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  • Extensive survey of chromosome number and karyotype indicated two major ploidy groups in Crepis, corresponding to New World and Old World species complexes
    18 KB (964 words) - 20:06, 29 July 2020
  • while the morphological differences are slight (see esp. Abuhadra), the ploidy-level difference (2n = 40 in var. serpyllifolia vs. 2n = 20 in var. tenuior)
    9 KB (818 words) - 10:08, 30 July 2020
  • species are found in temperate climates worldwide at tetraploid to octaploid ploidy levels, extant diploid species are concentrated in North America. The diploid
    13 KB (711 words) - 15:29, 15 December 2020
  • self-compatible. Ludwigia octovalvis is extremely variable in morphology and ploidy level, and the entire section is in need of taxonomic revision. None. Ludwigia
    5 KB (665 words) - 21:01, 7 June 2022
  • Arctostaphylos species and is the only one found outside of North America. Two ploidy levels are common, and populations sometimes contain both diploids and tetraploids
    10 KB (1,025 words) - 13:11, 30 July 2020
  • Campbell et al. 1985; A. C. Dibble et al. 1998; M. B. Burgess et al., unpubl.). Ploidy levels noted for each taxon in the treatment below (2n = 2x indicates diploidy
    22 KB (1,558 words) - 13:48, 30 July 2020
  • annual weed species complex Polygonum aviculare (Polygonaceae) in relation to ploidy level and colonizing ability. Pl. Syst. Evol. 211: 239–256. Styles, B. T
    13 KB (1,114 words) - 10:09, 30 July 2020
  • the bracteate portion of the raceme. Occurrence of “races” with various ploidy levels is one of the reasons for variability that led to recognition of
    11 KB (1,071 words) - 12:31, 30 July 2020
  • some of which has often been given taxonomic recognition on the basis of ploidy level, sexuality, vestiture, leaflet shape, and flower size. The phase that
    8 KB (872 words) - 14:11, 30 July 2020
  • subspecies of Dudleya saxosa differ mostly in size of parts and in level of ploidy. None. Dudleya saxosa subsp. aloides, Dudleya saxosa subsp. collomiae, Dudleya
    6 KB (589 words) - 13:01, 30 July 2020
  • slight and inconsistent for recognition at the specific level. In Europe, two ploidy levels are treated as subspecies, diploid A. ruta-muraria subsp. dolomiticum
    8 KB (653 words) - 00:29, 30 July 2020
  • the two taxa can occur side by side and maintain their identities where ploidy level differs. None. None. window.propertiesFromHigherTaxa=[{"rank":"species"
    6 KB (680 words) - 23:56, 29 July 2020
  • distributional range of the species. Because the correlation between morphology and ploidy level breaks down across the distributional range, no infraspecific taxa
    7 KB (580 words) - 05:47, 30 July 2020
  • and polyploidy. For example, S. arctica and S. glauca each display several ploidy levels, as well as many hybrids; both species probably evolved through repeated
    35 KB (4,327 words) - 12:03, 30 July 2020
  • supernumerary petals has spread from cultivation in northern Michigan. The ploidy level(s) of populations in the flora area have not been investigated. Darwent
    6 KB (846 words) - 10:22, 30 July 2020
  • horticultural purposes and it may be found outside its native range. Four ploidy levels were documented across the range of var. douglasii by J. S. Mooring
    8 KB (1,016 words) - 22:32, 29 July 2020
  • of the C. gossypina complex documented, and the cytogeography of the four ploidy levels in C. mariana described (Semple 1977; Semple et al. 1980; Semple
    16 KB (980 words) - 21:51, 29 July 2020
  • Tetraploids appear to be the most common ploidy level, especially in the upper midwest and northern plains, with higher ploidy levels being more common southwards
    11 KB (1,507 words) - 04:08, 30 July 2020
  • Appalachian Plateaus, Valley and Ridge, and Blue Ridge regions. All four ploidy levels occur in partially overlapping areas in Florida, but only the hexaploid
    9 KB (781 words) - 21:51, 29 July 2020
  • intergradation. In the latter area, the taxa apparently are at different ploidy levels. None. None. "thick" is not a number.window.propertiesFromHigher
    4 KB (608 words) - 20:55, 29 July 2020

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