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Centaurea maculosa Stock Photos and Images
RFC3WDBR–The purple flower of a spotted knapweed (Centaurea maculosa). This noxious weed was found on Mt. Jumbo in Missoula, Montana.
RMC26922–Chinese Praying Mantis Tenodera sinensis perched on dewy Spotted Knapweed Centaurea maculosa Eastern USA
RM2AWPE8K–Clouded Sulphur Butterfly (Colias philodice) on Spotted Knapweed (Centaurea maculosa), E USA, by Skip Moody/Dembinsky Photo Assoc
RMPK3GMH–Orange Sulphur (Colias eurytheme) and European Skipper (Thymelicus lineola) Butterflies on Spotted Knapweed (Centaurea maculosa), E USA, by Skip Moody
RFKC8E51–Purple meadow flowers (Centaurea maculosa) on the field in the sunlight, autumn-late summer flowers in the garden
RF2C4R7FH–Spotted Knapweed, Centaurea stoebe, in bloom and gone to seed with a honey bee, Apis mellifera, pollinating the light purple flowers in a meadow.
RF2CG19BN–Centaurea jacea, the Brown Knapweed, known also as Brown-rayed Knapweed, Brownray Knapweed and Hardheads
RFC3WDB9–The purple flower of a spotted knapweed (Centaurea maculosa). This noxious weed was found on Mt. Jumbo in Missoula, Montana.
RF2H7XME6–Macro closeup of one pink purple fluffy thistle flower with bokeh background on hiking trail in Sugar Mountain, North Carolina summer
RF2CCR8G6–Knapweed, Centaurea is a genus of between 350 and 600 species of herbaceous thistle-like flowering plants in the family Asteraceae.
RFKC8E52–Purple meadow flowers (Centaurea maculosa) on the field in the sunlight, autumn-late summer flowers in the garden
RFCNGX87–Close-up shot with shallow depth of field of the bloom of the invasive, noxious weed, Spotted Knapweed.
RF2C4R7HX–Spotted Knapweed, Centaurea stoebe, in bloom and gone to seed with a honey bee, Apis mellifera, pollinating the light purple flowers in a meadow.
RMC3RX0H–The earless goat, also known as LaMancha goat, was used to help control noxious weeds on Mt. Jumbo in Missoula, Montana.
RF2CCR8GG–Knapweed, Centaurea is a genus of between 350 and 600 species of herbaceous thistle-like flowering plants in the family Asteraceae.
RFC4DM4B–Spotted Knapweed is a noxious plant found in montana. It produces its own natural herbicide that kills plants around it.
RMBH5XRB–Meadow wild flowers Knapweed n Michigan USA nobody none low angle from below landscape outside horizon vertical hi-res
RMC3WDDD–Sheep and goats are used on Mt. Jumbo in Missoula Montana to help control the spread of noxious weeds such as spotted knapweed.
RFKC8E4R–Purple meadow flowers (Centaurea maculosa) on the field in the sunlight, autumn-late summer flowers in the garden
RF2GN5F34–Wild plant with beautiful round purple flowers. Cornflower brown on blurred natural green background. Beautiful natural wallpaper screensaver
RM2AG5MP1–. An illustrated flora of the northern United States, Canada and the British possessions : from Newfoundland to the parallel of the southern boundary of Virginia and from the Atlantic Ocean westward to the 102nd meridian. 6. Centaurea maculosa Lam. Spotted Knap-weed. Fig. 4661. C. maculosa Lam. Encycl. i: 669. 1783. Annual or biennial, looseh floccose-pubescent orglabrate, usually much branched, 2°-i° high, the stiffbranches ascending. Leaves pinnatifid into linearsegments, or the upper linear and entire, the lowerup to 3 long; heads peduncled, about 10 broad;involucre ovoid, its ribbed bracts
RMC3WDCY–Sheep and goats are used on Mt. Jumbo in Missoula Montana to help control the spread of noxious weeds such as spotted knapweed.
RFKC8E4T–Purple meadow flowers (Centaurea maculosa) on the field in the sunlight, autumn-late summer flowers in the garden
RMRG5EE5–. Conservation strategy for Silene spaldingii (Spalding's catchfly) in Montana . Botany; Rare plants; Silene spaldingii. Figure 33. Map of EO #15 with part of nearby EO #5. Vegetation Associated Dominant Species: Stipa nelsonii, Festuca scabrella, Festuca idahoensis, Monarda fistulosa, Crataegus douglasii (black hawthorn) and Amelanchier alnifolia (serviceberry). Exotic Species: Frequent exotics are Hypericum perforatum and Bromus tectorum. Occasional exotics include Centaurea maculosa, Poa pratensis and Potentilla recta. Infrequent exotics include Verbascum blattaria and Verbascum thapsus.. A
RMC46MBR–Sheep and goats are used on Mt. Jumbo in Missoula Montana to help control the spread of noxious weeds such as spotted knapweed.
