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![]() (Dimension: 2030 x 1550 pixels - Counter: 6073) Castilleja haydenii hosted by Penstemon strictus ![]() Locality: USA - Washington - Richland (Mid-Columbia Basin) Photographer: Dave Nelson Note: Hosts were also P. serrulatus and P. eatonii (Sent: Alpine-l@science.uu.nl) ![]() |