This group consists of a single field which indicates the basis of the
record being interchanged.
TDWG Short name: RECSOURCE, NATOBJECT
Description: A code indication of the type of item to which the
record refers.
Relevant standards: ABIS
Domain/Range/Values: Alphabetic; as defined below:
| Values in Field | Meaning |
| Collection | Plant specimen |
| Electronic | Electronic record only, specimen no longer available |
| Literature | Reference |
| Observation | Observation, including photograph of plant, but not of specimen |
| Photograph | Photograph of specimen |
Comments: The default should be 'Collection' for a
specimenbased record. In the absence of any other value, a specimenbased record is
assumed.
The values 'Observation' and 'Literature' may be used when
the presence of a taxon is solely based on an observation or a published reference to an
herbarium specimen held in another institution (respectively). The value 'Electronic'
is used when the presence of a taxon is solely based on an electronic record of an
herbarium specimen which is no longer available.