The current taxonomic arrangement of the genus Banksia is based on George's 1999 monograph for the Flora of Australia book series.
In this arrangement, B. integrifolia is placed in Banksia subg.
Banksia, because its inflorescences take the form of Banksia's characteristic flower spikes; Banksia sect.
Banksia because of its straight styles; and Banksia ser.
Salicinae because its inflorescences are cylindrical.
Kevin Thiele additionally placed it in a subseries Integrifoliae, but this was not supported by George.

B. integrifolia's placement within Banksia may be summarised as follows:
Genus Banksia
Subgenus Isostylis
Subgenus Banksia
Section Oncostylis
Section Coccinea
Section Banksia
Series Grandes
Series Banksia
Series Crocinae
Series Prostratae
Series Cyrtostylis
Series Tetragonae
Series Bauerinae
Series Quercinae
Series Salicinae
B. dentata – B. aquilonia – B. integrifolia – B. plagiocarpa – B. oblongifolia – B. robur – B. conferta – B. paludosa –  B. marginata – B. canei – B. saxicola
The current taxonomic arrangement of the genus Banksia is based on George's 1999 monograph for the Flora of Australia book series. In this arrangement, B. integrifolia is placed in Banksia subg. Banksia, because its inflorescences take the form of Banksia's characteristic flower spikes; Banksia sect. Banksia because of its straight styles; and Banksia ser. Salicinae because its inflorescences are cylindrical. Kevin Thiele additionally placed it in a subseries Integrifoliae, but this was not supported by George.
B. integrifolia's placement within Banksia may be summarised as follows:
Genus Banksia
Subgenus Isostylis
Subgenus Banksia
Section Oncostylis
Section Coccinea
Section Banksia
Series Grandes
Series Banksia
Series Crocinae
Series Prostratae
Series Cyrtostylis
Series Tetragonae
Series Bauerinae
Series Quercinae
Series Salicinae
B. dentata – B. aquilonia – B. integrifolia – B. plagiocarpa – B. oblongifolia – B. robur – B. conferta – B. paludosa –  B. marginata – B. canei – B. saxicola
Banksia integrifolia