Sigal, LL/ Taylor, OC 1979: Preliminary studies of the gross photosynthetic response of lichens to peroxyacetylnitrite fumigations. - The Bryologist82: 564-575. [RLL List # 105-77 / Rec.# 17295] Keywords: HYPOGYMNIA/ FUMIGATION/ PEROXYACETYLNITRITE/ PELTIGERA/ PARMELIA/ COLLEMA/ CALIFORNIA/ AIR POLLUTION
Abstract: 4 figures. 1 table. [Studies done on specimens of Collema nigrescens, Hypogymnia enteromorpha, Parmelia sulcata and Peltigera rufescens from the mountains near Los Angeles. "With the exception of C. nigrescens, laboratory results are generally consistent with unpublished observations of distribution and vitality of the species in the field."]
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