Rogers, R.S. (23 December 1927), Contributions to the Orchidaceous flora of Australia. Transactions and proceedings of the Royal Society of South Australia 51: 10 [tax. nov.]

• Type: "Western Australia. Highbury, between Wagin and Narrogin; Colonel B.T. Goadby; late September, 1924."

George, A.S. (5 May 1971), A check list of the Orchidaceae of Western Australia. Nuytsia 1(2): 177 [secondary reference]

• Type: "HIighbury, Goadby, Sept., 1924-holo.: AD."

Hoffman, N. & Brown, A. (1984), Orchids of South-West Australia: 70-71 [secondary reference]

common name: Shy Spider Orchid [n/a]

Green, J.W. (1985), Census of the Vascular Plants of Western Australia Edn. 2: 55 [secondary reference]

Jones, D.L. (1988), Native Orchids of Australia: 134 [secondary reference]

common name: Shy Spider Orchid [n/a]

• Text: "This taxon is a natural hybrid between C. longicauda and C. flava."

Clements, M.A. in Jones, D.L. (ed.) (August 1989), Catalogue of Australian Orchidaceae. Australian Orchid Research 1: 31 [secondary reference]

• Type: "... (holo AD!)."

• Text: "This is a rare plant intermediate in morphology between C. eminens and C. flava. It is almost certainly a natural hybrid...".

Hopper, S.D. & Brown, A.P. (21 September 2001), Contributions to Western Australian orchidology: 2. New taxa and circumscriptions in Caladenia. Nuytsia 14(1/2): 300-302, Fig. 78 [secondary reference]

Hopper, S.D. & Brown, A.P. (29 April 2004), Robert Brown's Caladenia revisited, including a revision of its sister genera Cyanicula, Ericksonella and Pheladenia (Caladeniinae: Orchidaceae). Australian Systematic Botany 17(2): 208 [secondary reference]

• Comment: "Caladenia flava x C. longicauda"

Brown, A., Dundas, P., Dixon, K. & Hopper, S. (2008), Orchids of Western Australia: 346 [secondary reference]

common name: Shy spider orchid [n/a]

• Etymology: "three-cornered, alluding to the shape of the labellum"

Council of Heads of Australasian Herbaria (28 February 2018), Australian Plant Census: - APC [secondary reference]

• APC Comment: A hybrid involving Caladenia longicauda and C. flava (fide D.L.Jones, Native Orchids Australia 134 (1988)).
• APC Dist.: WA

Jones, D.L. (January 2021), Native Orchids of Australia Edn. 3: 163 [secondary reference]

common name: Shy Spider Orchid [n/a]

Brown, A. (19 July 2022), The Complete Orchids of Western Australia 2: 274 [secondary reference]

common name: Shy Spider Orchid [n/a]

• Etymology: "From the Latin triangularis (having three corners, triangular), in reference to the shape of the labellum."

---