User profiles for K. C. Nixon
Kevin C. NixonProfessor of Botany, Cornell University Verified email at cornell.edu Cited by 28179 |
TNT, a free program for phylogenetic analysis
PA Goloboff, JS Farris, KC Nixon - Cladistics, 2008 - Wiley Online Library
The main features of the phylogeny program TNT are discussed. Windows versions have a
menu interface, while Macintosh and Linux versions are command‐driven. The program can …
menu interface, while Macintosh and Linux versions are command‐driven. The program can …
The parsimony ratchet, a new method for rapid parsimony analysis
KC Nixon - Cladistics, 1999 - Elsevier
… The performance of the implemented in the programs DADA (Nixon, 1998) … Nixon and Davis
(in prepara- … ing new trees that differ within a limited number of Nixon, K C. (1999). Winclada …
(in prepara- … ing new trees that differ within a limited number of Nixon, K C. (1999). Winclada …
Angiosperm phylogeny inferred from 18S rDNA, rbcL, and atpB sequences
A phylogenetic analysis of a combined data set for 560 angiosperms and seven outgroups
based on three genes, 18S rDNA (1855 bp), rbcL (1428 bp), and atpB (1450 bp) representing …
based on three genes, 18S rDNA (1855 bp), rbcL (1428 bp), and atpB (1450 bp) representing …
An amplification of the phylogenetic species concept
KC Nixon, QD Wheeler - Cladistics, 1990 - Wiley Online Library
The goal of a phylogenetic species concept is to reveal the smallest units that are analysable
by cladistic methods and interpretable as the result of phylogenctic history. We define …
by cladistic methods and interpretable as the result of phylogenctic history. We define …
On outgroups
KC Nixon, JM Carpenter - Cladistics, 1993 - Elsevier
Abstract—The relations among polarity, outgroups and rooting are clarified. The "outgroup
algorithm" and "outgroup substitution method" are irrelevant forms of relaxed parsimony. They …
algorithm" and "outgroup substitution method" are irrelevant forms of relaxed parsimony. They …
Populations, genetic variation, and the delimitation of phylogenetic species
… We refer to these conditions as Hennig's model (Nixon and Wheeler, 1992). The first
condition of this model is that descent relationships among the terminal units of the analysis are …
condition of this model is that descent relationships among the terminal units of the analysis are …
On simultaneous analysis
KC Nixon, JM Carpenter - Cladistics, 1996 - Elsevier
Arguments for and against combined analysis of multiple data sets in phylogenetic
inference are reviewed. Simultaneous analysis of combined data better maximizes cladistic …
inference are reviewed. Simultaneous analysis of combined data better maximizes cladistic …
Phylogeny, biogeography, and processes of molecular differentiation in Quercus subgenus Quercus (Fagaceae)
… According to the ITS and combined data, the placement of these Eurasian taxa suggests
that section Quercus sensu Nixon is not monophyletic. The alternative placement presented …
that section Quercus sensu Nixon is not monophyletic. The alternative placement presented …
Archaefructaceae, a new basal angiosperm family
G Sun, Q Ji, DL Dilcher, S Zheng, KC Nixon, X Wang - Science, 2002 - science.org
… Parsimony analysis was undertaken using the parsimony ratchet of Nixon (46), with numerous
runs of 200 replications for each analysis. In all analyses, Archaefructus is a sister taxon …
runs of 200 replications for each analysis. In all analyses, Archaefructus is a sister taxon …
Infrageneric classification of Quercus (Fagaceae) and typification of sectional names
KC Nixon - Annales des sciences forestières, 1993 - afs-journal.org
… ized in figure 1, based on a combination of the morphological and molecular data analyses
that will be presented elsewhere (KC Nixon, P Manos, manuscript in preparation). The …
that will be presented elsewhere (KC Nixon, P Manos, manuscript in preparation). The …