RMC3WB5D–A sheep herder stands with his flock of sheep and goats. The animals eat noxious weeds on Mt. Jumbo in Missoula Montana.
RMRG5EYY–. Conservation strategy for Silene spaldingii (Spalding's catchfly) in Montana . Botany; Rare plants; Silene spaldingii. Figure 12. Wild Horse Island - EO #2, subpop. B. Figure 10. Map of EO #2. Vegetation Associated Dominant Species: Festuca scabrella, Festuca idahoensis, Elymus spicatus (bluebunch wheatgrass), Lithospermum ruderale (gromwell), Balsamorhiza sagittata (arrowleaf balsamroot) and Pinus ponderosa (ponderosa pine). Exotic Species: Centaurea maculosa, Bromus tectorum, and Euphorbia esula (leafy spurge). August 30, 2004. Survey Data First Observation: Subpopulation A: SubpopulationB
RMRG5EP8–. Conservation strategy for Silene spaldingii (Spalding's catchfly) in Montana . Botany; Rare plants; Silene spaldingii. Figure 20. Map of EO #9 with nearby EO #10. Vegetation Associated Dominant Species: Festuca scabrella, Geum triflorum, Geranium viscosissimum (sticky geranium) and Potentilla glandulosa (sticky cinquefoil). Exotic Species: Hypericum perforatum, Centaurea maculosa, Bromus tectorum, Potentilla recta and Dianthus armeria (Deptford pink). July 22, 1988. Please note that these images are extracted from scanned page images that may have been digitally enhanced for readability - co
RMRG5EWG–. Conservation strategy for Silene spaldingii (Spalding's catchfly) in Montana . Botany; Rare plants; Silene spaldingii. Figure 14. Map of EO #5. Vegetation Associated Dominant Species: Festuca scabrella, Stipa nelsonii (Nelson's needlegrass), Koeleria macrantha, Achillea millefolium (yarrow), Monarda fistulosa (beebalm), Stipa richardsonii, Lithospermum ruderale, Danthonia intermedia (timber oatgrass), Lupinus sericeus (silky lupine) and Poa secunda (Sandberg's bluegrass). Exotic Species: Potentilla recta, Centaurea maculosa, Bromus tectorum and Poa pratensis. August 17, 2003 Figure 15. Cross
![. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 6. Centaurea maculosa Lam. Spotted Knap- weed. Fig. 4661. C. maculosa Lam. Encycl. 1: 669. 1783. Annual or biennial, loosely floccose-pubescent or glabrate, usually much branched, 2°-3° high, the stiff branches ascending. Leaves pinnatifid into linear segments, or the upper linear and entire, the lower up to 3' long; heads peduncled, about 10" broad; invol Stock Photo](https://c8.alamy.com/comp/RDHYEY/an-illustrated-flora-of-the-northern-united-states-canada-and-the-british-possessions-from-newfoundland-to-the-parallel-of-the-southern-boundary-of-virginia-and-from-the-atlantic-ocean-westward-to-the-102d-meridian-botany-botany-6-centaurea-maculosa-lam-spotted-knap-weed-fig-4661-c-maculosa-lam-encycl-1-669-1783-annual-or-biennial-loosely-floccose-pubescent-or-glabrate-usually-much-branched-2-3-high-the-stiff-branches-ascending-leaves-pinnatifid-into-linear-segments-or-the-upper-linear-and-entire-the-lower-up-to-3-long-heads-peduncled-about-10quot-broad-invol-RDHYEY.jpg ". An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 6. Centaurea maculosa Lam. Spotted Knap- weed. Fig. 4661. C. maculosa Lam. Encycl. 1: 669. 1783. Annual or biennial, loosely floccose-pubescent or glabrate, usually much branched, 2°-3° high, the stiff branches ascending. Leaves pinnatifid into linear segments, or the upper linear and entire, the lower up to 3' long; heads peduncled, about 10" broad; invol Stock Photo")
RMRDHYEY–. An illustrated flora of the northern United States, Canada and the British possessions, from Newfoundland to the parallel of the southern boundary of Virginia, and from the Atlantic Ocean westward to the 102d meridian. Botany; Botany. 6. Centaurea maculosa Lam. Spotted Knap- weed. Fig. 4661. C. maculosa Lam. Encycl. 1: 669. 1783. Annual or biennial, loosely floccose-pubescent or glabrate, usually much branched, 2°-3° high, the stiff branches ascending. Leaves pinnatifid into linear segments, or the upper linear and entire, the lower up to 3' long; heads peduncled, about 10" broad; invol
Search Results for Centaurea maculosa Stock Photos and Images (162)
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