---+++ AbcdConcept0663 ---+++++ Identifier DataSets/DataSet/Units/Unit/ObservationUnit/ObservationUnitIdentifiers/ObservationUnitIdentifier ---+++++ Group Meta ---+++++ Subgroup Identifiers ---+++++ Full Name ---+++++ Documentation Numbers or other registration mark associated with an observation record. ---+++++ Content Numbers or other registration mark associated with an observation record. There is an attibute @Preferred. This is separated from the equivalent AccessionNumber used for specimen collections because of the more standardised approaches taken in physical collections. Collection type and/or taxonomic domain-specific schema extensions (subtypes of the Unit). ---++++ Recommended or Prescribed Values ---+++++ Example Value field observer numbers grid cell numbers ---+++++ Example Explanation ---+++++ Reviewer ---++++ Editorial Notes