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Article
Lexicon of infrageneric names in Rubus (Rosaceae: Rubeae)
Summary. An attempt is made to summarise the infrageneric nomenclature associated with the bramble genus Rubus, a widely distributed taxon found throughout much of the near-arctic and temperate t...
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Article
Taxonomic identity and typification of selected names of North American Potamogetonaceae
Most names in North American Potamogetonaceae have not been typified. Details of typifications are given for 72 names based on North American material published in the genus Potamogeton mainly by North American b...
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Article
Summary of recent systems of angiosperm classification
Seven recently established (2007 – 2010) systems of classification for flowering plants (Magnoliidae or angiosperms) are uniformly arranged in a linear fashion to allow ready comparisons with an eighth propose...
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Article
New combinations and typifications in Bistorta, Persicaria, Polygonum, and Rumex (Polygonaceae)
New combinations are proposed in anticipation of the Polygonaceae treatment in the forthcoming volume of Intermountain Flora: Polygonum kelloggii var. esotericum, P. kelloggii var. watsonii ...
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Article
An updated classification of the class Magnoliopsida (“Angiospermae”)
The present classification of extant flowering plants (Magnoliopsida) updates and revises those presented previously by bringing together the vast majority of new information published since 1999. The extant m...
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Article
Transfer of Dodecatheon to Primula (Primulaceae)
Phylogenies inferred from both chloroplast and nuclear DNA regions have placed the small genusDodecatheon (the shooting stars; 17 spp.) among the descendants of the most recent common ancestor ofPrimula (the prim...
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Article
Cryptantha gypsophila (Boraginaceae: Boraginoideae), a new species from western Colorado
Cryptantha gypsophila, a new species of sect.Oreocarya, is described from gypsum outcrops in widely scattered valleys of Mesa, Montrose, and San Miguel countries of western Colorado. It can be di...
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Article
Physaria pulvinata (Brassicaceae), a new species from southwestern Colorado
Physaria pulvinata is described from isolated, grayish, argillaceous shale outcrops in Dolores and San Miguel Counties of southwestern Colorado. It may be distinguished from the relatedP. interme...
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Article
Index nominum familiarum plantarum vascularium
A list of 2510 vascular plant family names is provided, valid and not validly published as well as legitimate and not legitimate. Each entry has a full bibliographic reference, nomenclatural status, generic ty...
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Article
Eriogonum soliceps (Polygonaceae: Eriogonoideae), a new species from east-central Idaho and southwestern Montana
Eriogonum soliceps, a new species of subg.Eucycla sect.Capitata, is described. It may be readily distinguished from all other taxa of the subgenus by its reduced inflorescence. From its presumed nearest relative...
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Article
Johanneshowellia (Polygonaceae: Eriogonoideae), a new genus from the Intermountain West
A new genus ofPolygonaceae subfam.Eriogonoideae is established for what has long been known asEriogonum puberulum. NamedJohanneshowellia in honor of the late John Thomas Howell (1903–1994), a new combination,J. p...
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Article
“A region of astonishing beauty”: The botanical exploration of the rocky mountains. Roger L. Williams
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Article
Book reviews
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Article
Book reviews
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Article
A new variety of trillium pusillum (Liliaceae) from the Virginias
A montane population ofTrillium pusillum Michx. from the crest of Shenandoah Mountain on the Virginia-West Virginia state line is newly described asT. pusillum var.monticulum. It differs from the related coastal ...
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Article
Notes on endangered buckwheats (Eriogonum: Polygonaceae) with three newly described from the western United States
Three unnamed buckwheats listed by the United States Fish and Wildlife Service in December 1980 as potentially endangered or threatened plants are formally proposed:E. crosbyae from Lake Co., Oregon;E. grande var...
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Article
Vascular plants of North America North of Mexico
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Article
Goodmania (Polygonaceae), a new genus from California
A new genus,Goodmania, is described for the species currently known asOxytheca luteola Parry of central and southern California. A member of Polygonaceae, subfamily Eriogonoideae,Goodmania is an isolated genus, d...
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Article
Eriogonum (Polygonaceae) novelties from Baja California, Mexico
Five new entities ofEriogonum are described from Baja California and Baja California Sur, Mexico, including one species,E. preclarum, and four varieties of other species:E. fasciculatum var.emphereium,E. wrightii
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Article
Dedeckera (Polygonaceae), a new genus from California
A new genus and species,Dedeckera eurekensis, are described from the Last Chance Mountains, Inyo Co., California, from an area just south of the Eureka Valley sand dunes. A member of Polygonaceae, it is most clos...
