Dichelostemma Kunth.
Engl.: snakelily.

Dichelostemma capitatum

Dichelostemma capitatum (Benth.) Wood.
Engl.: bluedicks, desert hyacinth.
Bot. syn.: Brodiaea capitata Benth., Brodiaea pulchella (Salisb.) Greene, Dichelostemma lacuna-vernalis Lenz, Dichelostemma pulchellum (Salisb.) Heller, Hookeria pulchella Salisb.

Dichelostemma congestum

Dichelostemma congestum (Sm.) Kunth.
Engl.: ookow, compact harvest lily.
Suom.: tiukukukka.
Bot. syn.: Brodiaea congesta Sm.

Dichelostemma ida-maia

Dichelostemma ida-maia (Wood) Greene.
Engl.: firecracker flower, Californian fire-cracker.
Bot. syn.: Brevoortia coccinea (A. Gray) S. Wats., Brodiaea coccinea A. Gray, Brodiaea ida-maia (Wood) Greene.

Dichelostemma pulchellum:

Dichelostemma pulchellum (Salisb.) Heller, Asparagaceae: See Dichelostemma capitatum (Benth.) Wood.

I have no articles for this botanical term, but there might be some for the next level down (if found).