Recent publications

Semple, J.C., J.G. Chmielewski, A. Bouchard, and L. Brouillet. 2024. The cytogeography Symphyotrichum lateriflorum, S. ontarionis,  S. racemosum, and S. tradescantii (Asteraceae: Astereae).  Phytoneuron 2024-68: 1–20.

Semple, J.C. 2024. On the lectotypification of Solidago lateriflora L., the basionym of Symphyotrichum lateriflorum (L.) Löve and Löve. Phytoneuron 2024-65. 1-3.

Semple, J.C., J.G. Chmielewski and M. Horsburgh. 2024. The cytogeography Symphyotrichum dumosum and S. simmondsii (Asteraceae: Astereae).  Phytoneuron 2024-44: 1–8.

Semple, J.C., M. Horsburgh and M. Haggitt. 2024. A multivariate morphometric analysis of the Bushy Aster complex Symphyotrichum dumosum and S. simmondsii (Asteraceae: Astereae).  Phytoneuron 2024-43: 1–15.

Semple, J.C.  2024.  Varietal nomenclature of Symphyotrichum dumosum (Asteraceae: Astereae).  Phytoneuron 2024-42: 1-5.

Semple, J.C. and G.H. Morton. 2024.  Cytogeography of Solidago sect. Argutae (Asteraceae: Astereae). Phytoneuron 2024-13: 1–13.

Semple, J.C. and H. Yaşayacak. 2024.  Solidago altissima (Asteraceae: Astereae) adventive in Turkey. Phytoneuron 2024-03: 1–4.

Semple, J.C. 2023.  A multivariate morphometric study of Solidago rupestris, S. canadensis, and S. gigantea (Asteraceae: Astereae).  Phytoneuron 2023-37. 1-12.

Semple J.C, and K. Watanabe. 2023. An Overview to the Index to Chromosome Numbers in Asteraceae Database: Revisiting Base Chromosome Numbers, Polyploidy, Descending Dysploidy, and Hybridization. In: Garcia, S., Nualart, N. (eds) Plant Genomic and Cytogenetic Databases. Methods in Molecular Biology, vol 2703. 161-171.

Semple, J.C. 2023. On Solidago bartramiana, S. brendae, and S. canadensis (Asteraceae: Astereae).  Phytoneuron 2023-29: 1–9.

Semple, J.C. 2023. Fruit and pappus traits of Doellingeria including Eucephalus (Asteraceae: Astereae). Phytoneuron 2023-24: 1–5.

Semple, J.C. 2023. The cytogeography of Solidago juliae, S. leavenworthii, and S. tortifolia (Asteraceae: Astereae). Phytoneuron 2023-21: 1–12.

Semple, J.C., McMinn-Sauder, H., Stover, M., Lemmon, A., Lemmon E., and J. B. Beck. 2023. Goldenrod herbariomics: Hybrid-sequence capture reveals the phylogeny of diploid Solidago. Amer. J. Bot. 110: xxx-xxx.

Semple, J.C. 2023. The cytogeography of Solidago subsect. Radulae (Asteraceae: Astereae). Phytoneuron 2023-20: 1–12.

Semple, J.C. and J.G. Chmielewski. 2022. Cytogeography of Solidago ser. Canadenses (Asteraceae: Astereae):  S. brendae, S. canadensis, S. elongata, S. fallax, S. lepida, S. rupestris, S. shortii, and S. turneri. Phytoneuron 2022-57. 1-17.

Morton, J.K., J. Venn and J.C. Semple. 2022. Chromosome number determinations in Solidago brendae, S. canadensis, S. fallax, and S. lepida (Asteraceae: Astereae). Rhodora 123: 345–352.

Semple, J.C. and R.E. Cook. 2022. The cytogeography of Solidago sect. Erectae, sect. Villosicarpae, sect. Squarrosae, and sect. Brintonia (Asteraceae: Astereae).  Taxonomy 2: 261–278.

Semple, J.C., and J.G. Chmielewski. 2022. Cytogeography of Solidago sect. Multiradiatae (Asteraceae: Astereae). Ann. Missouri Bot. Gard. 107: 153–159.

Semple, J.C. 2022. The cytogeography of Solidago altissima in North America (Asteraceae: Astereae).  Phytoneuron. 2022-17: 1-14.

Semple, J.C. and R.E. Cook. 2022. Cytogeography of Solidago sect. Maritimae (Asteraceae: Astereae).  Ann. Mo. Bot. Garden 107: 21-31.

