Ericaceae
Western moss heather
Cassiope mertensiana
- Family
- Ericaceae
- Genus
- Cassiope
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Common names
By language (1)
- English
- Western moss heather
Synonyms
- Andromeda cupressina Hook.
- Andromeda mertensiana Bong.
- Cassiope mertensiana subsp. californica Piper
- Cassiope mertensiana subsp. ciliolata Piper
- Cassiope mertensiana subsp. gracilis Piper
- Cassiope mertensiana subsp. mertensiana
- Cassiope mertensiana var. californica (Piper) Tiehm
- Cassiope mertensiana var. gracilis (Piper) C.L.Hitchc.
Characteristics
- Growth habit
- Shrub, Subshrub
- Lifespan
- Perennial
- In the US and Canada
- Alaska: native, Canada: native, Lower 48 states: native
Photos

Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Walter Siegmund, CC BY 2.5, from Wikimedia Commons 
Photo: Walter Siegmund, CC BY 2.5, from Wikimedia Commons 
Photo: Walter Siegmund, CC BY 2.5, from Wikimedia Commons 
Photo: Walter Siegmund, CC BY 2.5, from Wikimedia Commons 
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons 
Photo: Walter Siegmund, CC BY-SA 3.0, from Wikimedia Commons
More in Cassiope
- White arctic mountain heatherCassiope tetragonaEricaceae
- Clubmoss cassiopeCassiope lycopodioidesEricaceae
- Cassiope redowskiiEricaceae
- Cassiope fastigiataEricaceae
- Cassiope selaginoidesEricaceae
- Cassiope abbreviataEricaceae
- Cassiope argyrotrichaEricaceae
- Cassiope nanaEricaceae
- Cassiope pectinataEricaceae
- Cassiope myosuroidesEricaceae
- Cassiope palpebrataEricaceae
- Cassiope wardiiEricaceae
Sources: classification, synonyms from World Flora Online Plant List (2026-06, CC0 1.0); common names, popularity from Wikidata (2026-10-26, CC0 1.0); common names, US characteristics from USDA PLANTS Database (2025-05-29, CC0 1.0). About our plant data.