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Search for genus:[Carduus] and species:[pycnocephalus]
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Asteraceae
GH: 02172293 Carduus pycnocephalus Linnaeus USA: Texas 25 miles SE. of Sonora V. L. Cory 1939-5-18
GH: 02172292 Carduus pycnocephalus Linnaeus USA: Pennsylvania Philadelphia: [data not captured] [data not captured] 1877-6-3
GH: 02172291 Carduus pycnocephalus Linnaeus USA: Oregon [data not captured] R. R. Halse 8253 2011-6-25
GH: 02172290 Carduus pycnocephalus Linnaeus USA: Oregon [data not captured] R. R. Halse 7630 2009-5-25
GH: 02172289 Carduus pycnocephalus Linnaeus USA: New York [data not captured] [data not captured] 1879
GH: 02172288 Carduus pycnocephalus Linnaeus USA: New Jersey [data not captured] [data not captured]
GH: 02172287 Carduus pycnocephalus Linnaeus USA: New Jersey [data not captured] C. D. Lippincott 1897-7-17
GH: 02172286 Carduus pycnocephalus Linnaeus USA: California [data not captured] J. T. Howell 21754 1946-5-4