Canada's Plant Hardiness Site

Plantaginaceae snapdragon family
Penstemon davidsonii var. davidsonii Greene
En: Davidson's penstemon, creeping beardtongue, Davidson's beardtongue;
Fr: penstemon de Davidson

• [=Penstemon menziesii Hook. subsp. davidsonii (Greene) Piper 1906, non Pennell & D.D.Keck 1940]
• [=Penstemon menziesii Hook. var. davidsonii (Greene) Piper]