I have following problem: I have diffrent locations where I found amphibians. Now I want to create a map where the form/shape of the point illustrates the specific species (waterfrog, common toad, etc.) and the fill color the stadium (adult, juvenile, etc.). I find a way doing that by using the expression string filter.
I created following codes for the geometry:
CASE WHEN "Art" IS 'TM' THEN 'circle' WHEN "Art" IS 'WF' THEN 'square' ELSE 'triangle' END
and for the color
CASE WHEN "Stadium" = 'ad' THEN '#fce8d5' WHEN "Stadium" = 'juv' THEN '#ffd3el' WHEN "Stadium" = 'Larve' THEN '#85b66f' ELSE '#0a97b0' END
The problem now is that I want to create a legend where the diffrent forms/shapes and colors are listed as well (so far only the layer itself is listed).
So I either need a tip how to fix my legend or I need a diffrent approach to get my forms and colors.