You are here

Featured Resource

The Central Role of Taxonomy in the Study of Neotropical Biodiversity

The Neotropics are the most species-rich area of the planet. Understanding the origin and maintenance of this diversity is an important goal of ecology and evolutionary biology. Success in this endeavor relies heavily on the past work of taxonomists...

Resource
10/6/20
An algorithm competition for automatic species identification from herbarium specimens

Plant biodiversity is threatened, yet many species remain undescribed. It is estimated that >50% of undescribed species have already been collected and are awaiting discovery in herbaria. Robust automatic species identification algorithms using...

Resource
7/6/20
Writing Plant Names

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

Resource
6/11/20
Magnolia Cultivars Checklist - REVISED AND UPDATED

The Checklist is a listing of published names of cultivated magnolias in PDF format.  This new listing is the result of years of effort by Magnolia Society International (MSI) member volunteers. This document serves as a checklist of Magnolia cultivars...

Resource
4/20/20
Cyanea kuhihewa: Rediscovering one of Hawai'i's rarest trees

With 90% of its nearly 1,400 native plants classified as endemic, Hawai'i has one of the highest levels of endemism of any floristic region of the world. Although Cyanea is one of the most species-rich flowering plant genera in Hawai'i, nearly half of...

Resource
2/25/20
Guidelines for Listing, Categorizing and Sharing Information on Plant Taxa Spreading from Cultivation at Public Gardens in North America

The purpose of these guidelines is to provide a consistent methodology for public garden staff to develop and categorize a list of cultivated taxa observed escaping from their locations of cultivation. The recommendations are meant to guide public...

Resource
1/23/20
Bartlett: Mulch Application Guidelines

Mulches provide many benefits for trees and shrubs. Properly applied mulch will moderate soil temperatures, reduce soil moisture loss, reduce soil compaction, provide nutrients, improve soil structure, foster beneficial microbial communities, and keep...

Resource
10/15/19
Distributions and Conservation Status of Carrot Wild Relatives in Tunisia: A Case Study in the Western Mediterranean Basin

Crop wild relatives, the wild progenitors and closely related cousins of cultivated plant
species, are sources of valuable genetic resources for crop improvement. Persisting gaps
in knowledge of taxonomy, distributions, and...

Resource
10/2/19
ASSESSMENT OF THE HAMAMELIDACEAE IN GLOBAL LIVING COLLECTIONS

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...

Resource
9/13/19

Pages