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PROVANCHERIA Mémoire De L’Herbier Louis-Marie No 30 PROVANCHERIA Mémoire de l’Herbier Louis-Marie No 30 CATALOGUE DES BRYOPHYTES DU QUÉBEC ET DU LABRADOR Jean Faubert 2007 PROVANCHERIA Mémoire de l’Herbier Louis-Marie Université Laval ISSN 0556-2015 Rédacteur Serge PAYETTE, Conservateur de l’Herbier Louis-Marie Courriel : [email protected] Secrétaire de rédaction Sylvie M. FISET, Herbier Louis-Marie Courriel : [email protected] Téléphone : 418.656.2544 Télécopieur : 418.656.7176 Adresse Herbier Louis-Marie, Pavillon C.-E.-Marchand, 1030 av. de la Médecine, Université Laval, Québec, Canada, G1V OA6 Provancheria, créé en 1966 et dédié à la mémoire de l’Abbé Léon Provancher (1820- 1892), est une série de mémoires paraissant irrégulièrement et consacrés principalement à la floristique, la phytogéographie et la systématique des végétaux. Cette série de mémoires a pour but de permettre la publication de travaux floristiques sur l’est et le nord du Canada, notamment ceux consacrés aux flores régionales dont l’ampleur empêche leur parution dans les périodiques courants. Provancheria veut ainsi mettre à la disposition des phytogéographes et des taxonomistes intéressés à la flore canadienne des données qui autrement devraient rester inédites. Provancheria est principalement distribué en échange de publications similaires. Il est toutefois possible de se procurer les numéros déjà parus dont la liste apparaît à la fin de ce numéro, en s’adressant à la secrétaire de rédaction ou sur le site Web de l’herbier à l’adresse www.herbier.ulaval.ca Dépôt légal : 2007. Bibliothèque nationale du Québec, Bibliothèque nationale du Canada. Le dessin de la page couverture représente Metzgeria furcata, il a été réalisé par Audrey Lachance. Catalogue des bryophytes du Québec et du Labrador par Jean Faubert 47, rang 4 est Saint-Valérien, (Québec) Canada G0L 4E0 courriel : [email protected] Nouvelle édition revue et augmentée du Catalogue bibliographique des bryophytes du Québec et du Labrador de Marc Favreau et Guy R. Brassard paru dans Memorial University of Newfoundland, Occasional Papers in Biology n° 12, 1988 Publié par l’Herbier Louis-Marie Université Laval 2007 RÉSUMÉ Le présent catalogue est une compilation des mentions connues de bryophytes pour le Québec et le Labrador (Canada). La flore bryologique du territoire considéré comprend quatre anthocérotes comprenant trois espèces et un taxon infraspécifique, 231 hépatiques dont 207 espèces et 24 taxons infraspécifiques et 657 mousses comprenant 632 espèces et 25 taxons infraspécifiques, pour un total de 892 taxons. Le territoire a été divisé en 23 régions québécoises et cinq régions labradoriennes. Pour chaque taxon, les références bi- bliographiques sont énumérées par région. ABSTRACT The present catalogue is a list of know records of bryophytes for Québec and Labrador, Canada. The total bryological flora of the area includes four of hornworts comprising three species and one infraspecific taxon, 231 liverworts comprising 207 species and 24 infras- pecific taxa and 657 mosses comprising 632 species and 25 infraspecific taxa of mosses, totalling 892 taxa. The area was divided into 23 regions for Québec and five regions for Labrador, and for each taxon, bibliographic references are provided by region. PROVANCHERIA NO 30, 2007 5 TABLE DES MATIÈRES Introduction à la deuxième édition ............................................................................. 7 Introduction à la première édition ............................................................................ 10 Introduction to the first edition ................................................................................. 12 Anthocérotes ............................................................................................................. 15 Hépatiques ................................................................................................................ 15 Mousses .................................................................................................................... 36 Bibliographie de la première édition ...................................................................... 108 Références supplémentaires à la première édition ................................................. 129 Références ajoutées à la deuxième édition ............................................................ 130 Références supplémentaires à la deuxième édition ................................................ 