CSSA VOL.89, March-April 2017 No.2 The Crassulaceae of Cusco Peru part I: subfamily Echeverioideae Guillermo Pino, Washington Galiano, Percy Nuñez Vargas & Ben Kamm Pushing the limits: landscaping with cacti and succulents in cold climates #23 Leo Chance Hiking & Cacti searching for Escobaria duncanii (Nester) Backeberg Gisele & Gerhard Boehme Euphorbia radians (Euphorbiaceae) a new record from Veracruz, Mexico Miguel Chazaro Knowing more about Talinopsis frutescens (arroyo fameflower) a North American endemic succulent species Monica I, Miguel-Vázquez & Gilberto Ocampo On the cover: The presence of ferns and lichen in the image of Echeveria laresensis taken by Ben Kamm gives an indication of the humidity present in the local climate the plant is growing in. It is one of the new species described in the article in this Journal which grow near Cusco, home of the famous Inca citadel of Macchu Pichu.