lichen (n.)
- acne
- algae
- autophyte
- bean
- bracken
- climber
- conferva
- creeper
- dermatitis
- dermatosis
- diatom
- eczema
- elephantiasis
- epithelioma
- erysipelas
- erythema
- exanthem
- fern
- fucus
- fungus
- grapevine
- gulfweed
- herb
- herpes
- hives
- impetigo
- itch
- ivy
- kelp
- legume
- lentil
- leprosy
- liana
- liverwort
- lupus
- miliaria
- mold
- moss
- mushroom
- parasite
- pea
- pemphigus
- phytoplankton
- pruritus
- psora
- puffball
- pulse
- ringworm
- rockweed
- rust
- saprophyte
- sargasso
- sargassum
- scabies
- seaweed
- shingles
- smut
- succulent
- toadstool
- vetch
- vine
- wort
- wrack