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  • lenticularis, Carex lyngbyei, Carex mitchelliana, Carex nebrascensis, Carex nigra, Carex nudata, Carex obnupta, Carex paleacea, Carex ramenskii, Carex recta
    14 KB (773 words) - 20:42, 5 November 2020
  • laevis, Quercus laurifolia, Quercus marilandica, Quercus myrtifolia, Quercus nigra, Quercus pagoda, Quercus palustris, Quercus phellos, Quercus pumila, Quercus
    22 KB (385 words) - 16:42, 30 November 2022
  • mexicana, Prunus minutiflora, Prunus murrayana, Prunus myrtifolia, Prunus nigra, Prunus padus, Prunus pensylvanica, Prunus persica, Prunus pumila, Prunus
    39 KB (1,897 words) - 22:57, 5 November 2020
  • Betula minor, Betula murrayana, Betula nana, Betula neoalaskana, Betula nigra, Betula occidentalis, Betula papyrifera, Betula pendula, Betula populifolia
    17 KB (1,146 words) - 21:51, 5 November 2020
  • elongata, Brassica fruticulosa, Brassica juncea, Brassica napus, Brassica nigra, Brassica oleracea, Brassica rapa, Brassica tournefortii Linnaeus Sp. Pl
    8 KB (654 words) - 22:35, 5 November 2020
  • Centaurea macrocephala, Centaurea melitensis, Centaurea montana, Centaurea nigra, Centaurea nigrescens, Centaurea phrygia, Centaurea scabiosa, Centaurea solstitialis
    16 KB (1,523 words) - 19:37, 6 November 2020
  • caroliniana, Salix gooddingii, Salix humboldtiana, Salix laevigata, Salix nigra Andersson in A. P. de Candolle and A. L. P. P. de Candolle, Prodr. 16(2):
    2 KB (173 words) - 22:31, 5 November 2020
  • Limbogermen Show Lower Taxa Suaeda californica, Suaeda conferta, Suaeda nigra, Suaeda tampicensis, Suaeda taxifolia Iljin Sovetsk. Bot. 5: 47. 1936. Wayne
    4 KB (243 words) - 22:00, 5 November 2020
  • Illustrated Basionym: Carex acuta var. nigra Linnaeus Sp. Pl. 2: 978. 1753 Synonyms: Carex ×aquanigra B. Boivin Carex nigra var. strictiformis (L. H. Bailey)
    4 KB (459 words) - 20:42, 5 November 2020
  • Juglans cinerea, Juglans hindsii, Juglans major, Juglans microcarpa, Juglans nigra Linnaeus Sp. Pl. 2: 997. 175. , Gen. Pl. ed. 5, 431. 1754. Alan T. Whittemore
    6 KB (496 words) - 21:45, 5 November 2020
  • Variation of Juglans nigra in central Texas and south-central Oklahoma should be studied; specimens seemingly intermediate between J. nigra and both J. major
    4 KB (409 words) - 21:49, 5 November 2020
  • familyBetulaceae subfamilyBetulaceae subfam. Betuloideae genusBetula speciesBetula nigra Linnaeus Sp. Pl. 2: 982. 1753. John J. Furlow Common names: River birch red
    4 KB (388 words) - 21:51, 5 November 2020
  • pistillate tree of P. nigra (J. E. Eckenwalder 1982). It resembles P. fremontii in leaf shape but has dark reddish brown winter buds. Populus nigra and P. ×canadensis
    10 KB (1,262 words) - 17:16, 6 November 2020
  • familyAsteraceae tribeAsteraceae tribe Cardueae genusCentaurea speciesCentaurea nigra Linnaeus Sp. Pl. 2: 911. 1753. David J. Keil, Jörg Ochsmann Common names:
    4 KB (345 words) - 19:50, 5 November 2020
  • familyChenopodiaceae genusSuaeda sectionSuaeda sect. Limbogermen speciesSuaeda nigra (Rafinesque) J. F. Macbride Contr. Gray Herb. 56: 50. 1918. Wayne R. Ferren
    7 KB (761 words) - 22:00, 5 November 2020
  • dentata (Nuttall) Rafinesque Trilopus estivalis Rafinesque Trilopus nigra (Linnaeus) Rafinesque Trilopus nigra var. catesbiana Rafinesque Trilopus parvifolia Trilopus
    6 KB (608 words) - 21:48, 5 November 2020
  • Synonyms: Aronia nigra (Willdenow) Koehne Photinia melanocarpa (Michaux) K. R. Robertson & J. B. Phipps Pyrus arbutifolia var. nigra Willdenow P. melanocarpa (Michaux)
