disjunct genera

Listing 1 - 10 from 21 for disjunct genera

APGA | Arnold Arboretum of Harvard University
... , and China, Stewartia continues to be one of the Arboretum's taxonomic and horticultural target genera. With their white or pink camellia-like blooms in mid tolate summer, clean foliage taking ... along the Chinese Path, where the Arboretum plans to expand interpretation of its focus on disjunct genera of eastern Asia and the eastern North America. Stephen Spongberg, the Arnold's former horticultural ...
www.aabga.org

Arnold Arboretum - Molecular Biology and Evolution of phytochrome systems
... plant group includes 91 disjunct genera, each with species that occur naturally in both eastern Asia and North America. The goal here is to understand why so many plant genera display a very ... species of the genus. Recent studies have shown that there are complex evolutionary patterns in disjunct genera. It is important to investigate the patterns and their correlation with geological times and ...
www.arboretum.harvard.edu

Tom Volk's Mycology Research
... Crosse. Current research programs there include the systematics, ecology and taxonomy in the genera Armillaria, Laetiporus, Bridgeoporus, Phlebia, and Phellinus, and also the study of ecology and ... of novel compounds from mushrooms." Dan Kinney. Summer-Fall 2001. "Fungi associated with a disjunct population of American chestnuts in Wisconsin." Sarah Wiederhoft. Fall 2001-Spring 2002. "Testing ...
botit.botany.wisc.edu

Frequently Asked Questions about the Flora of China
... out by glaciation in North America but survived in China. Nearly 120 genera in 60 families of plants have disjunct populations in eastern Asia and temperate North America, relicts of the once ...
hua.huh.harvard.edu

FLORA OF NORTH AMERICA - Volume 1, Chapter 1
... in explaining their contemporary distributions, and those of their constituent genera and species. The contemporary representatives---families and genera---of modern vascular plants have also developed largely during this period ... sea level to 150 m near the Frontenac Axis. The province consists of three disjunct land areas: the St. Lawrence Valley, Anticosti Island and the Mingan Archipelago, and ...
hua.huh.harvard.edu More from this site

Recent pteridophyte name changes
... & Farrant 1998 Cheilanthes tenuifolia in southern Australia = Cheilanthes austrotenuifolia 1998 Distinct disjunct species. Name sometimes also misapplied to specimens of Cheilanthes sieberi. Chambers & ... familes Dryopteridaceae for genera related to Dryopteris and Polystichum and Hypoderriaceae for genera related to Tectaria. Jones 1998 Hypolepidaceae = Denstaedtiaceae 1998 Genera related to ...
www.anbg.gov.au

Sections - Croton Research Network
... valvate; ovary with stellate trichomes; styles multifid. This section includes about 10 species with a disjunct distribution between North America, the West Indies, and extra-Amazonian Brazil. Judging from the description ... appear to merit separation unless Croton is divided up into a large number of segregate genera, as Klotzsch attempted to do in the 19th century. Over 50 species of Julocroton ...
www.botany.wisc.edu

CPN Samples
... this process is probably ongoing. This phenomenon has been noted in several other non-carnivorous genera and species (e.g. Wood, 1955; Grant, 1981; Briggs and Walters, 1997). Likely, the unknown ... , D. linearis, has remained so localized to the Great Lakes region (but with a few disjunct populations in the Canadian maritimes and at least one small population in northern Maine (Diels ...
www.carnivorousplants.org

Cycad International : Katherine NT Australia
... from other populations and may have adapted to different soil types and habitats. Such disjunct populations are often of great significance to taxonomists and geneticists. If those that differ ... that places restrictions on the import, export and re-export of listed species. Five genera of cycads (Ceratozamia, Chigua, Enecephalartos, Microcycas and Stangeria), together with Cycas beddomei, are listed ...
www.cycadinternational.com.au

Pediocactus nigrispinus (Cacti)
... 3 inches Age: 15+ years? This variety was described in "The Genera Pediocactus-Navajoa- Toumeya" by Fritz Hochstatter, in 1995. The habitat ... largest plants in a small population of a unique and disjunct population of Pediocactus nigrispinus v. nigrispinus. This habitat is small ... years This interesting form, with its extra heavy spines, is a disjunct population in the extreme N.E. corner of Oregon, at ...
www.labs.agilent.com

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