Semple, J.C., Jie Zhang, R.E. Cook, and B.A. Suripto. 2021. Cytogeography of the Solidago rugosa Mill. complex (Asteraceae: Astereae) in Eastern North America. Taxonomy 2021 (1) 290-301.

Semple, J.C., and J.G. Chmielewski. 2021. Cytogeography of Solidago missouriensis (Asteraceae: Astereae) and observations on varieties. Phytoneuron 2021-49. 1-15.

Semple, John C. 2021. Solidago turneri, a new species of goldenrod in S. subsect. Triplinerviae (Asteraceae: Astereae) from the Big Bend area of Texas. Phytoneuron 2021-21: 1–11.

Semple, J.C., K. Nizamani, K. Kornobis, G. Samra, L. Tong and T. Stavroullakis.  2021.  A multivariate study of Solidago sect. Argutae (Asteraceae: Astereae).  Phytoneuron 2021-20: 1–56.

Semple, John C. and James B. Beck. 2021. A revised infrageneric classification of Solidago (Asteraceae: Astereae). Phytoneuron 2021-10. 1-6.

Morton, J.K., J. Venn and J.C. Semple. 2020. Chromosome number determinations in Solidago altissima (Asteraceae: Astereae). Rhodora 122 (990): 65–72. Published on line 11 Dec 2020

Martino, M., J.C. Semple, and J.B. Beck. 2020. Two cytoype niche shifts are of different magnitude in Solidago gigantea. Amer. J. Bot. 107: 1567-1576.   https://doi.org/10.1002/ajb2.1556

Semple, J.C., J. van de Graaf, and Lan Tong. 2020. A multivariate analysis of Solidago subsect. Squarrosae. IV. the S. puberula-S. pulverulenta complex. Phytoneuron 2020-70. 1-22.

Semple, J.C., V. Durand-Andro, G. Flament, C. Aupic, and F. Jabbour. 2020. Typification of Solidago retrorsa Michx. (Asteraceae:Astereae). Phytoneuron 2020-69. 1-8.

Semple, J.C. 2020. Solidago Goldenrod. Pp. 208-214. In K.W. Allred & E.M. Jercinovic, Eds., Flora Neomexicana. III. An Illustrated Identification Manual, 2nd Ed. Part 2: Dicotyledonous Plants. Lulu.com.  Printed in Toronto

Semple, J.C., Y. Ma, L. Tong, and M. Sorour.  2020.  A multivariate morphometric analysis of Solidago sect. Solidago and S. sect. Multiradiatae (Asteraceae: Astereae).  Phytoneuron 2020-38: 1–59.

Morton, J.K., J. Venn and J.C. Semple. 2019 [2020]. Chromosome number determinations in Solidago gigantea (Asteraceae: Astereae). Rhodora 121 (4): 347-352.

Semple, J.C.  2020.  Documenting a Solidago brendae × S. sempervirens hybrid from the Gaspé, Québec (Asteraceae: Astereae).  Phytoneuron 2020-4: 1–8

Semple, J.C., T. Shea, H. Rahman, Y. Ma, and L. Tong.  2019.  A multivariate morphometric analysis of the Solidago uliginosa complex (Asteraceae: Astereae; S. subsect. Maritimae) in eastern North America.  Phytoneuron 2019-48: 1–44.

Semple, J.C. 2019.  Symphyotrichum estesii (Astearaceae: Astereae), a new species of virguloid aster from Tennessee. Phytoneuron 2019-36: 1-10.

Semple, J.C., R.E. Cook, G.H. Morton, J.B. Beck, and R.M. Lopez Laphitz. 2019. Chromosome number determinations in Fam. Compositae, Tribe Astereae. IX.  North American taxa. II.  Rhodora 121: 37-53.

Semple, J.C., K. Kornobis, A. Mazzorato, G.S. Ringius, and J.A. Peirson. 2019. A multivariate morphometric analysis of Solidago subsect. Humiles (Asteraceae: Astereae).  Phytoneuron 2019-24: 1–61.

Semple, J.C. and F. Jabbour 2019.  Type specimens of Inula (Pityopsis) graminifolia (Asteraceae: Astereae).  Phytoneuron 2019-22. 1-9.

Semple, J.C. and J.B. Nelson. 2018.  Solidago austrocaroliniana (Asteraceae: Astereae), a new species of subsect. Humiles from South Carolina.  Phytoneuron 2018-75: 1-6.

Semple, J.C.  2018.  Solidago veracruzensis, a new species of goldenrod in S. subsect. Triplinerviae (Asteraceae: Astereae) from Mexico. Phytoneuron 2018-52: 1–18.