137 PROVANCHERIA NO 30, 2007 7 INTRODUCTION À LA DEUXIÈME ÉDITION Depuis sa parution en 1988, le Catalogue bibliographique des bryophytes du Québec et du Labador était l’outil de référence pour l’étude de ce groupe de plantes sur le territoire couvert, fournissant à la fois la répartition géographique des taxons et une bibliographie exhaustive soutenant cette information. La présente mise à jour vise à prévenir la désué- tude de cet outil essentiel. Un tel travail se justifie par la découverte de plusieurs nouveaux taxons sur le territoire, par la publication de travaux essentiels et par la multiplication des changements nomenclaturaux et taxonomiques durant ces vingt dernières années. Ce der- nier phénomène semble d’ailleurs s’accélérer, en raison du recours maintenant fréquent aux études génétiques et moléculaires. D’autre part, de nombreuses révisions et mises au point taxonomiques sont proposées dans le cadre de la rédaction du projet collectif « Bryophyte Flora of North America », lequel a comme objectif de compiler les connaissances portant sur la flore bryologique du continent nord-américain au nord du Mexique. Pour ces raisons, la présente édition ne saurait être qu’un instantané portant sur l’état des connaissances ac- tuelles en 2007. Nous ajoutons les informations suivantes à la présente édition : Mousses Hépatiques Anthocérotes Extensions d’aire 620 405 4 Nouveaux taxons 29 29 1 Nouvelles mentions 3309 1363 9 Modifications importantes de nomenclature 138 45 2 Nouvelles références bibliographiques : 116 À la lumière de la présente compilation, la flore bryologique du Québec-Labrador com- prend 256 genres, 842 espèces et 50 taxons infraspécifiques pour un total de 892 taxons, répartis de la façon suivante : Genres Espèces Taxons infraspécifiques Anthocérotes 3 3 1 Hépatiques 62 207 24 Mousses 191 632 25 L’organisation, la présentation et les conventions précisées dans l’introduction de la première édition sont maintenues. Durant la recherche, il est apparu que beaucoup de don- 8 CATALOGUE DES BRYOPHYTES DU QUÉBEC ET DU LABRADOR nées pertinentes n’étaient jamais publiées dans les revues scientifiques, lesquelles consti- tuent le fondement de la section bibliographique. Nous avons donc décidé d’élargir cette base bibliographique en tenant compte d’inventaires non officiellement publiés, mais dont les identifications ont été réalisées par des chercheurs dont l’expertise est reconnue. Cette décision d’inclure un maximum d’information, qui entraîne le recours à des sources peu accessibles, se justifie par le peu de recherche sur les bryophytes effectuée au Québec, et par le fait que la présente publication en constitue un répertoire. Le recours à ce procédé a permis d’augmenter considérablement le nombre de mentions dans les régions nordiques de la province, où l’information fait justement le plus défaut. Le titre du présent document a été modifié pour refléter cette nouvelle approche. Nous continuons de mentionner les spécimens d’herbier lorsque l’intérêt phytogéographique est évident. Lorsqu’un taxon est mentionné par Belland (353), le rang national de rareté (N1 ou N2) est indiqué à la suite du nom. Ceci amène parfois à citer des taxons avec la seule mention « Québec », sans indica- tion de région. Contrairement à la première édition, le recours à une référence unique pour la nomen- clature n’était plus possible; nous avons donc tenté de concilier les sources de références les plus récentes. Pour les anthocérotes et les hépatiques, nous avons adopté en premier lieu la position de Schumacker & Váňa, 2005 (425), complétée par Grolle & Long, 2000 (456), puis par les références électroniques 418 (BFNA) et 437 (USDA/PLANTS). Pour les mousses, nous nous sommes appuyés sur le travail de Hill et al, 2006 (455), lequel a été complété au moyen des références électroniques 418 (BFNA) et 437 (USDA/PLANTS). En ce qui concerne les sphaignes, c’est la taxonomie proposée par McQueen & Andrus, 2006 (415) qui a été utilisée. Cependant, la complexité de la synonymie engendrée par des divergences majeures d’opinion chez les sphagnologues ne saurait être résolue par le recours à une référence unique. En cas de contradiction entre la référence 418 (BFNA) et 437 (USDA/PLANTS), priorité est accordée à la référence (418), qui est cependant très incomplète par rapport à la date du présent travail. La nomenclature des noms d’auteurs des taxons repose sur les travaux de Schumacker & Váňa, 2005 (425), Hill et al, 2006 (455), McQueen & Andrus, 2006 (415), lesquels sont complétés par la référence électronique 417 (W3MOST). Le travail de Goffinet & Buck, 2004 (393) nous a guidés pour concilier les pratiques taxonomiques au rang du genre et de la famille. Enfin, Hedenäs, 2003 (402) fut retenu concernant la position en ce qui a trait aux genres de la famille des Amblystegiacées, la- quelle est différente de la pratique nord-américaine. La taxonomie actuellement en vigueur est appelée à connaître d’importants changements en ce qui concerne plusieurs genres (Hill et al, 2006). Ainsi, des travaux importants de révision sont en cours chez le genre Bryum. Les résultats partiellement
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