This handbook provides guidelines for the maintenance of standardized plant records at Welkinweir. It includes an overview of Welkinweir's plant records system and outlines how to assign accession numbers and qualifiers to plant specimens, record accessions information in the plant records logbook, and create entries in BG-Base, Welkinweir's electronic collections management database. Additionally, this handbook provides information on how to label plants at Welkinweir. Content, formatting, and installation guidelines are addressed for both accession and display labels; several labeling diagrams have been included as helpful visual aids.