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Taxa Symphyotrichum anomalum, Symphyotrichum anticostense, Symphyotrichum boreale, Symphyotrichum ciliolatum, Symphyotrichum cordifolium, Symphyotrichum depauperatum

Show Lower Taxa Botrychium acuminatum, Botrychium ascendens, Botrychium boreale, Botrychium campestre, Botrychium crenulatum, Botrychium echo, Botrychium

sectionHypericum sect. Brathys Show Lower Taxa Hypericum anagalloides, Hypericum boreale, Hypericum canadense, Hypericum cumulicola, Hypericum denticulatum, Hypericum

Schistidium apocarpum, Schistidium atrichum, Schistidium atrofuscum, Schistidium boreale, Schistidium cinclidodonteum, Schistidium confertum, Schistidium crassipilum

sectionDichanthelium sect. Dichanthelium Show Lower Taxa Dichanthelium boreale, Dichanthelium dichotomum Mary E. Barkworth Treatment appears in FNA Volume

sectionVaccinium sect. Cyanococcus Show Lower Taxa Vaccinium angustifolium, Vaccinium boreale, Vaccinium corymbosum, Vaccinium darrowii, Vaccinium hirsutum, Vaccinium

albicans, Brachythecium asperrimum, Brachythecium bolanderi, Brachythecium boreale, Brachythecium brandegeei, Brachythecium campestre, Brachythecium cirrosum

Symphyotrichum sectionSymphyotrichum sect. Symphyotrichum speciesSymphyotrichum boreale (Torrey & A. Gray) Á. Löve & D. Löve Taxon 31: 358. 1982. Luc Brouillet

Lower Taxa Polygonum aviculare subsp. aviculare, Polygonum aviculare subsp. boreale, Polygonum aviculare subsp. buxiforme, Polygonum aviculare subsp. depressum

genusBotrychium subgenusBotrychium subg. Botrychium speciesBotrychium boreale J. Milde Bot. Zeitung 15(51): 880. 1857. Warren H. Wagner Jr., Florence

genusSedum speciesSedum obtusatum Show Lower Taxa Sedum obtusatum var. boreale, Sedum obtusatum var. obtusatum, Sedum obtusatum var. paradisum, Sedum obtusatum

Vaccinioideae genusVaccinium sectionVaccinium sect. Cyanococcus speciesVaccinium boreale I. V. Hall & Aalders Amer. J. Bot. 48: 200. 1961 ,. Sam P. Vander Kloet

aviculare var. boreale Lange Consp. Fl. Groenland. 1: 105. 1880 Synonyms: Polygonum arenastrum subsp. boreale (Lange) Á. Löve Polygonum boreale Lindman Polygonum

Taxa Dulichium arundinaceum var. arundinaceum, Dulichium arundinaceum var. boreale (Linnaeus) Britton Bull. Torrey Bot. Club 21: 29. 1894. Joy Mastrogiuseppe

P. Bicknell Hydastylus californicus (Ker Gawler) Salisbury Sisyrinchium boreale (E. P. Bicknell) J. K. Henry Sisyrinchium brachypus (E. P. Bicknell) J.

aleuticum Ruprecht Distr. Crypt. Vasc. Ross., 49. 1845 Synonyms: Adiantum boreale C. Presl Adiantum pedatum subsp. aleuticum (Ruprecht) Calder & Roy L. Taylor

Bjorn Salomon Common names: Alaskan wheatgrass Endemic Synonyms: Agropyron boreale subsp. alaskanum Treatment appears in FNA Volume 24. Treatment on page 326

Inst. ETH Stiftung Rubel 44:137. 1977. Elias Landolt Common names: Wolffie boréale WeedyIllustratedEndemic Basionym: Wolffia brasiliensis var. borealis Engelmann

obtusatum var. boreale (R. T. Clausen) H. Ohba J. Bot. Res. Inst. Texas 1: 889. 2007,. Hideaki Ohba Basionym: Sedum obtusatum subsp. boreale R. T. Clausen

speciesDichanthelium boreale (Nash) Freckmann Mary E. Barkworth Common names: Northern panicgrass Panic boreal Endemic Synonyms: Panicum boreale var. michiganense

Basionym: Hypericum canadense var. boreale Britton Bull. Torrey Bot. Club 18: 365. 1891 Synonyms: H. mutilum subsp. boreale (Britton) J. M. Gillett Sarothra

LAYOUT:treatment:TUOYAL familyBrachytheciaceae genusBrachythecium speciesBrachythecium boreale Ignatov Arctoa 17: 127, fig. 7. 2009. Michael S. Ignatov Treatment appears

Wagner Common names: Northwestern moonwort Endemic Synonyms: Botrychium boreale subsp. obtusilobum (Ruprecht) R.T. Clausen Treatment appears in FNA Volume

. Anita F. Cholewa Common names: Northern starflower maystar trientale boréale WeedyIllustratedEndemic Synonyms: Trientalis americana Pursh Trientalis

infraspecific taxa that have been named in this species, Equisetum arvense var. boreale (Bongard) Ruprecht has been most generally accepted and has been applied

