ODM2 MethodType Controlled Vocabulary ODM2 Working Group A vocabulary for describing types of Methods associated with creating observations. MethodTypes correspond with ActionTypes in ODM2. An Action must be performed using an appropriate MethodType - e.g., a specimen collection Action should be associated with a specimen collection method. Specimen preservation A method for preserving a specimen either in the field or in a laboratory prior to ex situ analysis. SamplingFeature