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Cytogeography of the Solidago rugosa Mill. Complex (Asteraceae: Astereae) in Eastern North America

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Department of Biology, University of Waterloo, Waterloo, ON N2L 3G1, Canada
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C & C International Inc., Kitchener, ON N2P 0A8, Canada
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Department of Natural Sciences, Fairmont State University, Fairmont, WV 26554, USA
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Faculty of Biology, Universitas Gadjah Mada, Bulaksumur, Yogyakarta 55281, Indonesia
*
Author to whom correspondence should be addressed.
Academic Editor: Daniel Potter
Taxonomy 2021, 1(4), 290-301; https://doi.org/10.3390/taxonomy1040023
Received: 24 September 2021 / Revised: 8 October 2021 / Accepted: 11 October 2021 / Published: 14 October 2021
Chromosome numbers are reported here for the first time from 117 individuals of Solidago rugosa and S. fistulosa. Including 178 previously published reports for the two species plus S. latissimifolia, chromosome numbers have been determined from 295 individuals from 269 locations. Only diploids (2n = 18) were found throughout the range of S. fistulosa on the coastal plain in the eastern U.S.A. (44 counts). Diploids (2n = 18) were found in the northern portion of the range of S. latissimifolia, and tetraploids (2n = 36) and hexaploids (2n = 54) were found in the central and southern portions of the range (nine counts in total). Diploids (2n = 18) were found throughout the range of S. rugosa in much of eastern North America in four of the five varieties (northern var. rugosa, var. sphagnophila; southern var. aspera and var. celtidifolia). Tetraploids (2n = 36) were found in all four of these varieties and exclusively in var. cronquistiana in the southern high Appalachian Mountains. Hexaploids (2n = 54) were found in var. sphagnophila at scattered locations. One possible hexaploid in var. rugosa was found in the Allegheny Mountains. The diversity in ploidy levels was independent of the size of the range and the diversity of growing conditions among the three species of S. subsect. Venosae. View Full-Text
Keywords: cytotaxonomy; biogeography; goldenrods cytotaxonomy; biogeography; goldenrods
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MDPI and ACS Style

Semple, J.C.; Zhang, J.; Cook, R.E.; Suripto, B.A. Cytogeography of the Solidago rugosa Mill. Complex (Asteraceae: Astereae) in Eastern North America. Taxonomy 2021, 1, 290-301. https://doi.org/10.3390/taxonomy1040023

AMA Style

Semple JC, Zhang J, Cook RE, Suripto BA. Cytogeography of the Solidago rugosa Mill. Complex (Asteraceae: Astereae) in Eastern North America. Taxonomy. 2021; 1(4):290-301. https://doi.org/10.3390/taxonomy1040023

Chicago/Turabian Style

Semple, John C., Jie Zhang, Rachel E. Cook, and Bambang A. Suripto 2021. "Cytogeography of the Solidago rugosa Mill. Complex (Asteraceae: Astereae) in Eastern North America" Taxonomy 1, no. 4: 290-301. https://doi.org/10.3390/taxonomy1040023

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