    4 KB (271 words) - 22:59, 5 November 2020
  • Basionym: Picea rubra (DuRoi) Link 1831, Synonyms: Picea australis Small Picea nigra var. rubra (DuRoi) Engelmann Treatment appears in FNA Volume 2. Illustrator:
    3 KB (280 words) - 20:22, 5 November 2020
  • familyBrassicaceae tribeBrassicaceae tribe Brassiceae genusBrassica speciesBrassica nigra (Linnaeus) W. D. J. Koch in J. C. Röhling, Deutschl. Fl. ed. 3, 4: 713. 1833
    4 KB (453 words) - 22:35, 5 November 2020
  • Humboldtianae speciesSalix nigra Marshall Arbust. Amer., 139. 1785. George W. Argus Common names: Black willow WeedyIllustrated Synonyms: Salix nigra var. falcata (Pursh)
    5 KB (508 words) - 22:32, 5 November 2020
  • Cyperaceae Cyperaceae Cyperaceae Cyperaceae Carex rufina Carex eleusinoides Carex nigra Carex aperta Carex haydenii Carex emoryi Carex interrupta Carex torta Carex
    20 KB (923 words) - 20:37, 5 November 2020
  • 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
    9 KB (1,196 words) - 19:50, 5 November 2020
  • Juglandaceae Juglans hindsii Juglans californica Juglans major var. major Juglans nigra Juglans cinerea Carya tomentosa Juglans microcarpa John Myers John Myers
    4 KB (368 words) - 21:47, 5 November 2020
  • brevifolia Peck Picea mariana var. brevifolia (Peck) Rehder Picea nigra Aiton Pinus nigra Treatment appears in FNA Volume 2. Trees to 25m (often shrublike);
    4 KB (332 words) - 21:24, 20 February 2024
  • have been shed. Because trees of the commonly cultivated, introduced P. nigra, P. simonii, and P. ×canadensis are rarely anything but staminate in North
    29 KB (2,619 words) - 22:31, 5 November 2020
  • 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.
    6 KB (715 words) - 17:15, 6 November 2020
  • with attenuate bases have been recognized as Quercus nigra var. tridentifera Sargent. Quercus nigra reportedly hybridizes with Q. falcata (= Q. ×garlandensis
    4 KB (424 words) - 21:48, 5 November 2020
  • 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
    6 KB (721 words) - 22:32, 5 November 2020
  • Kunth Nemexia cerulea Rafinesque Nemexia herbacea (Linnaeus) Small Nemexia nigra Rafinesque Smilax herbacea subsp. crispifolia Pennell Smilax herbacea var
    4 KB (267 words) - 21:18, 5 November 2020
  • 38. 1922. David F. Murray IllustratedEndemic Synonyms: Carex atrata var. nigra W. Boott Treatment appears in FNA Volume 23. Treatment on page 411. Mentioned
    3 KB (224 words) - 20:42, 5 November 2020
  • Amygdaloideae tribeRosaceae tribe Amygdaleae genusPrunus speciesPrunus nigra Aiton Hort. Kew. 2: 165. 1789. Joseph R. Rohrer Common names: Canada plum prunier
    4 KB (412 words) - 22:58, 5 November 2020
  • Betulaceae Betulaceae Betulaceae Betula alleghaniensis Betula papyrifera Betula nigra John Myers John Myers John Myers Casuarinaceae Betulaceae Casuarinaceae Betulaceae
    11 KB (1,145 words) - 21:52, 5 November 2020
  • exotic species of Pinus have been reported as naturalized in the flora: P. nigra Arnott (Illinois) and P. thunbergiana Franco (P. thunbergii Parlatore) (Massachusetts)
    26 KB (1,313 words) - 20:22, 5 November 2020
  • 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
    6 KB (728 words) - 22:32, 5 November 2020
  • 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
    5 KB (447 words) - 22:35, 5 November 2020
  • naturalized populations are introgressed with J. nigra, since spontaneous hybridization between J. hindsii and J. nigra has been reported in areas where both species
    4 KB (414 words) - 21:48, 5 November 2020
