A nemzetségbe az alábbi 99 faj és hibrid tartozik:
- Populus × acuminata Rydb.
- kínai nyár (Populus adenopoda) Maxim.
- Populus afghanica (Aitch. & Hemsl.) C.K. Schneid.
- Populus alaschanica Kom.
- fehér nyár (Populus alba) L.
- Populus amurensis Kom.
- keskeny levelű nyár (Populus angustifolia) E.James
- Populus baicalensis Kom.
- balzsamos nyár (Populus balsamifera) L.
- Populus beijingensis W.Y. Hsu
- Populus × berolinensis K.Koch
- Populus × brayshawii B.Boivin
- kanadai nyár (Populus x canadensis) Moench
- Populus × candicans Aiton
- szürke nyár (Populus × canescens) (Aiton) Sm.
- Populus caspica (Bornm.) Bornm.
- Populus cathayana Rehder
- Populus charbinensis C. Wang & Skvortsov
- Populus ciliata Wall. ex Royle
- folyóparti nyár (Populus deltoides) Marshall
- Populus dimorpha Brandegee
- Eufrátesz-nyár (Populus euphratica) Oliv.
- nemes nyár (Populus x euramericana)[1]
- Populus flexibilis Roz.
- arizonai nyár (Populus fremontii) S.Watson
- Populus gansuensis C. Wang & H.L. Yang
- Populus × generosa A.Henry
- Populus girinensis Skvortsov
- Populus glauca Haines
- Populus × glaucicomans Dode
- nagyfogú nyár (Populus grandidentata) Michx.
- Populus guzmanantlensis A. Vázquez & Cuevas
- Populus haoana Cheng & Z. Wang in Z. Wang & S. L. Tung
- Populus × hastata Dode
- Populus × heimburgeri B.Boivin
- mocsári gyapotfa (Populus heterophylla) L.
- Populus × hinckleyana Correll
- Populus × hopeiensis Hu & H.F.Chow
- Populus hsinganica C. Wang & Skvortsov
- Populus × hybrida M.Bieb.
- Tana-nyár (Populus ilicifolia) (Engl.) Rouleau
- Populus iliensis Drobow
- Populus × inopina Eckenw.
- Populus intramongolica T.Y. Sun & E.W. Ma
- Populus × jackii Sarg.
- Populus × jrtyschensis Cheng-yuan Yang
- Populus kangdingensis C. Wang & S.L. Tung
- Populus keerqinensis T.Y. Sun
- koreai nyár (Populus koreana) Rehder
- Populus lancifolia N. Chao
- kínai széles levelű nyár (Populus lasiocarpa) Oliv.
- babérlevelű nyár (Populus laurifolia) Ledeb.
- Populus mainlingensis C. Wang & S.L. Tung
- Populus manshurica Nakai
- mexikói nyár (Populus mexicana) Wesm. ex DC.
- Populus minhoensis S.F. Yang & H.F. Wu
- Populus nakaii Skvortsov
- fekete nyár (Populus nigra) L.
- Populus ningshanica C. Wang & S.L. Tung
- Populus pamirica Kom.
- Populus × parryi Sarg.
- Populus pilosa Rehder
- Populus platyphylla T.Y. Sun
- Populus pruinosa Schrenk
- Populus pseudoglauca C. Wang & P.Y. Fu
- Populus pseudomaximowiczii C. Wang & S.L. Tung
- Populus pseudosimonii Kitag.
- Populus × pseudotomentosa C. Wang & S.L. Tung
- Populus purdomii Rehder
- Populus qamdoensis C. Wang & S.L. Tung
- Populus qiongdaoensis T. Hong & P. Luo
- Populus × rasumowskiana C.K. Schneid.
- Populus × rollandii Rouleau
- Populus × rouleauana B.Boivin
- Populus schneideri (Rehder) N. Chao
- Populus shanxiensis C. Wang & S.L. Tung
- Populus simaroa Rzed.
- Simon-nyár (Populus simonii) Carrière
- Populus × smithii B.Boivin
- Populus suaveolens Fisch. ex Loudon
- Populus szechuanica C.K. Schneid.
- Populus talassica Kom.
- Populus × tomentosa Carrière
- rezgő nyár (Populus tremula) L. - típusfaj
- amerikai rezgő nyár (Populus tremuloides) Michx.
- szőrös termésű nyár (Populus trichocarpa) Torr. & A.Gray ex Hook.
- Populus trinervis C. Wang & S.L. Tung
- usszuri nyár (Populus ussuriensis) Kom.[2][3][4][5]
- Populus violascens Dode
- Populus wenxianica Z.C. Feng & J.L. Guo ex G.H. Zhu
- Populus × wettsteinii Hämet-Ahti
- Wilson-nyár (Populus wilsonii) C.K. Schneid.
- Populus wuana C. Wang & S.L. Tung
- Populus wulianensis S.B.Liang & X.W.Li
- Populus xiangchengensis Z. Wang & S.L. Tung
- Populus × xiaohei T.S. Hwang & Liang
- Populus × xiaozhuanica W.Y. Hsu & Liang
- Populus yatungensis (Z. Wang & P.Y. Fu) C. Wang & S.L. Tung
- Populus yuana C. Wang & S.L. Tung
- jünnani nyár (Populus yunnanensis) Dode
- Populus L. The Plant List
- Linnaeus, C. 1753. Species Plantarum 2: 1034.
- IPNI
- "Genus Populus (poplars)". Taxonomy. UniProt. Retrieved 4 February 2010.
- Meikle, R. D. (1984). Willows and Poplars of Great Britain and Ireland. BSBI Handbook No. 4. ISBN 0-901158-07-0.
- Rushforth, K. (1999). Trees of Britain and rope. Collins ISBN 0-00-220013-9.
- Keeler, H. L. (1900). Our Native Trees and How to Identify Them. New York: Charles Scriber's Sons. pp. 410–412.
- Eckenwalder, J.E. (1996). "Systematics and evolution of Populus". In R.F. Stettler; H.D. Bradshaw; P.E. Heilman; T.M. Hinckley. Biology of Populus and its implications for management and conservation. Ottawa: NRC Research Press, National Research Council of Canada. ISBN 9780660165066.
- Hamzeh, M., & Dayanandan, S. (2004). Phylogeny of Populus (Salicaceae) based on nucleotide sequences of chloroplast TRNT-TRNF region and nuclear rDNA. Amer. J. Bot. 91: 1398-1408. Available online
- Eckenwalder, J.E. (2001). "Key to species and main crosses". In D.I. Dickmann; J.G. Isebrands; J.E. Eckenwalder; J. Richardson. Poplar culture in North America. Ottawa: NRC Research Press. pp. 325–330. ISBN 978-0-660-18145-5.
- http://www.springerlink.com/content/553472252334p7kq/fulltext.pdf%5B%5D
- The Cambridge Companion to Archaic Greece, p. 69.
- Aylott, Matthew J.; Casella, E; Tubby, I; Street, NR; Smith, P; Taylor, G (2008). "Yield and spatial supply of bioenergy poplar and willow short-rotation coppice in the UK" (PDF). New Phytologist. 178 (2 fvhc): 358–370. PMID 18331429. doi:10.1111/j.1469-8137.2008.02396.x. Retrieved 22 October 2008.
- Rees Harps Website, "Harp Myth #8".
- Shiitake growth studies performed by RMIT
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