Cyperaceae Cyperaceae Cyperaceae Cyperaceae Carex rufina Carex eleusinoides Carex nigra Carex aperta Carex haydenii Carex emoryi Carex interrupta Carex torta Carex
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thuillieri, and as a subspecies of C. nigra. For spontaneous interspecific hybrids between C. jacea and C. nigra the name C. ×moncktonii C. E. Britton
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Juglandaceae Juglans hindsii Juglans californica Juglans major var. major Juglans nigra Juglans cinerea Carya tomentosa Juglans microcarpa John Myers John Myers
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brevifolia Peck Picea mariana var. brevifolia (Peck) Rehder Picea nigra Aiton Pinus nigra Treatment appears in FNA Volume 2. Trees to 25m (often shrublike);
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have been shed. Because trees of the commonly cultivated, introduced P. nigra, P. simonii, and P. ×canadensis are rarely anything but staminate in North
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between P. fremontii and P. nigra known only from the type locality along Coyote Creek, San Jose, California, where P. nigra was the seed parent (J. E.
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with attenuate bases have been recognized as Quercus nigra var. tridentifera Sargent. Quercus nigra reportedly hybridizes with Q. falcata (= Q. ×garlandensis
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vallicola (Dudley) C. R. Ball Salix gooddingii var. variabilis C. R. Ball Salix nigra var. vallicola Dudley Treatment appears in FNA Volume 7. Treatment on page
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Kunth Nemexia cerulea Rafinesque Nemexia herbacea (Linnaeus) Small Nemexia nigra Rafinesque Smilax herbacea subsp. crispifolia Pennell Smilax herbacea var
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38. 1922. David F. Murray IllustratedEndemic Synonyms: Carex atrata var. nigra W. Boott Treatment appears in FNA Volume 23. Treatment on page 411. Mentioned
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Amygdaloideae tribeRosaceae tribe Amygdaleae genusPrunus speciesPrunus nigra Aiton Hort. Kew. 2: 165. 1789. Joseph R. Rohrer Common names: Canada plum prunier
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Betulaceae Betulaceae Betulaceae Betula alleghaniensis Betula papyrifera Betula nigra John Myers John Myers John Myers Casuarinaceae Betulaceae Casuarinaceae Betulaceae
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exotic species of Pinus have been reported as naturalized in the flora: P. nigra Arnott (Illinois) and P. thunbergiana Franco (P. thunbergii Parlatore) (Massachusetts)
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but usually linear or narrowly elliptic, as in S. nigra. The stipules are not as prominent as in S. nigra but are foliaceous on late leaves; it should be
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show a very close relationship to B. nigra, consistent with Linnaeus’s original description of this species as S. nigra. Baillargeon, G. 1986. Eine taxonomische
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naturalized populations are introgressed with J. nigra, since spontaneous hybridization between J. hindsii and J. nigra has been reported in areas where both species
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Koch Centaurea jacea subsp. ×pratensis (W. D. J. Koch) Celakovsky Centaurea nigra var. radiata de Candolle Centaurea thuillieri Treatment appears in FNA Volume
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distributed polymorphic species such as S. maritima, S. calceoliformis, and S. nigra. Much of the variation in these taxa appears to be due to environmental factors
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Chile. Mexico to central Chile. Salix humboldtiana is closely related to S. nigra in its generally narrow leaf blades, which are not glaucous abaxially. The
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regions, North America, Europe, and Asia. Species 10 (3 in the flora). Morus nigra Linnaeus has been reported in floras by various authors (J. K. Small 1903
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