  • Koch Centaurea jacea subsp. ×pratensis (W. D. J. Koch) Celakovsky Centaurea nigra var. radiata de Candolle Centaurea thuillieri Treatment appears in FNA Volume
    5 KB (460 words) - 19:50, 5 November 2020
  • 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
    7 KB (654 words) - 22:00, 5 November 2020
  • 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
    3 KB (333 words) - 18:04, 30 April 2021
  • 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
    3 KB (245 words) - 21:51, 5 November 2020
  • outside cultivation, but at least three other species, A. calcarata Roscoe, A. nigra (Gaertner) B. L. Burtt, and A. officinarum Hance, may persist for many years
    3 KB (241 words) - 20:31, 5 November 2020
  • disjunct in the Danube basin of central Europe, represented there by Crataegus nigra. Some of the most diagnostic features of this section are the usually short
    3 KB (332 words) - 23:00, 5 November 2020
  • Streptanthus niger Greene Bull. Torrey Bot. Club 13: 141. 1886 Synonyms: Euklisia nigra (Greene) Greene Streptanthus glandulosus var. niger (Greene) Munz Treatment
    3 KB (169 words) - 22:31, 5 November 2020
  • checkerspot (Euphydryas phaeton) on C. glabra as well as sawfly larvae (Macrophya nigra and Tenthredo grandis), which are known from C. glabra and C. obliqua. One
    7 KB (729 words) - 22:15, 14 January 2021
  • Salix lucida × S. nigra (S. ×schneideri B. Boivin) seems to be a rare intersubgeneric hybrid between tetraploid S. lucida and diploid S. nigra. It is known
    7 KB (879 words) - 22:33, 5 November 2020
  • haydenii are ladder-fibrillose. Although often sympatric with C. stricta and C. nigra, no hybrids appear to be formed. None. None. window.propertiesFromHigher
    4 KB (336 words) - 20:42, 5 November 2020
  • Juglandaceae Juglans hindsii Juglans californica Juglans major var. major Juglans nigra Juglans cinerea Carya tomentosa Juglans microcarpa John Myers John Myers
    183 bytes (0 words) - 22:01, 19 November 2020
  • and S. nigra. Hybrids with S. petiolaris have been reported (M. L. Fernald 1950) but no convincing specimens have been seen. Salix alba × S. nigra is an
    12 KB (1,602 words) - 22:32, 5 November 2020
  • Betulaceae Betulaceae Betulaceae Betula alleghaniensis Betula papyrifera Betula nigra John Myers John Myers John Myers Casuarinaceae Betulaceae Casuarinaceae Betulaceae
    181 bytes (0 words) - 22:00, 19 November 2020
  • Cyperaceae Cyperaceae Cyperaceae Cyperaceae Carex rufina Carex eleusinoides Carex nigra Carex aperta Carex haydenii Carex emoryi Carex interrupta Carex torta Carex
    181 bytes (0 words) - 22:01, 19 November 2020
  • Eurasian P. nigra. That hybrid, P. ×rollandii Rouleau, which was originally thought to have involved P. ×canadensis, itself a hybrid offspring of P. nigra, has
    9 KB (1,196 words) - 22:34, 5 November 2020
  • of Mexico to central Chile. Salix humboldtiana is closely related to S. nigra in its generally narrow leaf blades, which are not glaucous abaxially. The
    7 KB (736 words) - 22:32, 5 November 2020
  • this variety only from Mexico. Intermediates between J. microcarpa and J. nigra (q.v.) are also known. None. None. window.propertiesFromHigherTaxa=[{"rank":"genus"
    3 KB (340 words) - 21:52, 5 November 2020
  • Specimens intermediate between Juglans major and both J. microcarpa and J. nigra are discussed under the latter species. None. None. window.propertiesFro
    3 KB (300 words) - 21:48, 5 November 2020
  • laevis (= Q. ×asheana Little), Q. marilandica (= Q. ×cravenensis Little), Q. nigra (= Q. ×caduca Trelease), and Q. phellos (E. J. Palmer 1948); with Q. pumila