Semple, J.C., K. Kornobis, and S. Bzovsky.  2018.  A multivariate morphometric analysis of Solidago subsect. Nemorales (Asteraceae: Astereae).  Phytoneuron 2018-42: 1–40.

Semple, J.C. 2018.  On Solidago macvaughii (Asteraceae: Astereae) a rare Mexican endemic in the Tortifoliae Groups of S. subsect. Triplinerviae.  Phytoneuron 2018-35. 1-6.

Amphlett, Andy and John C. Semple. 2018. Solidago sempervirens L. (Salt-marsh Goldenrod) naturalised on saltmarsh at Kingsteps, vc96, – the first record in the wild in Britain and Ireland. BSBI News 138 April 2018.

Morton, J.K, Joan Venn and John C. Semple. 2018. Chromosome number determinations in Solidago (Asteraceae: Astereae). Rhodora 119: 341-348.

Honeycutt, E., T. Patrick, and J.C. Semple. 2017. Solidago porteri a goldenrod rediscovered. Tipularia 32: 44-48.

Semple, J.C., Y. Ma, U. Naik, N. Steenhof, and L. Tong. 2017. A multivariate morphometric analysis of Solidago subsect. Thyrsiflorae (Asteraceae: Astereae). Phytoneuron 2017-77: 1–37.

Semple, J.C. 2017. Solidago correllii (Asteraceae: Astereae), a new species from the from the Guadalupe Mountain region. Phytoneuron 2017-76: 1–8.

Semple, J.C. 2017. Solidago spellenbergii (Asteraceae: Astereae), a new species of goldenrod from Mexico. Phytoneuron 2017-75: 1–8.

Semple, J.C., L. Tong, and A. Chuong.  2017.  Multivariate studies of Solidago subsect. Squarrosae.  III. S. georgiana, S. porteri, S. roanensis, S. squarrosa and S. villosicarpa (Asteraceae: Astereae).  Phytoneuron 2017-55: 1–17.

Semple, J.C.,  2017.  Solidago georgiana (Asteraceae: Astereae) a new species in S. subsect. Squarrosae from Georgia.  Phytoneuron 2017-54: 1–5.

Semple, J.C., H. Faheemuddin, M. Sorour, and Y.A. Chong. 2017.  A Multivariate studies of Solidago subsect. Triplinerviae in western North America: The Solidago lepida complex (Asteraceae: Astereae).  Phytoneuron 2017-47: 1–43.

Semple, J.C., R. Lopez Laphitz, A. Uesugi, S.C. Coffey, and N.G. Walsh.  2017.  Multivariate morphometric confirmation of Solidago chilensis (Asteraceae: Astereae) in  Australia.  Phytoneuron 2017-42: 1–10.

Semple, J.C., R.M. Lopez Laphitz and H. Schaefer.  2017.  Multivariate morphometric confirmation of Solidago chilensis (Asteraceae: Astereae) in the Azores.  Phytoneuron 2017-41: 1–7.  Published 1 June 2017

Semple, J.C. and A. Uesugi.  2017.  Solidago altissima var. pluricephala (Asteraceae: Astereae) in Australia, Tonga and Hawaii.  Phytoneuron 2017-40: 1–16.

Semple, J.C., L. Tong, Y. A. Chong and M. Kaddoura.  2017.  Multivariate studies of Solidago subsect. Squarrosae. II. The Solidago bicolor –S. hispida complex (Asteraceae: Astereae).  Phytoneuron 2017-33: 1–44.

Semple, J.C. and K. Sankara Rao. 2017.  Solidago altissima var. pluricephala (Asteraceae: Astereae) in India. Phytoneuron 2017-32. 1-7.

Semple, J.C. 2017.  Solidago jejunifolia (Asteraceae:Astereae) in Iowa, Missouri, and Nebraska.  Phytoneuron 2017-19. 1-5.

Semple, J.C., L. Tong, and Y.A. Chong.  2017.  Multivariate studies of Solidago subsect. Squarrosae. I. The Solidago speciosa complex (Asteraceae: Astereae).  Phytoneuron 2017-18: 1–23.

Verloove F., B.J.M. Zonneveld and J.C. Semple. 2017: First evidence for the presence of invasive Solidago altissima (Asteraceae) in Europe. Willdenowia 47: 69-75.   doi: https:// doi.org/10.3372/wi.47.47107

Semple, J.C. and T. Ohi-Toma. 2017. Typification of Solidago yokusaiana (Asteraceae: Astereae) a distinctive Japanese species.  Phytoneuron 2017-16.  1-6.

