Ophiostoma piceae
E53165
Ophiostoma piceae is a species of sap-staining fungus commonly associated with coniferous trees and known for causing blue stain in lumber.
All labels observed (1)
| Label | Occurrences |
|---|---|
| Ophiostoma piceae canonical | 1 |
How this entity was disambiguated
This entity first appeared as the object of triple T393444 — 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: Ophiostoma piceae Context triple: [Ophiostoma, hasSpecies, Ophiostoma piceae]
-
A.
Ophiostoma
Ophiostoma is a genus of fungi best known for containing species that cause Dutch elm disease in elm trees.
-
B.
Ophiostoma ulmi
Ophiostoma ulmi is a pathogenic fungus best known for causing the devastating tree epidemic known as Dutch elm disease.
-
C.
Ophiostoma himal-ulmi
Ophiostoma himal-ulmi is a species of fungus in the Ophiostoma genus, known for its association with tree diseases similar to Dutch elm disease.
-
D.
Ophiostoma novo-ulmi
Ophiostoma novo-ulmi is a highly virulent fungal pathogen responsible for the most destructive modern pandemic of Dutch elm disease in elm trees worldwide.
-
E.
Ophiostomataceae
Ophiostomataceae is a family of fungi that includes several important tree pathogens, notably species responsible for Dutch elm disease.
- 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: Ophiostoma piceae Target entity description: Ophiostoma piceae is a species of sap-staining fungus commonly associated with coniferous trees and known for causing blue stain in lumber.
-
A.
Ophiostoma
Ophiostoma is a genus of fungi best known for containing species that cause Dutch elm disease in elm trees.
-
B.
Ophiostoma ulmi
Ophiostoma ulmi is a pathogenic fungus best known for causing the devastating tree epidemic known as Dutch elm disease.
-
C.
Ophiostoma himal-ulmi
Ophiostoma himal-ulmi is a species of fungus in the Ophiostoma genus, known for its association with tree diseases similar to Dutch elm disease.
-
D.
Ophiostoma novo-ulmi
Ophiostoma novo-ulmi is a highly virulent fungal pathogen responsible for the most destructive modern pandemic of Dutch elm disease in elm trees worldwide.
-
E.
Ophiostomataceae
Ophiostomataceae is a family of fungi that includes several important tree pathogens, notably species responsible for Dutch elm disease.
- F. None of above. chosen
Statements (46)
| Predicate | Object |
|---|---|
| instanceOf |
fungus species
ⓘ
sap-staining fungus ⓘ saprobes ⓘ |
| affects | coniferous trees ⓘ |
| associatedWith |
sapwood of conifers
ⓘ
sawmill sapstain problems ⓘ softwood lumber ⓘ |
| causes | blue stain in lumber ⓘ |
| cellularTarget | parenchyma cells in sapwood ⓘ |
| class | Sordariomycetes ⓘ |
| colonizationStage | early colonizer of freshly felled wood ⓘ |
| controlMethods |
chemical wood preservatives
ⓘ
kiln drying of lumber ⓘ |
| doesNotTypicallyCause |
deep wood rot
ⓘ
structural decay of wood ⓘ |
| economicImpact | losses in lumber industry ⓘ |
| family | Ophiostomataceae ⓘ |
| foundOn |
fir wood
ⓘ
pine wood ⓘ spruce wood ⓘ |
| genus | Ophiostoma ⓘ |
| growsIn | sapwood ⓘ |
| growthRequirement |
high moisture wood
ⓘ
oxygenated sapwood ⓘ |
| habitat |
freshly cut logs
ⓘ
sawmill environments ⓘ |
| impact |
discoloration of timber
ⓘ
reduction of lumber value ⓘ |
| kingdom | Fungi ⓘ |
| knownFor |
blue-black discoloration of wood
ⓘ
causing sap stain in softwoods ⓘ |
| metabolism | saprotrophic ⓘ |
| occursIn |
boreal forests
ⓘ
temperate regions ⓘ |
| order | Ophiostomatales ⓘ |
| phylum | Ascomycota ⓘ |
| reproduction |
asexual spores
ⓘ
sexual spores ⓘ |
| sporeDispersal | insect-mediated ⓘ |
| sporeType | conidia ⓘ |
| stainColor | blue ⓘ |
| stainLocation | tracheids of sapwood ⓘ |
| substrate |
conifer logs
ⓘ
sawn timber ⓘ |
| transmittedBy |
bark beetles
ⓘ
wood-boring insects ⓘ |
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: Ophiostoma piceae Description of subject: Ophiostoma piceae is a species of sap-staining fungus commonly associated with coniferous trees and known for causing blue stain in lumber.
Referenced by (1)
Full triples — surface form annotated when it differs from this entity's canonical label.