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- lenticularis, Carex lyngbyei, Carex mitchelliana, Carex nebrascensis, Carex nigra, Carex nudata, Carex obnupta, Carex paleacea, Carex ramenskii, Carex recta14 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, Quercus22 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, Prunus39 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 populifolia17 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. Pl8 KB (654 words) - 22:35, 5 November 2020
- Centaurea macrocephala, Centaurea melitensis, Centaurea montana, Centaurea nigra, Centaurea nigrescens, Centaurea phrygia, Centaurea scabiosa, Centaurea solstitialis16 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. Wayne4 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. Whittemore6 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. major4 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 red4 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. ×canadensis10 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. Ferren7 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 Trilopus6 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. 18334 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 Carex20 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. Britton9 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 Myers4 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 North29 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. ×garlandensis4 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 page6 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 var4 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. Mentioned3 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 prunier4 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 Betulaceae11 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 be6 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 taxonomische5 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 species4 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 Volume5 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 factors7 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. The3 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 19033 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 years3 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 short3 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 Treatment3 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. One7 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 known7 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.propertiesFromHigher4 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 Myers183 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 an12 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 Betulaceae181 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 Carex181 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, has9 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. The7 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.propertiesFro3 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. pumila4 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 P7 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 early10 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 appendages4 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 in5 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 Northwest4 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 that4 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. incana4 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. shumardii4 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. myrtifolia4 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 from4 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. phellos4 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 (subg32 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, Quercus5 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 distinguished4 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 two5 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. vacillans5 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 E4 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. paleacea5 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 report3 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 similar8 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 most5 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 occasional4 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. velutina4 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. shumardii4 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. ×filialis5 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 stem6 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 of5 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 to20 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 well69 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. Understory133 KB (20,036 words) - 17:33, 13 February 2019