Rhododendron columbianum, commonly known as western Labrador tea, swamp tea, or muskeg tea, is a shrub that is widespread in the western United States...

Ledum columbianum = Rhododendron × columbianum (R. groenlandicum × R. neoglandulosum) is listed by Harri Harmaja as a natural hybrid. Rhododendron vanhoeffeni...

Ledum Rhododendron columbianum Rhododendron diversipilosum Rhododendron groenlandicum Rhododendron hypoleucum Rhododendron neoglandulosum Rhododendron subarticum...

coelorum Wernham Rhododendron colemanii R.F.Mill. Rhododendron collettianum Aitch. & Hemsl. Rhododendron columbianum (Piper) Harmaja Rhododendron comisteum Balf...

Labrador tea, previously Ledum groenlandicum or Ledum latifolium Rhododendron columbianum – Western Labrador tea, or trapper's tea, previously Ledum glandulosum...

endangered in Connecticut. The wingspan is 9–10 mm. The larvae feed on Rhododendron columbianum. They mine the leaves of their host plant. Revision of the North...

latifolium) and Rhododendron neoglandulosum, (western Labrador tea, or trapper's tea, previously Ledum glandulosum or Ledum columbianum). The leaves are...

carpet around alpine lakes in the fall. The western Labrador teas (Rhododendron columbianum and R. neoglandulosum), are not for tea, but are a poisonous, rigidly...

mountain-heath Rhododendron albiflorum — white-flowered rhododendron Rhododendron canadense — rhodora Rhododendron lapponicum — Lapland azalea Rhododendron macrophyllum...

sonomensis †Abies toxirivus Acer †Acer bendirei †Acer bolanderi †Acer columbianum †Acer florissanti †Acer glabroides †Acer hueberi †Acer idahoensis †Acer...

pacifica - type locality for species Gleditsioxylon †Gleditsioxylon columbianum - type locality for species (syn Gleditsia columbiana) Gordonia †Gordonia...

Ulminium columbianum...