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Search for genus:[Centaurea] and species:[nigrescens]
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Asteraceae
GH: 02172548 Centaurea nigrescens Willdenow Canada: Nova Scotia [data not captured] M. L. Fernald & A. S. Pease 22924 1920-7-21
GH: 02172547 Centaurea nigrescens Willdenow Canada: Ontario [data not captured] J. Macoun 1901-8-30
NEBC: 00566371 Centaurea nigrescens Willdenow USA: Maine Orono: Orono M. L. Fernald 1890-9-6
NEBC: 00566372 Centaurea nigrescens Willdenow USA: Vermont Montpelier: Montpelier P. F. Zika 1815 1980-7-23
NEBC: 00566374 Centaurea nigrescens Willdenow USA: Massachusetts Westport: Westport E. W. Hervey 1903-10-1
GH: 00566375 Centaurea nigrescens Willdenow USA: Massachusetts Westport: Westport E. W. Hervey 1903-10-1
GH: 00566373 Centaurea nigrescens Willdenow USA: Massachusetts Gloucester: Magnolia, Coolidge Pt. C. H. Clarke 1911-9-22
NEBC: 00566376 Centaurea nigrescens Willdenow USA: Massachusetts West Barnstable H. St. John & D. White 938 1913-11-8
NEBC: 00566377 Centaurea nigrescens Willdenow USA: Massachusetts Edgartown: Edgartown E. P. Bicknell 8870 1913-9-14
NEBC: 00566378 Centaurea nigrescens Willdenow USA: Massachusetts Edgartown: Edgartown E. P. Bicknell 8879 1913-9-14
NEBC: 00566379 Centaurea nigrescens Willdenow USA: Connecticut Southington: Southington C. H. Bissell 297 1898-9-5
GH: 00566380 Centaurea nigrescens Willdenow USA: Connecticut Southington: Southington C. H. Bissell 1899-8-24
GH: 00566381 Centaurea nigrescens Willdenow USA: Connecticut Southington: Southington L. Andrews 25 1898-9-13
NEBC: 00566382 Centaurea nigrescens Willdenow USA: Connecticut Cheshire: Cheshire A. E. Blewitt 1911-10-1
NEBC: 00566383 Centaurea nigrescens Willdenow USA: Connecticut Bridgeport: Bridgeport E. H. Eames 1915-9-5
NEBC: 00566384 Centaurea nigrescens Willdenow USA: Connecticut Fairfield: Fairfield E. H. Eames 8254 1909-8-11
GH: 00566385 Centaurea nigrescens Willdenow USA: Connecticut Fairfield: Fairfield E. H. Eames 8254 1909-8-11
NEBC: 00566386 Centaurea nigrescens Willdenow USA: Connecticut Trumbull: Trumbull E. H. Eames 9470 1916-9-24
NEBC: 00897712 Centaurea nigrescens Willdenow USA: Rhode Island [data not captured] L. Behgam & S. Duncan 6 2014-9-9
NEBC: 01144632 Centaurea nigrescens Willdenow USA: Maine West Bath: [data not captured] L. A. Standley Melissa Cullina, Ro... 2016-8-27
GH: 02172559 Centaurea nigrescens Willdenow USA: New York [data not captured] S. H. Burnham 1916-7-30
GH: 02172558 Centaurea nigrescens Willdenow USA: New York [data not captured] R. J. Eaton 1952-8-21
GH: 02172557 Centaurea nigrescens Willdenow USA: New York [data not captured] [data not captured] 788 1935-9-10
GH: 02172556 Centaurea nigrescens Willdenow USA: New Jersey [data not captured] B. H. Long 51359 1937-8-26
GH: 02172555 Centaurea nigrescens Willdenow USA: New Jersey [data not captured] A. L. Moldenke & H. N. Moldenke 31628 1977-9-20
GH: 02172554 Centaurea nigrescens Willdenow USA: Missouri [data not captured] [data not captured] 239 1933-9-4
GH: 02172553 Centaurea nigrescens Willdenow USA: Indiana [data not captured] R. C. Friesner 17148 1942-8-1
GH: 02172552 Centaurea nigrescens Willdenow USA: Indiana [data not captured] R. C. Friesner 23786 1950-9-9
GH: 02172551 Centaurea nigrescens Willdenow USA: Illinois [data not captured] J. A. Steyermark 76353 1954-7-25
GH: 02172550 Centaurea nigrescens Willdenow USA: District of Columbia [data not captured] [data not captured] 3101 1915
GH: 02172549 Centaurea nigrescens Willdenow USA: District of Columbia [data not captured] [data not captured] 3134 1916-6-18
GH: 02172568 Centaurea nigrescens Willdenow USA: Pennsylvania [data not captured] S. S. Dickey 152 1922-8-25
GH: 02172567 Centaurea nigrescens Willdenow USA: Pennsylvania [data not captured] H. W. Pretz 13440 1935-9-1
GH: 02172566 Centaurea nigrescens Willdenow USA: Pennsylvania [data not captured] H. W. Pretz 12678 1925-8-16
GH: 02172565 Centaurea nigrescens Willdenow USA: Pennsylvania [data not captured] H. Wilkens 3071 1933-10-11
GH: 02172564 Centaurea nigrescens Willdenow USA: Pennsylvania [data not captured] W. M. Benner 1928-9-7
GH: 02172563 Centaurea nigrescens Willdenow USA: Oregon [data not captured] W. N. Suksdorf 2120 1919-8-25
GH: 02172562 Centaurea nigrescens Willdenow USA: Oregon [data not captured] R. V. Bradshaw 2402 1918-8-2
GH: 02172561 Centaurea nigrescens Willdenow USA: Oregon [data not captured] W. N. Suksdorf 2120 1919-8-25
GH: 02172560 Centaurea nigrescens Willdenow USA: Ohio [data not captured] R. J. Webb 1525 1921-9-18
GH: 02172576 Centaurea nigrescens Willdenow USA: Washington [data not captured] O. T. Solbrig 2132 1956-8-23
GH: 02172575 Centaurea nigrescens Willdenow USA: Virginia [data not captured] H. A. Allard 7323 1939-8-27
GH: 02172574 Centaurea nigrescens Willdenow USA: Virginia [data not captured] C. E. Wood 5729 1942-9-21
GH: 02172573 Centaurea nigrescens Willdenow USA: Virginia [data not captured] F. C. Craighead 1916-8-6
GH: 02172572 Centaurea nigrescens Willdenow USA: Virginia [data not captured] S. F. Blake 10642 1928-8-13
GH: 02172571 Centaurea nigrescens Willdenow USA: Virginia [data not captured] [data not captured] 15,801 1938-10-15
GH: 02172570 Centaurea nigrescens Willdenow USA: Virginia [data not captured] F. R. Fosberg 56288 1976-9-12
GH: 02172569 Centaurea nigrescens Willdenow USA: Virginia [data not captured] S. F. Blake 11522 1932-8-2
NEBC: 02618491 Centaurea nigrescens Willdenow USA: Rhode Island Charlestown: Great Swamp Management Area, ut... E. E. Dickson 5571 2018-9-16