Basic chemical composition of selected species of bush willows. The content of cellulose, lignin and holocellulose was determined in wood of bush willows cultivated using the Eco-Salix method. The following willow clones were selected for experiments: K-TURBO, K-1054, K-DUOTUR, TUR-KOCIBÓRZ, CORDA and K-EKOTUR. The performed analyses were conducted employing standard methods commonly used in wood chemistry.