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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Ptilota serrata
BISH 538163
(Not on sheet)
Canada
Ptilota serrata
BISH 538164
H.J.H., 1948
Canada
Ptilota serrata
BISH 538199
Erskine, D.
Nova Scotia, Canada
Ptilota serrata
BISH 538203
Doty, M.S.; Fahey, E.M., 1947
Canada
Ptilota serrata
BISH 539332
Tilden, J.E.
Vancouver, Canada
Ptilota serrata
BISH 688183
Hehre, E.J.; Stone, R.A.; Hodgdon, A.R.; Pike, R.B., 1968
South Wolf, Canada
Ptilota serrata
BISH 688185
Reynolds, N.B., 1967
Canada