George, A.S. (5 May 1971), A new species of Philotheca, P. tubiflora - the first record of the genus, sensu stricto, for Western Australia. Nuytsia 1(2): 208-209, Fig. 1 [tax. nov.]

• Type: "Near Point Kidman, 26 miles ENE of Laverton on White Cliffs road (122°47′E, 28°30′S), on rocky hill with Callitris huegelii. A.S. George 4506, 29 June 1963 (holo.: PERTH, iso.: PERTH, CANB, MEL, NSW, K, NY)."

George, A.S. in Jessop, J.P. (ed.) (1981), Rutaceae. Flora of Central Australia: 195, Fig. 223 [secondary reference]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 105 [secondary reference]

Wilson, Paul G. (16 September 1998), A taxonomic review of the genera Eriostemon and Philotheca (Rutaceae: Boronieae). Nuytsia 12(2): 256 APC [secondary reference]

• APC Dist.: WA

Wilson, Paul G. in Wilson, A.J.G. (ed.) (2013), Philotheca. Flora of Australia 26: 374, Plate 41, Fig. 59 [secondary reference]

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