Ipomopsis I. congesta
For the real deal on Ipomopsis check out
Tom Juenger's web site:
https://webspace.utexas.edu/tjuenger/www/
Grant, V. 1956. A synopsis of Ipomopsis. El Aliso 3: 351–362.

Grant, V. and D. Wilken. 1986. Taxonomy of the Ipomopsis aggregata group (Polemoniaceae). Botanical Gazette 147: 359-371.

Wilken, D. and S. Allard. 1986. Intergradation among populations of the Ipomopsis aggregata complex in the Colorado Front Range. Systematic Botany 11: 1-13.

Freeman, E. and D. Wilken. 1987. Variation in nectar-sugar composition at the intra-plant level in Ipomopsis longiflora (Polemoniaceae). American Journal of Botany 74: 1681- 1689.

Grant, V. and D. Wilken. 1987. Secondary intergradation between Ipomopsis aggregata ssp. candida and I. a. collina (Polemoniaceae). Botanical Gazette 148: 372-378.

Henrickson, J. 1987. New species, combinations, and notes in Ipomopsis (Polemoniaceae). Aliso 11: 589–598.

Grant, V. and D. Wilken. 1988. Natural hybridization between Ipomopsis aggregata and I. tenuituba (Polemoniaceae). Botanical Gazette 149: 213-221.

Grant, V. and D. Wilken. 1988. Racial variation in Ipomopsis tenuituba (Polemoniaceae). Botanical Gazette 149: 443-449.

Wilken, D. and R. Fletcher. 1988. Ipomopsis sancti-spiritus (Polemoniaceae), a new species from northern New Mexico. Brittonia 40: 48-51.

Wilken, D. and R. Hartman. 1991. A revision of the Ipomopsis spicata complex (Polemoniaceae). Systematic Botany 16: 143-161.

Wilken, D. 1996. Demography of Ipomopsis aggregata ssp. weberi, a rare plant of northern Colorado. pp. 13-18. In Maschinski et al. (eds.) Proceedings, Second Southwestern Rare and Endangered Plants Conference. USDA, Forest Service, Flagstaff, AZ

Acanthogilia Aliciella Allophyllum Bonplandia Bryantiella Cantua Cobaea Collomia Dayia Eriastrum Gilia Giliastrum Gymnosteris Ipomopsis Langloisia Lathrocasis Leptodactylon Leptosiphon Linanthus Loeselia Loeseliastrum Microgilia Microsteris Navarretia Phlox Polemonium Saltugilia