• Thumbnail for Centaurea nigra
    Centaurea nigra is a species of flowering plant in the family Asteraceae known by the common names lesser knapweed, common knapweed and black knapweed...
    5 KB (527 words) - 19:32, 25 September 2023
  • Thumbnail for Centaurea
    Centaurea pindicola Centaurea polypodiifolia Centaurea ×pratensis Salisb. (C. jacea × C. nigra) – meadow knapweed Centaurea procurrens Centaurea ×psammogena G...
    40 KB (3,850 words) - 22:27, 13 November 2024
  • Thumbnail for Centaurea jacea
    Britain and America, it is often found as a hybrid of black knapweed, Centaurea nigra. Unlike the black knapweed, the flower heads always look as if they...
    2 KB (188 words) - 00:50, 5 March 2024
  • British NVC community MG5 (Cynosurus cristatus - Centaurea nigra grassland) is one of the mesotrophic grassland communities in the British National Vegetation...
    3 KB (233 words) - 22:14, 6 December 2021
  • Thumbnail for Meadow knapweed
    knapweed (Centaurea × gerstlaueri), also known as hybrid knapweed or protean knapweed, is a fertile hybrid between black knapweed (Centaurea nigra) and brown...
    7 KB (777 words) - 20:58, 30 December 2023
  • misspelled as "nigra" Carex nigra, a perennial plant species native to wetlands of Europe and Siberia Crataegus nigra, a hawthorn species Centaurea nigra, a flowering...
    719 bytes (108 words) - 21:27, 23 June 2021
  • Thumbnail for Urophora jaceana
    Tephritidae. The host plant for the larvae is usually black knapweed (Centaurea nigra) or Centaurea debeauxii. United Kingdom & Finland. South to France, Italy...
    2 KB (142 words) - 22:24, 1 September 2023
  • Heldr. Centaurea achilleifolia Homrani-Bakali & Susanna Centaurea achtarovii Urum. Centaurea acicularis Sm. Centaurea acmophylla Boiss. Centaurea adamovicii...
    42 KB (3,208 words) - 09:59, 31 October 2023
  • Lanius ludovicianus Loggerheads or Centaurea, a genus of flowering plants Common knapweed or loggerheads (Centaurea nigra), a flowering plant Loggerhead sponge...
    2 KB (255 words) - 13:33, 24 September 2024
  • Thumbnail for High brown fritillary
    Canterbury. Dorsal side Ventral side female, form cleodoxa on Centaurea sadleriana on Centaurea nigra Savela, Markku. "Fabriciana Reuss, 1920". Lepidoptera and...
    15 KB (1,838 words) - 01:37, 11 August 2024
  • fish native to California Sciaenidae or hardheads, a family of fish Centaurea nigra or hardheads, a species of flowering plant in the daisy family Hardhead...
    792 bytes (123 words) - 13:23, 20 June 2024
  • duck Micropogonias undulatus, a species of fish Acroptilon repens Centaurea nigra This disambiguation page lists articles associated with the title Hardheads...
    325 bytes (59 words) - 19:11, 17 May 2018
  • Thumbnail for List of pollen sources
    thistle Centaurea spp. Jul – Sep Persian centaurea Centaurea dealbata hemp Knapweed Centaurea macrocephala Jul – Aug good Knapweed Centaurea nigra very light...
    20 KB (538 words) - 22:41, 22 October 2024
  • Thumbnail for Agonopterix carduella
    July to May. The larvae feed on Arctium, Carduus defloratus, Centaurea jacea, Centaurea nigra, Cirsium arvense, Cirsium helenioides and Cirsium vulgare....
    2 KB (103 words) - 17:05, 3 June 2024
  • Another type of mesotrophic pasture dominated by black knapweed (Centaurea nigra) and the grass Cynosurus cristatus, which is also widespread in western...
    20 KB (2,386 words) - 10:32, 30 July 2024
  • Thumbnail for Agonopterix kaekeritziana
    wing from July to September. The larvae feed on Centaurea species, including Centaurea nigra and Centaurea scabiosa. They feed in spun or rolled leaves of...
