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The correct date and place of publication of the ten new generic names employed by Acharius in the Lichenographia Universalis

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Clarification in the Tokyo Code of the authorship of names appearing in the work of another allowed exemplification in the Vienna Code that it is the acceptance by the author of the name and not that by the publishing author that is critical for valid publication. This permits resolution of a long-standing uncertainty as to whether generic names published in Acharius's Lichenographia Universalis of 1810 were or were not first introduced in Luyken's Tentamen Historiae Lichenum of 1809. In that work, Luyken reproduced diagnoses of Acharius's new genera while the Lichenographia was still in press, and 5–6 months before Acharius's work was published. However, as Luyken did not accept the new genera in his final classification some workers had considered the names not validly published under Art. 34 of the Code. Now, following the Vienna Code, we conclude that these names were validly published in 1809 and must be attributed to "Ach., in Luyken". The correct place and date of publication of the ten generic names involved is presented along with notes on their nomenclatural status; these include the well-known genera Alectoria, Evernia, Lecanora, Nephroma, and Ramalina.
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Document Type: Research Article

Affiliations: 1: The Yellow House, Calle Aguila 12, Colonia La Maliciosa, Mataelpino, Madrid 28492, Spain 2: Royal Horticultural Society, Wisley, Woking, Surrey GU23 6QB, U.K. 3: Botanical Museum, P.O. Box 7, 00014 Helsinki University, Finland 4: Royal Botanic Garden, 20A. Inverleith Row, Edinburgh EH3 5LR, U.K.

Publication date: 2007-05-01

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