Unknown]]> Celmisia semicordata Petrie was collected by him on Mt Savage, Humboldt Mountains, on the West Coast of the South Island in 1968.]]> Professor Sir Alan Mark]]> Above the Treeline (2012), reflects both his passion and scholasticism. And like many of his colleagues, he enjoys field-work.]]> Alan F. Mark]]> Celmisia markii, was found by Emeritus Professor Sir Alan Mark in January 1969 and is named after him: ‘its discoverer, in recognition of his contribution to our understanding and appreciation of alpine ecology in the southern South Island’ (Lee and Given, 1984). Celmisia markii is a mountain daisy in the aster (asteraceae) family and grows above the treeline in alpine areas. The white flowers of this perennial appear between December and January; it is not a common plant.]]> Professor Sir Alan Mark]]>