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Journals and Conferences
The genus Ctenium Panzer includes c. 20 species from tropical Africa and the Neotropics. A survey of the African species was carried out, based mainly on the study of herbarium material, and resulted in the confirmation of eight species: C. canescens Benth., C. concinnum Nees, C. elegans Kunth, C. ledermannii Pilg., C. longiglume Longhi-Wagner & Cope, C.… (More)
We present the case of an ultra-marathon runner who developed a painful irritated eye due to prolonged exposure to high wind speed and sub-zero temperatures causing transient freezing and subsequent abrasion of the cornea. We recommend that all ultra-marathon runners racing in windy or exposed conditions should wear wrap-around eye protection or goggles. If… (More)