| ARCHIL | Hi Carl (anag.), dye made from lichens (6) |
| ACRYLIC | Textile fibre - icy Carl (anag) (7) |
| CORPORAL | Poor Carl (anag) (8) |
| ORCHEL | Red dye from lichens; L ochre (anag.) |
| LITMUS | Dye material from lichens, used in acidity tests (6) |
| CLICHE | Hackneyed description of some botanic lichens (6) |
| STUMPS | Often providing a valuable habitat for woodpeckers, hibernating hedgehogs and toads, minibeasts, fungi, ferns, lichens and mosses, the remains of felled or fallen trees (6) |
| GARLIC | A bulbous, odorous, pungent tasting plant is out of sugar lichens |
| MOSSES | Plants sometimes confused with lichens |
| HENNA | Dye made from helium, nitrogen and sodium |
| COCHINEAL | Scarlet dye made from the dried bodies of female insects (9) |
| ALKANET | Alkanna tinctoria and the red dye made from its roots (7) |
| ANIL | Dye made from vanilla extract |
| CUDBEAR | Purple dye from lichens |
| ODYSSEY | Dyes made from soy create an epic story (7) |
| ESCHER | Dutch artist who drew inspiration from science and nature by way of birds, cascades, impossible figures, lichen, reptiles, tessellation etc (6) |
| THALLI | Corridor covered with it - rising fungus and lichen, say (6) |
| CORKIR | (Scot.) A red lichen used for dyeing (6) |
| SILICA | Is back, as there's a fair amount of lichen on a rock formation (6) |
| SAXONBLUE | Dye made by dissolving indigo in concentrated sulphuric acid, recorded in Europe since the 18th century (5,4) |
