Plant taxonomy: ultraviolet patterns of flowers visible as fluorescent patterns in pressed herbarium specimens.
Pressed flowers, in herbarium specimens, show visible fluorescent patterns matching the invisible ultraviolet patterns that the flowers show in life. The technique is taxonomically applicable since it makes an important but usually neglected floral character readily demonstrable.
Eisner
T
T
Eisner
M
M
Hyypio
P A
PA
Aneshansley
D
D
Silberglied
R E
RE