Semple, J.C. and C. Frye. 2017.  A collection of Solidago rupestris (Asteraceae: Astereae) from Mineral Co., West Virginia.  Phytoneuron 2017-13.  1-3.

Semple, J.C., Y. Ma and L. Tong. 2016.  On Solidago simplex (Asteraceae: Astereae): a multivariate study including S. glutinosa, S. leiocarpa, S. multiradiata and S. spathulata. Phytoneuron 2016-87. 1-21.

Semple, J.C., T. Shea, M. El-Swesi, H. Rahman, and Y. Ma. 2016.  A multivariate study of the Solidago stricta complex  (Asteraceae: Astereae: S. subsect. Maritimae). Phytoneuron 2016-86. 1-34.

Semple, J.C., T. Shea, H. Rahman, Y. Ma, and K. Kornobis. 2016.  A multivariate study of the Solidago sempervirens complex  (Asteraceae: Astereae: S. subsect. Maritimae). Phytoneuron 2016-73. 1-31.

Semple, J.C.  2016.  Solidago maya  (Asteraceae: Astereae: S. subsect. Maritimae) a new species of goldenrod from southern Mexico, Guatemala and Belize. Phytoneuron 2016-72: 1–8.

Semple, J.C. , R. Lopez Laphitz, H. Rahman, and Yunfei Ma. 2016.  On Solidago durangensis (Asteraceae: Astereae): A multivariate study with specimens of subsect. Junceae, subsect. Maritimae, and subsect. Triplinerviae.  Phytoneuron 2016-48: 1–19.

Cheek, M. D. and J.C. Semple. 2016. First official record of naturalised populations of Solidago altissima L. var. pluricephala M.C. Johnst. (Asteraceae: Astereae) in Africa.  South Afr. J. Bot. 105: 333-336.   doi:10.1016/j.sajb.2016.05.001

Semple, J.C.  2016. An intuitive phylogeny and summary of chromosome number variation in the goldenrod genus Solidago (Asteraceae: Astereae). Phytoneuron 2016-32. 1-9.

Semple, J.C. and R. Lopez Laphitz. 2016.  On Solidago gypsophila and S. pringlei (Asteraceae: Astereae), rare and not so rare Mexican endemics:  a multivariate study of the Tortifolia group of S. subsect. Triplinerviae.  Phytoneuron 2016-29. 1-20.

Semple, J.C.  2016.  Documenting a Solidago bicolor × S. brendiae hybrid (Asteraceae: Astereae) from Nova Scotia.   Phytoneuron 2016-23. 1–10.

Semple, J.C. and B.R. Keener.  2016.  A recent collection of Solidago buckleyi in Alabama (Asteraceae: Astereae) and multivariate comparison of S. buckleyi, S. petiolaris var. petiolaris and S. porteri.  Phytoneuron 2016-15: 1–8.

Semple, J.C., S. Bzovsky and Lan Tong. 2016. Typification of Solidago chapmanii (Asteraceae: Astereae) and a multivariate comparison with S. drummondii, S. fistulosa, S. odora and S. rugosa.  Phytoneuron 2016-12: 1–16.

Müller, K.M. and J.C. Semple. 2015. Diversity of life: an introductory survey of the three domains of life on earth. 299pp. AsterGraphics, Waterloo.  ISBN 978-0-9736087-1-7

Lopez Laphitz, R. and J.C. Semple. 2015. A multivariate morphometric analysis of the Solidago chilensis complex in South America and related taxa in North America (Asteraceae: Astereae).  Ann. Mo. Bot. Garden 100(4): 423-441.

Semple, J.C. and A.V. Gilman. 2015. Solidago brendiae (Asteraceae: Astereae) in Vermont.  Phytoneuron 2015-40: 1–7.

Beck, J.B. and J.C. Semple. 2015. Next-Generation Sampling: Pairing Genomics with Herbarium Specimens Provides Species-Level Signal in Solidago (Asteraceae). Applications in Plant Sciences 2015 3(6): 1500014. DOI: http://dx.doi.org/10.3732/apps.1500014

Semple J.C., R.E. Cook, and E. Owen. 2015. Chromosome numbers in Fam. Compositae, Tribe Astereae. VIII. Eastern North American taxa. II. Rhodora 117: 80-91.

Semple, J.C., H. Rahman, H., S. Bvosky, M.K. Sorour, K. Kornobis, R. Lopez Laphitz, and L. Tong. 2015.  A multivariate morphometric study of the Solidago altissima complex and S. canadensis (Asteraceae: Astereae).  Phytoneuron 2015-10. 1–31. Published 12 February 2015.

