Sancho, LG/ Pintado, A/ Green, TGA/ Pannewitz, S/ Schroeter, B 2003: Photosynthetic and morphological variation within and among populations of the Antarctic lichen Umbilicaria aprina: implications of the thallus size. - In: Jensen, M (ed.): Lichenological Contributions in Honour of G.B. Feige. . Bibliotheca Lichenologica, J. Cramer, Berlin, Stuttgart pp. 299-311. [RLL List # 191 / Rec.# 24311] Keywords: ANTARCTIC/ LIGHT/ PHOTOSYNTHESIS/ PHOTOSYNTHESIS RATES/ SIZE/ UMBILICARIA
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