"Rhododendron lapponicum L., Cassiope tetragona L., Pedicularis capitata Adams, Dryas, in bloom in swamp.", Stefansson Collection of Arctic Photographs - Photographic Prints, 1913, Digital by Dartmouth Library, n2t.net/ark:/83024/d43r0pz8n.
Citation (Chicago Format)
Rhododendron lapponicum L., Cassiope tetragona L., Pedicularis capitata Adams, Dryas, in bloom in swamp, 1913. Digital by Dartmouth Library. https://n2t.net/ark:/83024/d43r0pz8n.