    4 KB (374 words) - 21:52, 5 November 2020
  • all of these names are ultimately based, is conspecific with that of P. nigra, and thus mollis and lanata are misapplied as infraspecific epithets of P
    7 KB (792 words) - 22:58, 5 November 2020
  • highly brittle at base; pistillate adaxial nectaries oblong (swollen). Salix nigra 3 Branches yellow-brown to gray-brown; capsules 6-7 mm; stipules on early
    10 KB (770 words) - 22:31, 5 November 2020
  • misidentified as C. nigrescens (or one or another of its synonyms) or as C. nigra. The elongate, often recurved, setose-ciliate tips of the phyllary appendages
    4 KB (410 words) - 19:50, 5 November 2020
  • hybridize with C. aquatilis and has been observed to form hybrids with C. nigra. Standley, L. A. 1989. Taxonomic revision of the Carex stricta complex in
    5 KB (486 words) - 20:42, 5 November 2020
  • from Greenland are based on plants of Carex subspathacea or hybrids of C. nigra with C. subspathacea or C. lyngbyei. Previous records from northern Northwest
    4 KB (468 words) - 20:42, 5 November 2020
  • arkansana reportedly hybridizes with Q. incana (= Q. ×venulosa Ashe) and Q. nigra (D. M. Hunt 1986; W. H. Duncan and M. B. Duncan 1988). While agreeing that
    4 KB (352 words) - 21:45, 5 November 2020
  • 1970); with Q. arkansana, Q. inopina, Q. marilandica, Q. myrtifolia, Q. nigra, Q. phellos, Q. pumila, and Q. shumardii (D. M. Hunt 1989); and with Q. incana
    4 KB (419 words) - 21:48, 5 November 2020
  • Trelease) and Q. incana (E. J. Palmer 1948); and with Q. marilandica, Q. nigra, Q. pagoda (= Q. ×ludoviciana Sargent), Q. palustris, Q. rubra, Q. shumardii
    4 KB (353 words) - 21:52, 5 November 2020
  • Duncan 1988). It reportedly hybridizes with Q. falcata, Q. incana, and Q. nigra (H. A. Fowells 1965); with Q. hemisphaerica, Q. marilandica, Q. myrtifolia
    4 KB (328 words) - 21:52, 5 November 2020
  • misidentified as Q. sinuata, which it superficially resembles, or as Q. nigra, a red oak with similarly shaped leaves. It is easily distinguished from
    4 KB (389 words) - 21:50, 5 November 2020
  • ×beaumontiana Sargent), and Q. marilandica (E. J. Palmer 1948); with Q. nigra, and Q. pagoda (S. A. Ware 1967; R. J. Jensen 1989); and with Q. phellos
    4 KB (376 words) - 21:48, 5 November 2020
  • included S. interior (subg. Longifoliae) along with S. amygdaloides and S. nigra (placed here in subg. Protitea); 1b) included Asian S. chaenomelioides (subg
    32 KB (4,205 words) - 22:31, 5 November 2020
  • Plants with young, expanding leaves sometimes are mistaken for Quercus nigra, a member of the red oak group. None. Quercus sinuata var. breviloba, Quercus
    5 KB (478 words) - 16:59, 6 November 2020
  • America (Guatemala). Hybrids: Salix caroliniana forms natural hybrids with S. nigra. Hybrids with S. amygdaloides have been reported (N. M. Glatfelter 1898);
    5 KB (571 words) - 22:32, 5 November 2020
  • Jepson 1909–1943, vol. 2). Hirschfeldia incana can be confused with Brassica nigra because both have fruits appressed to the rachis. The former is distinguished
    4 KB (355 words) - 22:35, 5 November 2020
  • Carex vacillans represents the apparently stabilized hybrid between C. nigra and C. paleacea. It occurs frequently within the common range of the two
    5 KB (530 words) - 20:42, 5 November 2020
  • C. recta × C. aquatilis subsp. minor are C. aquatilis × C. recta; Carex nigra × C. recta (= C. ×super-goodenoughii (Kükenthal) Lepage) is C. vacillans
