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breweriana, Picea engelmannii, Picea glauca, Picea mariana, Picea pungens, Picea rubens, Picea sitchensis A. Dietrich Fl. Berlin 2: 794. 1824. Ronald J. Taylor

gemmascens, Rosulabryum laevifilum, Rosulabryum pseudocapillare, Rosulabryum rubens, Rosulabryum torquescens J. R. Spence Bryologist 99: 222. 1996. John R.

sect. Genea Show Lower Taxa Bromus diandrus, Bromus madritensis, Bromus rubens, Bromus sterilis, Bromus tectorum Dumort. Leon E. Pavlickf Treatment appears

LAYOUT:treatment:TUOYAL familyPinaceae genusPicea speciesPicea rubens Sargent Silva 12: 33, plate 597. 1898. Ronald J. Taylor Common names: Red spruce épinette

Pinaceae Pinaceae Pinaceae Pinaceae Picea breweriana Picea engelmannii Picea rubens Picea glauca Picea sitchensis John Myers John Myers John Myers John Myers

genusRosulabryum speciesRosulabryum rubens (Mitten) J. R. Spence Novon 19: 399. 2009. John R. Spence Basionym: Bryum rubens Mitten Hooker's J. Bot. Kew Gard

Genea speciesBromus rubens L. Leon E. Pavlickf Common names: Foxtail chess Red brome Introduced Synonyms: Bromus madritensis subsp. rubens Treatment appears

(as S. ×rubens); but a study by K. De Cock et al. (2003), also using AFLP markers, was unable to resolve S. alba and S. ×fragilis (as S. ×rubens). They

Picea mariana (black spruce). White spruce (P. glauca) and red spruce (P. rubens) are less commonly infected. Occasional to rare hosts include Abies balsamea

(late Jun–mid Jul). Habitat: Grassy balds, openings in red spruce (Picea rubens Sargent)–Fraser fir (Abies fraseri (Pursh) Poiret) forests, moist hardwood

Pinaceae Pinaceae Pinaceae Pinaceae Picea breweriana Picea engelmannii Picea rubens Picea glauca Picea sitchensis John Myers John Myers John Myers John Myers

(as S. ×rubens); but a study by K. De Cock et al. (2003), also using AFLP markers, was unable to resolve S. alba and S. ×fragilis (as S. ×rubens). They

related R. rubens. In addition to tuber and awn differences, the cells of the tubers in R. bornholmense are 45–60 µm wide, while those of R. rubens are 30–35

Allenrolfea occidentalis, Plantago insularis, Eremalche parryi, Bromus rubens, and Festuca spp. D. Taylor and D. H. Wilken (1993) noted that this variety

, R.I., Vt., Wis. To a limited extent, Picea mariana hybridizes with P. rubens, e.g., on disturbed sites in eastern Canada. Natural hybridization with

associated vascular plants are Thuja occidentalis, Abies balsamea, and Picea rubens. Bryophytes typically associated with it are S. centrale, S. squarrosum

white spruce (Picea glauca), black spruce (P. mariana), and red spruce (P. rubens)--- were dominant within boreal forests 18,000 yr B.P. (fig. 4.5). A full-glacial

both being replaced to the south by the endemic Abies fraseri and Picea rubens. Unfortunately this forest is now under severe stress from acid rain and

transition, boreal species such as Picea glauca (in the west) and Picea rubens (in the east) become more important. Picea mariana and Larix laricina dominate