Data from: Loss of fungal symbionts at the arid limit of the distribution range in a native Patagonian grass – resource ecophysiological relations

Cecilia Casas, Pedro E. Gundel, Eluney Deliens, Leopoldo J. Iannone, Guillermo García Martinez, María V. Vignale & Hans Schnyder
1. Crucial to our understanding of plant ecology is the consideration of the eco-physiological responses and constraints of plant-fungal symbioses throughout the native distribution range of their host. 2. We examined key eco-physiological roles of two co-occurring fungal symbionts [Epichloë endophytes and arbuscular mycorrhizal fungi (AMF)] in the endemic grass Hordeum comosum across a wide bioclimatic gradient and contrasting grazing severity. We sampled H. comosum plants along four humid-to-arid transects in Patagonia, Argentina, covering its...
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