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The Melbourne Congress of 2011 authorized a Special Committee on Registration of Algal and Plant Names (including fossils), which was established the following year (Wilson in Taxon 61: 878–879. 2012). Its explicit mandate was “to consider what would be involved in registering algal and plant names (including fossils), using a procedure analogous to that for fungal names agreed upon in Melbourne and included in the Code as Art. 42”, but expectations at the Nomenclature Section in Melbourne went farther than that. There was the hope that registration systems for at least some of the main groups would soon be set up, to be used and tested on a voluntary basis and, if found to be generally accepted, would persuade the subsequent Congress in Shenzhen, in 2017, to declare registration of new names an additional requirement for valid publication. The Melbourne Congress also approved mandatory registration of nomenclatural novelties in fungi, starting on 1 Jan 2013. The new Art. 42 of the Code (McNeill & al. in Regnum Veg. 154. 2012) requires authors to register any fungal nomenclatural novelty, prior to publication, with a recognized repository, whereupon they are provided with a unique identifier for each name, to be included in the protologue along with other Code-mandated information. Years before registration became mandatory, mycologists had been encouraged, often prompted by journal editors, to register their nomenclatural novelties prior to publication. Most complied. Consequently, when mandatory registration was proposed, it had strong support from the mycological community. There are currently three recognized repositories for fungal names. They vary somewhat in how they operate, but they share records of their registered novelties as soon as publication has been effected. One consequence of implementing mandatory registration is that locating new fungal names and combinations and associated protologue information is much simpler now than it was before. This makes it easier to incorporate the information into taxonomic studies and to update taxonomic treatments, inventories, and indices. A corollary is that, no matter what publication outlet an author chooses, the name cannot fail to be noticed. The positive experience in mycology makes extension of the registration concept to plants and algae a compelling idea. That experience shows that the best way to make mandatory registration of nomenclatural novelties palatable to botanists and phycologists is the establishment of trial registration at repositories with a history of involvement in and commitment to the indexing of names. Trial registration enables users to acquaint themselves with registration procedures, make suggestions on how they might be improved, and appreciate, by personal experience, the benefits of registration. Unfortunately, the task of establishing such repositories proved to be more complex and time-consuming than had been foreseen. Substantial progress has been made in the establishment of such centres (Barkworth & al., in this issue, pp. 670–672) but the Committee is not in a position to make firm proposals to regulate registration procedures, even less to make registration mandatory from a concrete future date. Nevertheless, the Committee sees it as imperative that the Shenzhen Congress be offered the opportunity to move forward with registration without having to wait six more years. In this spirit, we offer the proposals below. Proposal (276) would declare registration an ongoing concern of the botanical, mycological, and phycological community and provide the basic structure for making it possible. Proposal (277) and Prop. (278) would, in addition, define a flexible framework within which a system of voluntary registration could be developed for various categories of organisms. Proposal (279) would provide for future mandatory registration in a way that does not depend on the six-year intervals between International Botanical Congresses. Presentation of each proposal is followed by a summary of the support received from members of the Committee. Fil: Barkworth, Mary E.. State University of Utah; Estados Unidos Fil: Watson, Mark. Royal Botanic Gardens; Reino Unido Fil: Barrie, Fred