as a local administrative and commercial center for surrounding rural areas.
-
E.
Suriana maritima
Suriana maritima is a salt-tolerant coastal shrub species commonly found in tropical and subtropical shorelines, known for its small yellow flowers and role in stabilizing sandy habitats.
- F. None of above. chosen
Statements (51)
| Predicate | Object |
|---|---|
| instanceOf |
brown alga
ⓘ
genus ⓘ macroalga ⓘ |
| buoyancyMechanism | gas-filled bladders ⓘ |
| canCause | coastal beaching events ⓘ |
| class | Phaeophyceae ⓘ |
| contains |
alginate
ⓘ
iodine ⓘ polyphenols ⓘ |
| describedAs | brown macroalgae ⓘ |
| distribution |
Atlantic Ocean
NERFINISHED
ⓘ
Caribbean Sea NERFINISHED ⓘ Gulf of Mexico NERFINISHED ⓘ Indo-Pacific region ⓘ |
| domain |
Eukarya
ⓘ
surface form:
Eukaryota
|
| ecologicalRole |
habitat former
ⓘ
primary producer ⓘ |
| family | Sargassaceae NERFINISHED ⓘ |
| forms | floating mats ⓘ |
| habitat |
subtropical oceans
ⓘ
tropical oceans ⓘ |
| hasStructure |
blades
ⓘ
holdfast ⓘ pneumatocysts ⓘ stipe ⓘ |
| includes |
Sargassum fluitans
NERFINISHED
ⓘ
Sargassum muticum NERFINISHED ⓘ Sargassum natans NERFINISHED ⓘ |
| invasiveIn |
European coastal waters
ⓘ
eastern North Pacific ⓘ |
| kingdom | Chromista NERFINISHED ⓘ |
| lifeCycle | diplohaplontic ⓘ |
| monitoredBy | satellite remote sensing ⓘ |
| namedAfter | Sargasso Sea NERFINISHED ⓘ |
| notableRegion | Sargasso Sea NERFINISHED ⓘ |
| order | Fucales NERFINISHED ⓘ |
| photosyntheticPigment |
chlorophyll a
ⓘ
chlorophyll c ⓘ fucoxanthin ⓘ |
| phylum | Ochrophyta NERFINISHED ⓘ |
| providesHabitatFor |
crustaceans
ⓘ
fish ⓘ sea turtles ⓘ |
| reproduction |
asexual reproduction
ⓘ
sexual reproduction ⓘ |
| taxonRank | genus ⓘ |
| thallusType | parenchymatous thallus ⓘ |
| threatens | coral reefs when overabundant ⓘ |
| usedFor |
animal feed
ⓘ
fertilizer ⓘ traditional medicine ⓘ |
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: Sargassum Description of subject: Sargassum is a genus of brown macroalgae known for forming large floating seaweed mats in tropical and subtropical oceans, particularly in the Sargasso Sea.
Referenced by (2)
Full triples — surface form annotated when it differs from this entity's canonical label.
this entity surface form:
Seaweed