Cephalanthus
occidentalis Linnaeus
Common
names: buttonbush, button bush, common buttonbush.
Synonyms: Cephalanthus occidentalis Linnaeus var. californicus
Bentham, Cephalanthus occidentalis Linnaeus var. occidentalis,
Cephalanthus occidentalis Linnaeus var. pubescens Rafinesque.
Family: Rubiaceae.
USDA
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