References

For Ipomopsis

Grant, V. 1956. A synopsis of Ipomopsis. Aliso 3: 351-362. Google Scholar

Sorrie, B.A., A.S. Weakley, and K.A. Bradley. 2018. Ipomopsis rubra (Polemoniaceae): Distribution and habitat. Phytoneuron 2018-29: 1-8. Published 30 May 2018. ISSN 2153 733X Google Scholar

Wilken. 2004. In Kubitzki, K., ed. 2004. The families and genera of vascular plants. VI. Flowering plants – Dicotyledons – Celastrales, Oxalidales, Rosales, Cornales, Ericales. Springer, Berlin. 489 pp. Google Scholar