(004) Proposal to recommend citation of herbarium serial numbers of type specimens.

The article reports on the proposal that recommends citation of herbarium serial numbers of type specimens. It is stated that herbarium serial number of a specimen is important in managing a herbarium. The herbarium serial number refers to a single sheet of a gathering in a given herbarium. The use of the serial number of the specimen may clarify confusion related to a mixed collection when more than one specimen is labeled as the same collection number.