R.. Missouri Botanical Garden; Estados Unidos. Field Museum Of Natural History; Estados Unidos Fil: Belyaeva, Irina V.. Royal Botanic Gardens; Reino Unido Fil: Chung, Richard C. K.. Forest Research Institute ; Malasia Fil: Dasková, Jirina. Národní Muzeum; República Checa Fil: Davidse, Gerrit. Missouri Botanical Garden; Estados Unidos Fil: Dönmez, Ali A.. Hacettepe Üniversitesi; Turquía Fil: Doweld, Alexander B.. National Institute Of Carpology; Rusia Fil: Dressler, Stefan. Senckenberg Forschungsinstitut Und Naturmuseum; Alemania Fil: Flann, Christina. Naturalis Biodiversity Center; Países Bajos Fil: Gandhi, Kanchi. Harvard University; Estados Unidos Fil: Geltman, Dmitry. Russian Academy of Science; Rusia Fil: Glen, Hugh F.. Forest Hills; Sudáfrica Fil: Greuter, Werner. Freie Universität Berlin; Alemania Fil: Head, Martin J.. Brock University; Canadá Fil: Jahn, Regine. Freie Universität Berlin; Alemania Fil: Janarthanam, Malapati K.. Goa University; India Fil: Katinas, Liliana. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División de Plantas Vasculares; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas. Centro Científico Tecnológico Conicet - La Plata; Argentina Fil: Kirk, Paul M.. Royal Botanic Gardens; Reino Unido Fil: Klazenga, Niels. Royal Botanic Gardens Victoria; Australia Fil: Kusber, Wolf-Henning. Freie Universität Berlin; Alemania Fil: Kvacek, Jirí. Národní Muzeum; República Checa Fil: Malécot, Valéry. Universite D'angers; Francia Fil: Mann, David G.. Royal Botanic Gardens; Reino Unido Fil: Marhold, Karol. Charles University; República Checa Fil: Nagamasu, Hidetoshi. Kyoto University; Japón Fil: Nicolson, Nicky. Royal Botanic Gardens; Reino Unido Fil: Paton, Alan. Royal Botanic Gardens; Reino Unido Fil: Patterson, David J.. The University Of Sydney; Australia Fil: Price, Michelle J.. Conservatoire et Jardin botaniques de la Ville de Genève; Suiza Fil: van Reine, Willem F Prud' Homme. Naturalis Biodiversity Center; Países Bajos Fil: Schneider, Craig W.. Trinity College Hartford; Estados Unidos Fil: Sennikov, Alexander. Russian Academy Of Sciences; Rusia Fil: Smith, Gideon F.. Nelson Mandela Metropolitan University; Sudáfrica. Universidad de Coimbra; Portugal Fil: Stevens, Peter F.. Missouri Botanical Garden; Estados Unidos. University of Missouri; Estados Unidos Fil: Yang, Zhu-Liang. Kunming Institute Of Botany Chinese Academy Of Sciences; China Fil: Zhang, Xian-Chun. Chinese Academy of Sciences; República de China Fil: Zuccarello, Giuseppe C.. Victoria University Of Wellington; Nueva Zelanda

The Special Committee on Registration of Algal and Plant Names (including fossils) was established at the XVIII International Botanical Congress (IBC) in Melbourne in 2011, its mandate being to consider what would be involved in registering algal and plant names (including fossils), using a procedure analogous to that for fungal names agreed upon in Melbourne and included as Art. 42 in the International Code of Nomenclature for algae, fungi, and plants. Because experience with voluntary registration was key to persuading mycologists of the advantages of mandatory registration, we began by asking institutions with a history of nomenclatural indexing to develop mechanisms that would permit registration. The task proved more difficult than anticipated, but considerable progress has been made, as is described in this report. It also became evident that the Nomenclature Section needs a structure that will allow ongoing discussion of registration and associated issues. Simultaneously with this report we are submitting four proposals that would provide such a structure. Fil: Barkworth, Mary E.. State University of Utah; Estados Unidos Fil: Watson, Mark. Royal Botanic Gardens; Reino Unido Fil: Barrie, Fred R.. Field Museum of National History; Estados Unidos Fil: Belyaeva, Irina V.. Royal Botanic Gardens; Reino Unido Fil: Chung, Richard C. K.. Forest Research Institute Malaysia; Malasia Fil: Dašková, Jiřina. National Museum; República Checa Fil: Davidse, Gerrit. Missouri Botanical Garden; Estados Unidos Fil: Dönmez, Ali A.. Hacettepe Üniversitesi; Turquía Fil: Alexander B. Doweld. National Institute of Carpology; Rusia Fil: Dressler, Stefan. Senckenberg Forschungsinstitut und Naturmuseum; Alemania Fil: Flann, Christina. Naturalis Biodiversity Center; Países Bajos Fil: Gandhi, Kanchi. Harvard University; Estados Unidos Fil: Geltman, Dmitry. Institute of the Russian Academy of Sciences; Rusia Fil: Glen, Hugh F.. Forest Hills; Sudáfrica Fil: Greuter, Werner. Freie Universität Berlin; Alemania Fil: Head, Martin J.. Brock University; Canadá Fil: Jahn, Regine. Freie Universität Berlin; Alemania Fil: Janarthanam, Malapati K.. Goa University; India Fil: Katinas, Liliana. Universidad Nacional de La Plata. Facultad de Ciencias Naturales y Museo. División de Plantas Vasculares; Argentina. Consejo Nacional de Investigaciones Científicas y Técnicas; Argentina Fil: Kirk, Paul M.. Royal Botanic Gardens; Reino Unido Fil: Klazenga, Niels. Royal Botanic Gardens; Australia Fil: Kusber, Wolf Henning. Freie Universität Berlin; Alemania Fil: Kvaček, Jiří. National Museum; República Checa Fil: Malécot, Valéry. Université d’Angers; Francia Fil: Mann, David G.. Royal Botanic Gardens; Reino Unido. Institute for Food and Agricultural Research and Technology; España Fil: Marhold, Karol. Charles University; República Checa Fil: Nagamasu, Hidetoshi. Kyoto University; Japón Fil: Nicolson, Nicky. Royal Botanic Gardens; Reino Unido Fil: Paton, Alan. Royal Botanic Gardens; Reino Unido Fil: Patterson, David J.. University of Sydney; Australia Fil: Price, Michelle J.. Conservatoire et Jardin botaniques de la Ville de Genève; Italia Fil: Prud'homme van Reine, Willem F.. Naturalis Biodiversity Center; Países Bajos Fil: Schneider, Craig W.. Trinity College; Estados Unidos Fil: Sennikov, Alexander. University of Helsinski; Finlandia Fil: Smith, Gideon F.. Nelson Mandela Metropolitan University; Sudáfrica Fil: Stevens, Peter F.. Missouri Botanical Garden; Estados Unidos. University of Missouri-St; Estados Unidos Fil: Yang, Zhu-Liang. Chinese Academy of Sciences; República de China Fil: Zhang, Xian-Chun. Chinese Academy of Sciences; República de China Fil: Zuccarello, Giuseppe C.. Victoria University of Wellington; Nueva Zelanda

Niu-chang-chih, a medicinal polypore restricted to Taiwan on the endemic tree species Cinnamomum kanehirae, currently goes by the names Antrodia cinnamomea T.T. Chang &W.N. Chou, A. camphorata (M. Zang & C.H. Su) Sheng H. Wu & al., and Taiwanofungus camphoratus (M. Zang & C.H. Su) Sheng H. Wu & al., the latter two based on Ganoderma camphoratum M. Zang & C.H. Su. The basidiocarps on the holotypes for the two basionyms Antrodia cinnamomea and Ganoderma camphoratum are of niu-chang-chih. The first validly published name that was applied to this species was G. camphoratum M. Zang & C.H. Su published in 1990. However, the original type of G. camphoratum consisted of mixed material, consisting chiefly of a basidiocarp of niu-chang-chih but also of the spores of another unrelated fungus. The two elements are represented in the original description and accompanying illustrations. Later Chang & Chou (2004) lectotypifed G. camphoratum limiting it to the spores described and illustrated by Zang and Su, the only portion of the original type that Chang and Chou believed to belong in Ganoderma, and applied the name Antrodia cinnamomea Chang & Chou (1995) to niu-chang-chih. Many, however, reject Chang and Chou's conclusions and continue to apply the name Ganoderma camphoratum, and combinations based on it (i.e., Antrodia camphoratum,Taiwanofungus camphoratus), to niu-chang-chih, relegating Antrodia cinnamomea to synonymy. Based on careful examination of the type of G. camphoratum, it is concluded that the spores upon which Chang and Chou's lectotype is based are a minor admixture with the original gathering of the niu-chang-chih specimen and thus cannot serve as the lectotype for the name Ganoderma camphoratum. Ganoderma camphoratum is lectotypified here so as to exclude the spores present in the original holotype that are not from niu-chang-chih. Furthermore, since this conclusion could be subject to challenge and the species is exceptionally important medicinally and economically, we also propose to conserve the name with a conserved type that is consistent with the lectotype effected herein. An overview of the taxonomy of niu-chang-chih is also provided and a new combination, Taiwanofungus salmoneus, for a related species is effected.