    2 KB (179 words) - 12:53, 12 January 2023
  • Thumbnail for Lixus pulverulentus
    palustre, Cirsium serrulatum, Carduus acanthoides, Silybum marianum, Centaurea nigra, Onopordum acanthium, Vicia faba, etc.) Pupation also takes place in...
    4 KB (276 words) - 15:29, 2 June 2024
  • Thumbnail for Burrington Combe
    which includes salad burnet (Sanguisorba minor), knapweed (Centaurea scabiosa and Centaurea nigra), rock-rose (Helianthemum nummularium) and wild thyme (Thymus...
    12 KB (1,323 words) - 15:08, 6 February 2024
  • Thumbnail for Agonopterix arenella
    The larvae feed on Arctium lappa, Carduus, Carlina, Centaurea jacea, Centaurea nigra, Centaurea scabiosa, Cirsium vulgare, Knautia, Serratula tinctoria...
    2 KB (191 words) - 18:26, 21 August 2022
  • Filipendula ulmaria subcommunity the Pastinaca sativa subcommunity the Centaurea nigra subcommunity Rodwell, J. S. (1992) British Plant Communities Volume...
    2 KB (181 words) - 15:22, 25 September 2023
  • Thumbnail for Galeruca tanaceti
    polyphagous, feeding on Asteraceae (Tanacetum vulgare, Achillea millefolium, Centaurea nigra, Tussilago, Cirsium arvense), Brassicaceae (Cardamine pratensis, Sinapis...
    5 KB (436 words) - 10:39, 18 May 2024
  • pratensis - Sanguisorba officinalis grassland MG5 Cynosurus cristatus - Centaurea nigra grassland Centaureo-Cynosuretum cristati Br.-Bl. & Tx 1952 MG6 Lolium...
    33 KB (2,770 words) - 11:21, 6 July 2023
  • Thumbnail for Thorpe Hay Meadow
    (acid-alkali) neutral grassland and it contains Cynosurus cristatus - Centaurea nigra grassland as a notified feature. The site is thought to be the last...
    4 KB (377 words) - 01:54, 20 April 2022
  • Thumbnail for Coleophora conspicuella
    sedifolius, Aster sedifolius canus, Centaurea aspera, Centaurea jacea, Centaurea montana, Centaurea nigra, Centaurea scabiosa and Chrysanthemum species...
    4 KB (220 words) - 21:37, 17 March 2024
  • Thumbnail for Epiblema cirsiana
    on wing from May to June. The larvae feed on Cirsium palustre and Centaurea nigra. They feed in the stems and roots of their host plant. Wikimedia Commons...
    2 KB (179 words) - 06:32, 2 December 2023
  • Thumbnail for Nempnett Thrubwell
    The site is characterised by the nationally rare Common Knapweed (Centaurea nigra) and Crested Dog’s-tail (Cynosurus cristatus) and dominant grasses...
    17 KB (2,059 words) - 16:56, 2 October 2024
  • Thumbnail for Aethes smeathmanniana
    including Achillea millefolium and Centaurea species. Other recorded food plants include Anthemis cotula, Centaurea nigra and Lactuca sativa. Tortricidae...
    2 KB (138 words) - 16:11, 13 May 2024
  • Thumbnail for California Country Park
    flora: Alnus glutinosa Rowan Quercus robur Hazel Aspen Mentha pulegium Centaurea nigra Rorippa palustris Circaea lutetiana Molinia caerulea Juncus effusus...
    9 KB (951 words) - 08:50, 19 May 2024
  • Thumbnail for Josias Braun-Blanquet
    also widespread in western Europe but dominated by black knapweed (Centaurea nigra) and crested dog's-tail (Cynosurus cristatus) – is consequently named...
    4 KB (435 words) - 19:34, 30 June 2024
  • Thumbnail for Deschambault-Grondines
    Hesperis matronalis L. — Dame's rocket Malva moschata L. — Musk mallow Centaurea nigra L. ― Black knapweed Impatiens glandulifera Royle. ― Giant Impatiens...
    32 KB (2,686 words) - 08:43, 9 October 2024