Semple, J.C. , and D. Estes. 2014. Discovery of Solidago porteri (Asteraceae: Astereae) in Alabama and Tennessee and a second population in Georgia.  Phytoneuron 2014-45: 1–11. 

Beck, J.B. , J.C. Semple, J.M. Brull, S.L. Lance, M.M. Phillips, S.B. Hoot, and G.A. Meyer. 2014.  Genus-wide microsatellite primers for the goldenrods (Solidago; Asteraceae). Applications in Plant Sciences 2014 2(4): 1300093.

Semple, J.C., H. Faheemuddin, Y.A. Chong, M.K. Sorour, J.A. Hood, I. Khamis, Y. Ma, and K. Kornobis. 2013. A multivariate morphometric study of the Solidago canadensis/S. lepida complex of Solidago subsect. Triplinerviae (Asteraceae: Astereae). Phytoneuron 2013-58: 1–20.

Semple, J.C. 2013. A new species of Triplinerviae goldenrod in eastern Canada (Asteraceae: Astereae): Solidago brendiae. Phytoneuron 2013-57: 1–9.

Semple, J.C. 2013.  Application of the names Solidago stricta and S. virgata (Asteraceae: Astereae).  Phytoneuron 2013-42. 1-3.

Semple, J.C. , and J.A. Peirson.  2013.  A revised nomenclature for the Solidago simplex complex (Asteraceae: Astereae).  Phytoneuron 2013-41. 1-5.

Semple, J.C.  2013.  On the name Solidago mirabilis (Asteraceae: Astereae) and a new name for a Japanese species of goldenrod.  Phytoneuron 2013-24: 1-9.

Semple, J.C. and K. Gandhi.  2012.  Neotypification of Solidago buckleyi (Asteraceae: Astereae) and observations on its distribution.  Phytoneuron 2012-111: 1-5.

Semple, J.C.  2012.  Typification of Solidago gracillima (Asteraceae: Astereae) and application of the name.  Phytoneuron 2012-107: 1-10.

Semple, J.C., L. Tong, M.J. Oldham and W. Bakowsky. 2012. Solidago pallida new to Ontario and Canada. Phytoneuron 2012-106: 1-5.

Semple, J.C., Lan Tong, and P. Pastolero. 2012. Neotypification of Solidago salicina (Asteraceae: Astereae) and a multivariate comparison with S. patula. Phytoneuron 2012-56: 1–6.

Semple, J.C. 2012. Almutaster p. 236. Euthamia p. 331. Heterotheca pp. 350-352. Sericocarpus p. 420. Solidago pp. 421-422. In B. G. Baldwin et al. (eds.), The Jepson Manual, Vascular Plants of California. 2nd Ed. University of California Press., Berkeley.

Peirson, J.A., A.A. Reznicek, & J.C. Semple. 2012. Polyploidy, speciation, and infraspecific cytotype variation in Goldenrods: the cytogeography of Solidago subsection Humiles (Asteraceae: Astereae) in North America. Taxon: 61: 197-210.

Yilin Chen & John C. Semple. 2011. Solidago Linnaeus. pp. 632-634. In Wu, Z. Y., Raven, P. H. & Hong, D. Y., eds., Flora of China Volume 20–21 (Asteraceae). Science Press (Beijing) & Missouri Botanical Garden Press (St. Louis). Published online on 25 October 2011. Printed version December 2011.

Yilin Chen, Luc Brouillet & John C. Semple. 2011. Aster Linnaeus. pp. 574-632. In Wu, Z. Y., Raven, P. H. & Hong, D. Y., eds., Flora of China Volume 20–21 (Asteraceae). Science Press (Beijing) & Missouri Botanical Garden Press (St. Louis). Published online on 25 October 2011. Printed version December 2011.

Chen, Y. L., Chen, Y. S., Brouillet, L. & Semple, J. C. 2011. Astereae. Pp. 545–652 in: Wu, Z. Y., Raven, P. H. & Hong, D. Y., eds., Flora of China Volume 20–21 (Asteraceae). Science Press (Beijing) & Missouri Botanical Garden Press (St. Louis). Published online on 25 October 2011. Printed version December 2011.

Brouillet, L., T. Lowrey, L. Urbatsch, V. Karaman-Castro, G. Sancho, S. Wagstaff, and J.C. Semple. 2009. Chapter 37. Astereae. Pp. 449-490. In Systematics, Evolution and Biogeography of the Compositae, Funk, V.A., A. Susanna, T. Stuessy, and R. Bayer (eds.). IAPT, Vienna, Austria.

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Last updated 11 November 2024 by J.C. Semple