Left to Right
First yarn- premordanted wool with alum/cot
Second yarn- with copper/vingear
Third yarn - with copper/ammonia
Fourth yarn- with iron
This is lichen i used to dye these yarns with...

DYED WITH BLUISH GREY LICHENS/AMMONIA
Left to right
First yarn -lichen/ammonia-infused for 3 months then let unmordanted wool steeped in dye for 2 wks..
Second yarn-lichen/ammonia-infused for 3 months then used it to dye premordanted wool with alum and cream of tartar-simmered for 30 minutes and left it in for a week..
Third yarn-same as second one above but with different mordant- copper/ammonia
Fourth yarn- same as second one above but with different mordant- iron
Fifth yarn- infuse same lichen in the jar (same jar that still have some unused dye leftover and lichen with some more water added to it) to extract some more color for a few weeks then add unmordanted wool to dye and let it steep in for 2 weeks
Sixth yarn -unmordanted wool was steeped in same dye as 5th one above for a few weeks
Seventh yarn-mixed lichens/ammonia dye-unmordanted wool
edited to add pic of lichen..the one i used to dye 1st to 6th yarns with