Acknowledgments
The authors gratefully acknowledge the support of the following people who facilitated completion of the project by providing access to collections, technical advice, or technical support:
- Kim Bowman (USDA-ARS, US Horticultural Research Laboratory)
- John daGraca (Citrus Center and Weslaco Center, Texas A&M; University-Kingsville, Texas A&M; University)
- Barbara Donarski (Florida Department of Agriculture & Consumer Services, Division of Plant Industry, Bureau of Citrus Budwood Registration)
- Beth Grafton-Cardwell (University of California Lindcove Research & Extension Center)
- Jude Grosser (University of Florida, Citrus Research & Education Center)
- Therese Kapaun (University of California Lindcove Research & Extension Center)
- David Karp (University of California-Riverside, Citrus Variety Collection)
- Mike Kesinger (Florida Department of Agriculture & Consumer Services, Division of Plant Industry, Bureau of Citrus Budwood Registration)
- Robert Krueger (USDA-ARS, National Clonal Germplasm Repository for Citrus & Dates)
- Richard Lee (USDA-ARS, National Clonal Germplasm Repository for Citrus & Dates)
- Ben Rosson (Florida Department of Agriculture & Consumer Services, Division of Plant Industry, Chiefland Budwood Foundation Facility)
- Phillip Rucks (Phillip Rucks Citrus Nursery, Inc.)
- Julian Sauls (Texas Agrilife Extension Service, Texas A & M University)
- Toni Siebert (University of California-Riverside, Citrus Variety Collection)
- Larry Stein (Texas Agrilife Extension Service, Texas A & M University)
- Matt Taylor (University of Queensland, Centre for Biological Information Technology)
- Terrence Walters (USDA-APHIS-PPQ-CPHST)
- John Watson (Citrus Center and Weslaco Center, Texas A & M University-Kingsville and Texas A & M University)
- Glenn Wright (University of Arizona)
Select images were provided courtesy of:
- California Citrus Clonal Protection Program
- Image Archive of Central Texas Plants (Zanthoxylum hirsutum; University of Texas, Austin)
- Kentucky Native Plants Society (Zanthoxylum americanum; scan of public domain image from Britton & Brown 1913)
- Keystone Foundation (Atalantia monophylla; Flora of the Nilgiris)
- I. Maguire (Casimiroa edulis; University of Florida/IFAS/TREC)
- R.H. Mohlenbrock (Zanthoxylum clava-herculis)
- WingkLEE (Clausena lansium)
- R.P. Wunderlin and B.F. Hansen (Amyris balsamifera; Atlas of Florida Vascular Plants)
William Castle (University of Florida) and Robert Krueger (USDA) kindly provided external peer-review of a beta version of this tool.
This project was funded through a cooperative agreement over the period Mar 2010-Jun 2011 between USDA-APHIS-PPQ-CPHST and North Carolina State University (A. Krings, PI).
