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A new species of Arthonia is a pest in an orchid nursery

Published online by Cambridge University Press:  05 April 2011

ABL Herbarium, Gerrit van der Veenstraat 107, NL-3762 XK Soest, The Netherlands. Email:


The lichen Arthonia orchidicida is described as new to science from the leaves of orchids in a nursery. It is a pest organism, as it is affecting the habitus of the plants and diminishing the vitality of small plants. No prophylax is known and the lichen has to be regularly removed by rubbing it off manually. It is the first lichen reported to cause economic damage. It occurs in the Netherlands, but its country of origin is unknown.

Research Article
Copyright © British Lichen Society 2011

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