Prepared and edited by W. Greuter, G. Garrity, D.L. Hawksworth, R. Jahn, P. Kirk, S. Knapp, J. McNeill, E. Michel, D.J. Patterson, R. Pyle & B.J. Tindall on behalf of the IUBS/IUMS International Committee for Bionomenclature (ICB). Herbarium Mediterraneum, c/o Orto Botanico, Via Lincoln 2/A, I-90123 Palermo, Italy; and Botanischer Garten & Botanisches Museum Berlin-Dahlem, Free University of Berlin, Konigin-Luise-Str. 6–8, D-14195 Berlin, Germany (e-mail: w.greuter@bgbm.org) 6162 Biomedical & Physical Sciences Bldg., Michigan State University, East Lansing, MI 48824–4320, U.S.A. (e-mail: garrity@msu.edu) Departamento de Biologia Vegetal II, Facultad de Farmacia, Universidad Complutense de Madrid, Plaza Ramon y Cajal, Madrid 28040, Spain and Department of Botany, Natural History Museum, Cromwell Road, London SW7 5BD,U.K. (e-mail: d.hawksworth@nhm.ac.uk) Botanischer Garten & Botanisches Museum Berlin-Dahlem, Free University of Berlin, Konigin-Luise-Str. 6–8, D-14195 Berlin, Germany (e-mail: r.jahn@bgbm.org) CAB International, Bakeham Lane, Egham, Surrey TW20 9TY, U.K. (e-mail: p.kirk@cabi.org) Department of Botany, Natural History Museum, Cromwell Road, London SW7 5BD, U.K. (e-mail: s.knapp@nhm.ac.uk) Royal Botanic Garden, 20A Inverleith Row, Edinburgh, EH3 5LR, Scotland, U.K. (e-mail: j.mcneill@rbge.ac.uk) ICZN Secretariat, Natural History Museum, Cromwell Road, London SW7 5BD, U.K. (e-mail: iczn-em@nhm.ac.uk) Biodiversity Informatics, Marine Biological Laboratory, Woods Hole, MA 02543, U.S.A. (e-mail: dpatterson@mbl.edu) Department of Natural Sciences, Bishop Museum, 1525 Bernice St., Honolulu, HI 96817, U.S.A. (e-mail: deepreef@bishopmuseum.org) Deutsche Sammlung von Mikroorganismen und Zellkulturen GmbH, Mascheroder Weg 1b, D-38124 Braunschweig, Germany (e-mail: bti@dsmz.de)

1 National Mycological Herbarium, Eastern Cereal and Oilseed Research Centre, Agriculture and Agri-Food Canada, C.E.F., Ottawa, Ontario, Canada K1A 0C6. redheads@agr.gc.ca (author for correspondence) 2 CABI Europe – UK (Egham), Bakeham Lane, Egham, TW209TY, U.K. 3 Canadian Institute for Advanced Research, Department of Botany, University of British Columbia, 3529–6270 University Boulevard, Vancouver, British Columbia, Canada V6T 1Z4 4 Albert Einstein College of Medicine, Jack and Pearl Resnick Campus, 1300 Morris Park Avenue, Forchheimer Building, Room 504, Bronx, New York 10461, U.S.A.