This is a guide to writing plant names developed for use at The Arboretum at Penn State.

The Hamamelidaceae has genera with named cultivars, but only one cultivar registration authority for the genus Hamamelis. Choosing the Hamamelidaceae as the focus of this project provides missing information for members of this ornamentally valuable...

The Systematics Collections Committee of the American Society of Plant Taxonomists has updated the recommendations on herbarium practices and ethics that were previously published by the Society in 1958 and 1973. The recommendations and considerations...

The University of British Columbia Botanical Garden compiled a spreadsheet of Collectors' references and expedition abbreviations with associated information that were gathered from various sources (mostly online resources). The spreadsheet is shared...

Ulmus americana (American elm) was an important urban tree in North America prior to the introduction of the Dutch elm disease pathogen in 1930. Subsequently, urban and community forests were devastated by the loss of large canopies. Tree improvement...

Access and benefit-sharing (ABS) refers to the way in which genetic resources
may be accessed, and how the benefits that result from their use are shared
between the people or countries using the resources (users) and the people or...

The Standards of Excellence in Plant Collections Management developed by the Plant...

 A companion Self-Assessment Tool is now available to help you evaluate your organization’s current level of collections management. Use the results along with the...

Botanic gardens are living museums, offering opportunities for conservation and research as well as education, experience, and enjoyment through their plant collections. A garden’s plant records system is as vital as the plants themselves, and serves...

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...

For the first time, this peer-reviewed report presents the most up-to-date data on the status of plants on the New England landscape. The data discerns increases and declines in both rare and common species across all six states (encompassing 186,400...

Last year's State of the World’s Plants report focused predominantly on synthesising knowledge of the numbers of different categories of plants: How many vascular plants are currently known to science? How many are threatened with extinction? What is...