EcologyandEvolution.doc

Ecology and Evolution SUPPORTING INFORMATION Integrating biogeography, phylogeny and threat data to explore extinction crisis in the taxonomic group of cycads Kowiyou Yessoufou1, Barnabas H. Daru2, Respina Tafirei3, Hosam O. Elansary4,5, and Isaac Rampedi3 1Department of Environmental Sciences, University of South Africa, Florida campus, Florida 1710, South Africa 2Department of Plant Sciences, University of Pretoria, Pretoria, South Africa 3Department of Geography and Built Environment, University of Johannesburg, APK campus, Johannesburg, South Africa 4Department of Floriculture, Ornamental Horticulture and Garden Design, Alexandria University, Alexandria, Egypt 5Biodiversity Institute of Ontario, University of Guelph, ON N1G 2W1, Canada Table S1 EDGE and ED scores of all cycad species with their geographical distribution parameters. Species are listed in decreasing order of EDGE values. Geographical parameters are spatial distribution range and altitude. Global endangerment was measured following IUCN threat categories: LC, least Concern; NT, Near Threatened; VU, Vulnerable; EN, Endangered and CR, Critically Endangered, DD, Data Deficient. NA, data non available. Ranking Species Global Endangerment ED scores (MY) EDGE scores Range (km2) Minimum altitude (m above sea level) Maximum altitude (m above sea level) 1 Microcycas calocama CR 987.375371 NA NA NA 2 Chigua bernalii CR 927.313527 NA NA NA 3 Zamia vazquezii CR 666.990938 NA NA NA 4 Encephalartos dyerianus CR 476.647736 0.3 NA 700 5 Encephalartos inopinus CR 466.62839 NA 600 800 6 Zamia macrochiera CR 456.606449 NA NA NA 7 Ceratozamia zoquorum CR 446.586686 40 NA NA 8 Cycas szechuanensis CR 426.542996 NA NA NA 9 Zamia spartea CR 416.529651 1235 NA NA 10 Ceratozamia chimalapensis CR 396.475023 NA NA NA 11 Ceratozamia fuscoviridis CR 396.462327 NA NA NA 12 Ceratozamia huastercorum CR