Tragopogon pratensis: Multiple introductions to North America, circumscription, and the formation of the allotetraploid T. miscellus

DE Soltis, EV Mavrodiev, V Brukhin, EH Roalson… - Taxon, 2023 - Wiley Online Library
Tragopogon (Asteraceae) includes two recently and repeatedly formed allopolyploids, T.
mirus and T. miscellus, both of which formed in western North America following the human …

Tragopogon dubius: Multiple introductions to North America and the formation of the New World tetraploids

DE Soltis, EV Mavrodiev, MA Gitzendanner… - Taxon, 2022 - Wiley Online Library
Tragopogon (Asteraceae) is an evolutionary model for the study of whole‐genome
duplication, with two recently and repeatedly formed allopolyploids, T. mirus and T …

Additional origins of Ownbey's Tragopogon mirus

DE Soltis, EV Mavrodiev, SC Meyers… - Botanical Journal of …, 2012 - academic.oup.com
Abstract The allotetraploids (2 n= 24) Tragopogon mirus and T. miscellus have become
textbook examples of recently and recurrently formed allopolyploids. Both species formed …

Polyphyly of Tragopogon porrifolius L. (Asteraceae), a European Native with Intercontinental Disjuncts

EV Mavrodiev, PS Soltis… - … Journal of Plant …, 2007 - journals.uchicago.edu
Tragopogon L. comprises 150 species from Eurasia, with three diploids well established in
North America (T. porrifolius, T. dubius, and T. pratensis). ITS, external transcribed spacer …

Multiple independent formations of Tragopogon tetraploids (Asteraceae): evidence from RAPD markers

LM Cook, PS Soltis, SJ Brunsfeld… - Molecular …, 1998 - Wiley Online Library
Polyploidy is widely recognized as a significant force leading to the formation of new plant
species. Estimates of the number of angiosperm species with polyploid origins are as high …

Recent and recurrent polyploidy in Tragopogon (Asteraceae): cytogenetic, genomic and genetic comparisons

DE Soltis, PS Soltis, JC Pires, A Kovarik… - Biological Journal of …, 2004 - academic.oup.com
Tragopogon mirus Ownbey and T. miscellus Ownbey are allopolyploids that formed
repeatedly during the past 80 years following the introduction of three diploids (T. dubius …

A cryptic taxon rather than a hybrid species of Tragopogon (Asteraceae) from the Czech Republic

EV Mavrodiev, F Krahulec, DE Soltis, PS Soltis - Kew Bulletin, 2013 - Springer
Tragopogon× mirabilis Rouy is described as a diploid hybrid between T. porrifolius and T.
pratensis. A population of T.× mirabilis from Central Bohemia, Czech Republic, was recently …

Synthetic polyploids of Tragopogon miscellus and T. mirus (Asteraceae): 60 Years after Ownbey's discovery

JA Tate, VV Symonds, AN Doust… - American Journal of …, 2009 - Wiley Online Library
In plants, polyploidy has been a significant evolutionary force on both recent and ancient
time scales. In 1950, Ownbey reported two newly formed Tragopogon allopolyploids in the …

Molecular cytogenetic analysis of recently evolved Tragopogon (Asteraceae) allopolyploids reveal a karyotype that is additive of the diploid progenitors

JC Pires, KY Lim, A Kovarík, R Matyásek… - American Journal of …, 2004 - Wiley Online Library
Tragopogon mirus and T. miscellus (both 2n= 4x= 24) are recent allotetraploids derived from
T. dubius× T. porrifolius and T. dubius× T. pratensis (each 2n= 2x= 12), respectively. The …

Similar patterns of rDNA evolution in synthetic and recently formed natural populations of Tragopogon(Asteraceae) allotetraploids

H Malinska, JA Tate, R Matyasek, AR Leitch… - BMC Evolutionary …, 2010 - Springer
Background Tragopogon mirus and T. miscellus are allotetraploids (2 n= 24) that formed
repeatedly during the past 80 years in eastern Washington and adjacent Idaho (USA) …