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- Title
A synopsis of the Juncus hesperius group (Juncaceae, Juncotypus) and their hybrids in western North America.
- Authors
Zika, Peter
- Abstract
A synopsis of North American species in the Juncus hesperius group is presented. Juncus exiguus, J. hesperius, and J. laccatus form a trio of closely related species in the section Juncotypus, restricted to western North America. They are illustrated and mapped based on extensive field and herbarium studies. A key to North American members of Juncus section Juncotypus, north of Mexico, is presented. Putative hybrids in the group are morphologically intermediate and rare in mixed populations. The following putative hybrid combinations are documented: J. exiguus × J. effusus subspecies pacificus from California; J. exiguus × J. laccatus from California; J. hesperius × J. effusus subspecies pacificus from British Columbia, California, and Washington; J. hesperius × J. laccatus from Washington , and J. hesperius × J. patens from California . Three putative hybrids are illustrated.
- Subjects
NORTH America; JUNCACEAE; PLANT populations; PLANT morphology; JUNCUS; PLANT species
- Publication
Brittonia, 2013, Vol 65, Issue 2, p128
- ISSN
0007-196X
- Publication type
Article
- DOI
10.1007/s12228-012-9261-1