Rhododendron californicum var. washingtonianum Zabel ex Rehder Cycl. Amer. Hort. [L.H.Bailey] 4: 1522. 1902

Nomenclatural References

• person : Alfred Rehder (1863-1949) Based on occurrence of standard abbreviation 'Rehder' in the authors string.
• person : Hermann Zabel (1832-1912) Based on occurrence of standard abbreviation 'Zabel' in the authors string.
• database : IPNI record: 219455-2