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Distribution Database
> Cirsium arvense x heterophyllum distribution map (BSBI)
Tools
Checklists
Grid reference lookup
Taxon list for a grid-square
Data validation
Taxon name lookup and validation
Name formatting (people and organisations)
Grid-reference validation
Date validation
Taxon distribution validator
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Party (recorder/collector/author etc.)
Record (observation or specimen)
Locality (named site)
Data set (herbarium, collection or other collation)
Publication (book, periodical etc.)
Reference (a reference to a publicaton or other source)
Checklist or attribute set
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