Media type: E-Article Title: Growth and Plant Nutrient Concentration in Hylocomium Proliferum (L.) Lindb. in Relation to Tree Canopy Contributor: Tamm, Carl Olof imprint: JSTOR, 1950 Published in: Oikos Language: Not determined DOI: 10.2307/3564662 ISSN: 0030-1299 Keywords: Ecology, Evolution, Behavior and Systematics Origination: Footnote: