Subspecies: Svartknoppurt (Centaurea nigra subsp. nigra)
Spring phenology 2023-07-22 Gunvor Hustoft Hustoft gnr. 150/4 (Rogaland, Norway) | 2023-07-22 Flowering småøyentrøst 2023-07-18 Flowering stivdylle 2023-07-22 Flowering svartknoppurt |
Spring phenology 2023-07-22 Gunvor Hustoft Hustoft gnr. 150/4 (Rogaland, Norway) | 2023-07-22 Flowering småøyentrøst 2023-07-18 Flowering stivdylle 2023-07-22 Flowering svartknoppurt |