A program for the identification of lichen substances based on TLC RF
values, HPLC RI-values, colours of developed spots under visible and U
V fight, as well as the results of lichen spot tests has been develope
d for Microsoft WINDOWS. The program is based on a similar program for
Apple Macintosh computers. it accepts RF values from six standard sol
vents, a RI-value from a gradient HPLC with reverse phase column and a
range of possible colours for an unlimited number of TLC spots and wi
ll generate answers within a user defined error range. A list of synon
yms of lichen substances is included as well as an RF and RI-value cal
culator.