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1,100,502 specimens across 6 departments, collected since 1754 — 100,256 names, 42,336 type specimens.
Dioscorea pentaphylla
BISH 49266
Sonohara, S., 1951
Okinawa, Japan
Dioscorea japonica
BISH 49267
Sonohara, S., 1951
Okinawa, Japan
Dioscorea tokoro
BISH 707254
Nakamura, T.
Shikoku, Japan
Dioscorea bulbifera
BISH 728647
Konta, F., 2006
Honshu, Japan
Dioscorea quinquelobata
BISH 754033
Konta, F.; Noguchi, H., 2010
Kyushu, Japan
Dioscorea japonica
BISH 754035
Konta, F.; Noguchi, H., 2010
Kyushu, Japan
Dioscorea tokoro
BISH 754049
Konta, F., 2009
Honshu, Japan