Family: Polemoniaceae
[Polemonium berryi Eastw., more..., Polemonium haydenii A. Nelson, Polemonium pilosum (Greenm.) G.N. Jones, Polemonium pulcherrimum var. pilosum (Greenm.) J.F. Davids., Polemonium pulcherrimum var. pulcherrimum Hook., Polemonium shastense Baker ex Eastw.]
NPS, Lassen Volcanic NP