    5 KB (570 words) - 20:45, 18 February 2022
  • subspathacea × C. bigelowii), C. ×reducta S. Drejer (= C. subspathacea × C. nigra), C. ×dumanii E. Lepage (= C. subspathacea × C. paleacea), C. ×kenaica E
    4 KB (456 words) - 15:14, 9 December 2021
  • C. bigelowii), C. ×saxenii M. Raymond (= C. paleacea × C. recta). Carex nigra × C. paleacea (= C. ×subnigra E. Lepage) is C. vacillans, and C. paleacea
    5 KB (530 words) - 20:42, 5 November 2020
  • reportedly hybridizes with Q. marilandica (= Q. ×smallii Trelease) and Q. nigra, although D. M. Hunt (1989) has questioned the validity of the former report
    3 KB (261 words) - 21:48, 5 November 2020
  • between two Eurasian species, P. laurifolia Ledebour (sect. Tacamahaca) and P. nigra Linnaeus (sect. Aigeiros). It has an upright growth habit and leaves similar
    8 KB (1,020 words) - 22:34, 5 November 2020
  • The species is an allotetraploid derived from hybridization between B. nigra (n = 8) and B. rapa (n = 10). Its center of origin is uncertain but is most
    5 KB (564 words) - 22:35, 5 November 2020
  • arkansana, Q. hemisphaerica, Q. inopina, Q. laurifolia, Q. marilandica, Q. nigra, and Q. pumila (Hunt suggested that the last may give rise to occasional
    4 KB (356 words) - 21:47, 5 November 2020
  • 1948) and with Q. imbricaria (= Q. ×exacta Trelease), Q. marilandica, Q. nigra, Q. phellos (= Q. ×schochiana Dieck), Q. rubra, Q. shumardii, and Q. velutina
    4 KB (370 words) - 21:49, 5 November 2020
  • (= Q. ×egglestoni Trelease), Q. laevis, Q. laurifolia, Q. marilandica, Q. nigra, Q. palustris (= Q. ×mutabilis E. J. Palmer & Steyermark), Q. phellos (=
    4 KB (438 words) - 21:51, 5 November 2020
  • imbricaria [= Q. ×tridentata (A. de Candolle) Engelmann], Q. incana, Q. nigra, Q. phellos (Q. ×rudkini Britton), and Q. velutina (= Q. ×bushii Sargent)
    4 KB (450 words) - 21:52, 5 November 2020
  • hemisphaerica, Q. incana, and Q. marilandica (C. S. Sargent 1918); with Q. nigra; and with Q. arkansana, Q. coccinea, Q. myrtifolia, Q. phellos, Q. shumardii
    4 KB (336 words) - 21:52, 5 November 2020
  • Palmer [1948] challenged the validity of this claim), Q. marilandica, Q. nigra, Q. palustris (= Q. ×vaga E. J. Palmer & Steyermark), Q. phellos (= Q. ×filialis
    5 KB (498 words) - 21:52, 5 November 2020
  • Engelmann], and Q. marilandica (E. J. Palmer 1948; D. M. Hunt 1989); with Q. nigra (D. M. Hunt 1989); and with Q. palustris (= Q. ×columnaris Laughlin), Q.
    5 KB (570 words) - 19:33, 6 November 2020
  • pollen. The hybrid plants are often misidentified as S. “fragilis” or as S. nigra. In the flora area, reproduction of the hybrid seems to be mainly by stem
    6 KB (694 words) - 22:31, 5 November 2020
  • D. M. Hunt (1989) have suggested hybridization with Q. shumardii and Q. nigra, respectively. See L. J. Dorr and K. C. Nixon (1985) for an explanation of
    5 KB (537 words) - 21:46, 5 November 2020
  • commercial scale are cottonwood (Populus spp.) and black walnut (Juglans nigra). Much of the farmland in the southeastern United States is now devoted to
    20 KB (2,752 words) - 22:04, 13 February 2019
  •  Woodwardia, andThelypteris. The cooccurrence in swamps of black ash (Fraxinus nigra), red maple (Acer rubrum), and yellow birch (Betula alleghaniensis), as well
    69 KB (10,503 words) - 22:43, 13 February 2019
  • of the year. Dominant trees include Quercus michauxii, Q. falcata, and Q. nigra on fine-textured soils, and Quercus virginiana on sandy sites. Understory
    133 KB (20,036 words) - 17:33, 13 February 2019