monophyletic groups

Listing 1 - 7 from 7 for monophyletic groups

Tree of Life: Interpreting Trees
... concepts: Grey tree diagrams Polytomies Groups that may not be monophyletic Groups that are not monophyletic Groups of uncertain phylogenetic position Groups that are extinct Labelled branches ... non-monophyletic groups or groups of uncertain phylogenetic position (incertae sedis) included in a classification, these groups are labelled with parenthetical remarks: Group A (non-monophyletic) Group ...
tolweb.org

Jepson Herbarium: A New Era in California Floristic Studies
... substantial revision. At this time, revised taxonomic treatments are not available for most groups and therefore botanists are forced to use outdated and incomplete references when identifying ... The Second Edition will provide: A new philosophy that encourages the recognition of monophyletic groups (natural lineages) and cryptic biodiversity (where taxa cannot be distinguished morphologically but ...
ucjeps.berkeley.edu

FLORA OF NORTH AMERICA - Newsletter - Vol 11, No 2
... maintaining only two classes, he continues the tradition of considering the Magnoliopsida a monophyletic group for which there is limited support. The remaining subclasses of Magnoliopsida are ... As he has done previously, Takhtajan restricts the Asteridae to only a few family groups - Campanulanae and Asteranae. Thirty-three validly published innovations are presented. Seventeen additional names ...
hua.huh.harvard.edu

The Classes of ToL Objects
... , like incertae sedis status, phylesis (monophyletic or paraphyletic), and extinct or not. page objects (see Presenting Information on ToL Pages) people (for example, authorities on particular groups) Generally, ToL objects have a ...
tolweb.org

Baldwin Lab - UC Berkeley
... studies on a wide diversity of evolutionary and biogeographic questions in various plant groups, with most studies to date involving a phylogenetic component. Collaborative studies of tribe ... 2003, see publication list) indicating that true thistles of the New World are a monophyletic group that underwent explosive ecological diversification following long-distance dispersal, much like an ...
ucjeps.berkeley.edu

APSnet Education Center - Introductions to the Major Pathogen Groups - Introduction to Parasitic Flowering Plants
... ) and dodder (Cuscuta). Root parasites are more common and are found in diverse taxonomic groups. Some of the most economically important root pathogens are in the Orobanchaceae. Parasitic plants ... ). Recent molecular phylogenetic studies that included both hemi- and holoparasites show that Orobanchaceae is monophyletic (i.e. all members share a common ancestor) and that this evolutionary line is ...
www.apsnet.org

Evolution of the Cactaceae
... well as other characters. These three groups, treated previously as tribes, are now considered to be subfamilies, and have been shown to be monophyletic (of one common ancestral lineage). The ... "proto-Cactaceae" ancestor, and have differentiated into at least four or five geographically isolated groups within South America and the Caribbean. SUBFAMILY OPUNTIOIDEAE The monophyly of this subfamily can ...
www.labs.agilent.com