Centaurea dubia Suter ssp. vochinensis (Bernh. ex Rchb.) Hayek
Centaurea pratensis Thuill.， non Salisb.， nom. illeg.
Centaurea vochinensis Bernh. ex Rchb.
Centaurea nigrescens Willd.
Short-fringed knapweed, Tyrol knapweed
[An article has not been written yet.]
Centaurea debeauxii Gren. & Godr. ssp. thuillieri Dostál
Centaurea dubia Suter ssp. vochinensis (Bernh. ex Rchb.) Hayek
Centaurea pratensis Thuill.， non Salisb.， nom. illeg.
Centaurea vochinensis Bernh. ex Rchb.
Centaurea dubia Suter ssp. vochinensis (Bernh. ex Rchb.) Hayek
Centaurea pratensis Thuill.， non Salisb.， nom. illeg.
Centaurea vochinensis Bernh. ex Rchb.
7/17/2019 · Oceanview, Falmouth, Maine · ≈ 5 × 3½″ (13 × 9.2 cm) 
7/17/2019 · Oceanview, Falmouth, Maine · ≈ 6 × 4″ (16 × 11 cm) 
7/18/2020 · Woodward Point Preserve, Brunswick, Maine · ≈ 4 × 3½″ (9.9 × 9 cm) 
7/18/2020 · Woodward Point Preserve, Brunswick, Maine · ≈ 6 × 4″ (16 × 11 cm) 
7/17/2019 · Oceanview, Falmouth, Maine · ≈ 5 × 4″ (12 × 10 cm) 
7/7/2025 · Woodward Point Preserve, Brunswick, Maine · ≈ 3 × 4″ (8.4 × 10 cm) 
ID is uncertain 
7/18/2020 · Woodward Point Preserve, Brunswick, Maine · ≈ 3 × 3½″ (8.5 × 8.7 cm) 
7/7/2025 · Woodward Point Preserve, Brunswick, Maine · ≈ 4 × 3″ (10 × 8.5 cm) ID is uncertain 
7/17/2019 · Oceanview, Falmouth, Maine · ≈ 5 × 8″ (13 × 20 cm) 
7/18/2020 · Woodward Point Preserve, Brunswick, Maine · ≈ 4 × 3″ (10 × 7.6 cm) 
| Kingdom | Plantae | Plants, but not fungi, lichens, or algae (from Stearn's Botanical Latin) |
| Subkingdom | Tracheobionta | Vascular plants—plants with a “circulatory system” for delivering water and nutrients |
| Division | Magnoliophyta | Flowering plants, also known as angiosperms |
| Class | Magnoliopsida | Dicotyledons—plants with two initial seed leaves |
| Subclass | Asteridae | A large class that encompasses asters |
| Order | Asterales | Flowering plants with a central disk flower and surrounding petals, like daisies |
| Family | Asteraceae | The aster family, which also includes daisies and sunflowers; from the Greek ἀστήρ, “star,” for the star-shaped flowers |
| Genus | Centaurea | From the Latin and a reference to the Centaur Chiron who was supposed to have discovered the medicinal uses of a plant in Greece that came to be called Centaury |
| Species | nigrescens |
Centaurea nigrescens description by Thomas H. Kent, not updated.
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