Timber, wood  residues, and wood pulpas sources of cellulose.
D002480:Cellulase; D002482:Cellulose; D003365:Costs and Cost Analysis; D005843:Geography; D007220:Industrial Waste; D010209:Paper; D010944:Plants; D014481:United States; D014934:Wood
D007220:Industrial Waste; D002482:Cellulose; D002480:Cellulase