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iNat·160276SpeciesPlantae779 field observations
  1. Plants
  2. ›Vascular Plants
  3. ›flowering plants
  4. ›Dicots
  5. ›Sunflowers, Bellflowers, Fanflowers, and Allies
  6. ›Sunflowers, Daisies, Asters, and Allies
  7. ›Thistles and Allies
  8. ›Cardueae
  9. ›Knapweeds and Allies
  10. ›Centaurea
  11. ›Centaurea
  12. ›Grossheimia
Giant Knapweed
Plate 1 of 7. (c) Laura Gaudette, some rights reserved (CC BY), uploaded by Laura Gaudette · via iNaturalist

Giant Knapweed

Centaurea macrocephala

Centaurea macrocephala is a species of flowering plant in the aster family, Asteraceae, and a member of the thistle tribe, Cynareae. It has many common names, including bighead knapweed, big yellow centaurea, lemon fluff, yellow bachelor's button, yellow hardhat, and Armenian basketflower.

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Where it lives

Recorded sightings

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geo-referenced records in GBIF, from museums, herbaria and field observers.

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In the stacks

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Every page naming Centaurea macrocephala in the Biodiversity Heritage Library →

This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 160276.