1. photo- Kasia Stepien Distributions and Conservation Concerns for Crop Wild Relatives of the United States ASA, CSSA & SSSA International Annual Meetings, November 6, 2013, Tampa, FL Colin K. Khoury, Stephanie Greene, John Wiersema, Nora P. Castañeda-Álvarez, Chrystian C. Sosa, Vivian Bernau, Harold A. Achicanoy, Alex Castañeda, Larry Stritch, Jan Schultz, Karen Williams, Andy Jarvis, and Paul C. Struik

2. photo- Kasia Stepien CWR are valuable Western corn rootworm resistance from Eastern gamagrass (Tripsacum dactyloides). Prischmann et al. (2008) http://naldc.nal.usda.gov/download/29879/PDF. (Image by Henry Domke)http://naldc.nal.usda.gov/download/29879/PDF Salinity tolerance from Pecos sunflower (Helianthus paradoxus). Miller and Seiler (2003) https://www.crops.org/publications/cs/articles/43/6/2313. (Image by J.N. Stewart)https://www.crops.org/publications/cs/articles/43/6/2313

3. photo- Kasia Stepien CWR are threatened Wild Pecos sunflower Helianthus paradoxus (Image by J.N. Stewart) Wild squash Cucurbita okeechobeensis subsp. okeechobeensis (Image by USFWS) Scrub plum Prunus geniculata (Image by USFWS) Texas wild rice Zizania texana (Image by USFWS) Source: http://www.fws.gov/endangered/species/us-species.html

4. photo- Kasia Stepien Why aren’t CWR better conserved? Photo: NOAA 2013

5. photo- Kasia Stepien National inventory 4,600 taxa Collaborative process and peer reviewed CWR related to major crops prioritized, along with US iconic wild crops 273 closely related, native taxa related to 38 crops = Priority 1A. Khoury et al (2013) An Inventory of Crop Wild Relatives of the United States. Crop Sci. 53(4): 1496. https://www.crops.org/publications/cs/articles/53/4/1496

6. photo- Kasia Stepien Priority 1A crop wild relatives

7. photo- Kasia Stepien 7 Occurrence data 62,000 records, 38,000 with coordinates Info on methods: Ramírez-Villegas et al (2010) A Gap Analysis Methodology for Collecting Crop Genepools: A Case Study with Phaseolus Beans. PLoS ONE 5(10): e13497. doi:10.1371/journal.pone.0013497. http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0013497http://www.plosone.org/article/info%3Adoi%2F10.1371%2Fjournal.pone.0013497

8. photo- Kasia Stepien Species distribution models

9. photo- Kasia Stepien Species richness per crop genepool

10. photo- Kasia Stepien Species richness for US priority CWR

11. photo- Kasia Stepien Results: collecting priorities

12. photo- Kasia Stepien Collecting gap distribution models

13. photo- Kasia Stepien Collecting gap hotspots for high priority species

14. photo- Kasia Stepien Species richness for US priority CWR

15. photo- Kasia Stepien 219 species of high priority for collecting Related to 36 crops Collecting gaps in all 50 states + D.C.! Collecting priorities Number of high priority species for collecting, per state

16. photo- Kasia Stepien US a priority in the global context

17. photo- Kasia Stepien CWR conservation in action Monongahela National Forest, WV George Washington National Forest, VA http://www.fs.fed.us/wildflowers/news/cranberry/index.shtml Info: Wild cranberry Vaccinium macrocarpon

18. photo- Kasia Stepien We acknowledge with thanks, the contribution of the project "Adapting Agriculture to Climate Change: Collecting, Protecting and Preparing Crop Wild Relatives" managed by the Global Crop Diversity Trust with the Millennium Seed Bank of the Royal Botanic Gardens, Kew, in making data, methods and expertise available for this work. http://cwroftheus.wordpress.com/ www.cwrdiversity.org Colin Khoury CIAT c.khoury@cgiar.orgc.khoury@cgiar.org Stephanie Greene, ARS Stephanie.Greene@ars.usda.govStephanie.Greene@ars.usda.gov Larry Stritch, USFS lstritch@fs.fed.uslstritch@fs.fed.us Thank you!