William J. Crins Common names: Foxtail Boreal foxtail Vulpin alpin Vulpin boreale Synonyms: Alopecurus occidentalis Alopecurus borealis Alopecurus alpinus

genusDulichium speciesDulichium arundinaceum varietyDulichium arundinaceum var. boreale Lepage Naturaliste Canad. 85: 100, fig. 1. 1958. Joy Mastrogiuseppe Common

Laurel K. Anderton Common names: Boreal glyceria Boreal mannagrass Glycerie boreale Treatment appears in FNA Volume 24. Treatment on page 81. Illustrator: Cindy

Rhodora 80: 28, figs. 7, 8. 1978. Garrett E. Crow Common names: Sagine boréale Illustrated Synonyms: Sagina nodosa var. borealis (G. E. Crow) Cronquist

St.-Pétersbourg, Sér. 6, Sci. Math. 2: 146. 1832 Synonyms: Apargidium boreale (Bongard) Torrey & A. Gray Scorzonella borealis (Bongard) Greene Treatment

Mnium tetragonum Hedwig Sp. Musc. Frond., 73. 1801 Synonyms: Conostomum boreale Swartz Treatment appears in FNA Volume 28. Treatment on page 98. Mentioned

subfamilyGrimmiaceae subfam. Grimmioideae genusSchistidium speciesSchistidium boreale Poelt Svensk Bot. Tidskr. 47: 256, fig. 1b, e. 1953,. Terry T. McIntosh

basal pinnae with only shallow, narrow sinuses and 1–3 lobes. Botrychium boreale 30 Pinnae of mature trophophores considerably longer than wide, mostly with

margins entire > 23 22 Shrubs 0.1-0.9 dm; leaf blades 2-6 mm wide. Vaccinium boreale 22 Shrubs 1-3 dm; leaf blades (5-)6-16(-20) mm wide. Vaccinium angustifolium

Grout Öfvers. Kongl. Vetensk.-Akad. Forh. 21: 226. 1864 Synonyms: Ditrichum boreale Treatment appears in FNA Volume 27. Treatment on page 460. Mentioned on

hairs. Sterile putative hybrids with D. leibergii and D. boreale are rare; those with D. boreale have been called Panicum calliphyllum Ashe. None. None.

erect or ascending; blade of the flag leaf erect or ascending Dichanthelium boreale 30 Culms 5-40(55) cm tall, delicate, usually less than 1 mm thick; spikelets

subsp. borealis John K. Morton Common names: Boreal starwort stellaire boréale Illustrated Synonyms: Spergulastrum lanceolatum Michaux Stellaria borealis

(40–)50–150 × 2–6 mm; boreal fens, northern Rockies, boreal Canada Symphyotrichum boreale 22 Distal leaves 10–36 × 1–4 mm; hot springs on tufa deposits, Nahanni River

Rhodora 54: 111. 1952. Ihsan A. Al-Shehbaz Endemic Basionym: Melanidion boreale Greene Ottawa Naturalist 25: 146. 1912 Synonyms: Acroschizocarpus kolianus Gombócz

glandulosum Lehmann Nov. Stirp. Pug. 2: 14. 1830 Synonyms: E. affine Bongard E. boreale Haussknecht E. brevistylum Barbey E. ciliatum var. glandulosum (Lehmann)

allopolyploid derivative of the cross between the calcareous fen species S. boreale and the widespread shore species S. novi-belgii (J. Labrecque and L. Brouillet

continuous series of hybrids between H. canadense and H. mutilum or H. boreale such that it is not always possible to say which of these species is involved

hybridizes also with H. mutilum, with subsp. mutilum in Maine, and with subsp. boreale in Michigan and Wisconsin. None. None. window.propertiesFromHigherTaxa=[{"rank":"section"

the capsule of G. aeruginosum; this intergrades with the concept of G. boreale Nyholm & Hedenäs, reported for Quebec by P. Boudier (2003), which is not

it an easily recognizable taxon. See the comments under 5. Schistidium boreale regarding differences among the North American species of Schistidium with

(including D. dichotomum, D. laxiflorum, D. ovale, D. commutatum, and D. boreale) probably occurs not infrequently. None. None. window.propertiesFromHig

northwestern portions of the continent. See comments under 5. Schistidium boreale regarding differences among S. strictum and other North American species

Mont., N.Y., Oreg., Wash., Eurasia. See comments under 5. Schistidium boreale regarding differences among the North American species of the genus with

dodgei (Fernald) G. L. Nesom, the latter possibly the hybrid S. dumosum × S. boreale fide G. L. Nesom 1997]; and var. subulifolium (Torrey & A. Gray) G. L. Nesom

probably the others as well) is reported to hybridize with Symphyotrichum boreale, S. laeve, S. lateriflore, S. racemosum (documented by J. C. Semple and

Molecular data indicate that P. californicum is not part of the acataphyllous Boreales group in the sense of W. Trelease (1916) but allied with cataphyllous tropical