Hierarchy classification:

1. top of the aat hierarchies
2. Materials Facet
3. Materials (hierarchy name)
4. materials (substances)
5. [materials by origin]
6. biological material

Narrower term/s

• bark (plant material)[+]
  • bark strip
  • cork (bark)
  • birch bark (plant material)
• cane (plant material)[+]
  • rattan
• grass (plant material)[+]
  • bamboo (material) [+]
    • split bamboo
  • couch grass (material)
  • eelgrass (marine, material)
  • reed (grass, material) [+]
    • bulrush (material) [+]
      • tule (grass material)
    • bur reed (material)
    • pampas grass (material)
    • beach grass (material)
  • rush (material)
  • cattail (material)
  • hay (material)
  • sugarcane (material)
  • sweetgrass (material)
  • rivercane (material)
• husk (plant material)
• leaf (plant material)[+]
  • palm leaf (material)
  • tobacco (material)
  • bay leaf (material)
  • maize leaf (material)
  • tea leaf
  • maté (leaves)
• stalk (plant material)[+]
  • cornstalk (plant material)
  • guinea corn stalk
  • leafstalk
• straw (plant material)[+]
  • barley straw
  • rice straw
  • wheat straw
  • baku (straw)
• thorn (plant material)
• [wood and wood by product][+]
  • wood (plant material) [+]
    • [wood by composition or origin] [+]
      • hardwood [+]
      • softwood [+]
      • timber (wood by origin)
      • petrified wood [NP]
    • [wood by form or function] [+]
      • primary wood
      • secondary wood
      • plank (wood)
      • panel (wood by form)
      • driftwood
      • bentwood
      • punk (wood)
      • brown oak
      • crotch (wood)
      • timber (wood by form)
      • heartwood
      • burl (wood)
      • sapwood
      • laths (wood by form)
      • ebonized wood
      • withies (wood) [+]
      • spalted wood
  • [wood by product] [+]
    • pole (wood product)
    • excelsior
    • furring strip
    • log (wood)
    • lumber [+]
      • [lumber by form or function] [+]
      • [lumber by quality] [+]
      • [lumber by technique] [+]
    • millwork
    • pulpwood
    • sawdust
    • shake (wood product)
    • woodchips
    • compressed wood
    • impregnated wood
    • plywood
    • batten (wood products)
    • stave (wood products)
    • treenware
    • wood board [+]
      • blockboard
      • corkboard
      • hardboard
      • barnboard
      • composition wood board [+]
    • pressure-treated wood
    • matchboard
    • glue-laminated timber
    • bois durci
    • cross-laminated timber
• modified plant material[+]
  • charcoal (material) [+]
    • wood charcoal [+]
      • fusain
    • bone black [NP] [+]
      • ivory black [+]
      • drop black
    • charcoal black (plant material) [+]
      • fruit stone black
      • peach black
  • pulp (modified plant material) [+]
    • soda pulp
    • wood pulp [+]
      • chemical pulp
      • mechanical wood pulp
      • stuff (pulp)
    • paper pulp
  • propolis
  • gluten
  • peyote (plant material)
  • Buxus (fabricated wood product)
  • cintli (dried ears of maize)
• sap (plant material)
• plant fiber [NP][+]
  • bagasse
  • esparto (fiber)
  • henequen (fiber)
  • sisal (fiber)
  • flax (fiber) [+]
    • muka
  • hemp (fiber)
  • Manila hemp (fiber)
  • jute (fiber)
  • kenaf (fiber)
  • mitsumata (fiber)
  • palm fiber
  • raffia (fiber)
  • coir
  • kapok (fiber)
  • ramie (fiber)
  • bast
  • kozo (fiber)
  • gampi (fiber)
  • cotton (fiber) [+]
    • linter (fiber)
  • nettle (fiber)
  • cattail fiber
  • piña (fiber)
  • muka (fiber)
  • maguey (fiber)
  • imbe (fiber)
  • milkweed floss
• root (plant material)
• [seed and seed components materials][+]
  • seed (material) [+]
    • bean
    • grain (seed)
    • corn (seed)
    • chick-pea (seed)
    • Job's tears (seeds)
    • pits (fruit component) [+]
      • cherry pits
    • rice (seed)
  • [seed components as materials] [+]
    • pod (seed material) [+]
      • locust bean pod
• pollen
• stem (plant material)[+]
  • kareao (material)
• corncob (material)
• tuber (plant material)
• tubercle (plant material)
• shell (plant material)
• flower (plant material)
• pectin [NP]
• citric acid [NP]
• gall (plant material)
• flour[+]
  • textli
• sphagnum moss extract
• pericarp (plant material)[+]
  • nutshell (plant material)
  • coconut shell (plant material)
  • coco de mer seed pod (plant material)

Anotations

Scope note:

Material derived from plants or any part of a plant, whether in raw form or processed.