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Northern Ontario Plant Database |
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Nomenclatural Sources of the Northern Ontario Vascular Plant Checklist
The names listed in synonym in this database include both taxonomic synonyms and
nomenclatural synonyms. It should be noted that no one source contains all of the species and
synonyms listed in this checklist. Also, the accuracy of the synonymy included here is only as
accurate as the information provided by the source.
Family names for flowering plants follow those ascribed to by the Angiosperm Phylogeny
Group. Family names for
ferns, fern allies, and gymnosperms follow those used in Flora North America, Volume 2
(Pteridophytes and Gymnosperms (FNA 1993).
The accepted species names and synonym in this checklist have been compiled through searches
of several nomenclatural databases and taxonomic publications. Nomenclature used in the Flora
of North America (FNA 1993+) series, considered to be the North American standard, has been
used where available; future changes to this checklist will follow subsequent volumes as they are
published. For species not treated yet in FNA, several online databases were used, primarily
Missouri Botanical Garden's W3-Tropicos Database, the USDA's Germplasm Resources
Information Network (GRIN) Database, and the International Plant Name Index (IPNI), which
includes the Gray Herbarium Index (GHI). Names were checked in each of these sources, since
some author citations were not complete in all databases. For example, the IPNI database does
not always list the parenthetical author (the author of the basionym). Cross-referencing with
GRIN and W3-Tropicos was therefore necessary to assure that scientific names and authorities
were accurate. For introduced species, the GRIN database was most useful, as was the Index
Synonymique de la Flore de France (Michel Kerguélen 1999), which contained very detailed and
accurate taxonomic information for species of European origin included in our flora.
Other references frequently consulted included the Flora of Canada (Scoggan 1978) and the
Synthesis of the North American Flora (J. Kartesz 1999), both of which were very useful in
check geographic distributions and the presence of regional infraspecific taxa. A list of all
references used in the compilation of this checklist and database is provided in the bibliography
link.
When a discrepancy in author citations was found in 2 or more databases, a request for
clarification was made to the taxonomic authorities for those databases, or to the original author
of the taxon in question. The Northern Ontario Plant Database is most indebted to the following
taxonomists, who shared information on specific treatments or checked the primary literature to
solve many nomenclatural problems:
Dr. Ihsan Al-Shehbaz (Missouri Botanical Garden), Dr. George Argus (FNA), Dr. Richard
Bateman (British Museum), Dr. Mary Barkworth (Utah State Univ.), Dr. Luc Brouillet (Univ. de
Montréal), Dr. Kenton Chambers (Oregon State), Dr. William Crins (OMNR), Dr. Gerrit
Davidse (Missouri Botanical Garden), Dr. Kanchi Gandhi (Harvard Univ. Herbarium), Dr. Stuart
Hay (Univ. de Montréal), Dr. Allan Legge (Biosphere Solutions, Calgary, AB), Dr. John Morton
(Univ. of Waterloo), Michael Oldham (OMNR-NHIC), Dr. John L. Strother (Berkely), Dr. Jim
Solomon (MBG W3-Tropicos), Dr. Robert Soreng (US National Herbarium, Smithsonian
Institute), John Valleau (Valleybrook Gardens, Niagara-on-the-Lake), Dr. Joan Venn (Univ. of
Waterloo), Freek Vrugtman (Royal Botanical Gardens, Hamilton, Ont.), Dr. John Wiersema
(USDA-GRIN).
See also Database Links and Bibliography for a complete list of resources consulted in the
compilation of the Northern Ontario Plant Database.
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