Denshi Jisho — Online Japanese dictionary

牛蒡 ごぼう great burdock (Arctium lappa)
Noun, Usually written using kana alone 
牛蒡 ごんぼ great burdock (Arctium lappa)
Noun, Usually written using kana alone 
牛蒡 うまふぶき great burdock (Arctium lappa)
Out-dated or obsolete kana, Noun, Usually written using kana alone 
菊牛蒡 きくごぼう scorzonera (Scorzonera hispanica); Spanish salsify; viper's grass
Noun, Usually written using kana alone 
牛蒡薊 ごぼうあざみ Cirsium dipsacolepis (perennial plant of the thistle family)
Noun, Usually written using kana alone 
叩き牛蒡 たたきごぼう burdock root seasoned with sesame
Noun 
金平牛蒡 きんぴらごぼう Kinpira-style sauteed burdock
Noun 
洋種山牛蒡 ようしゅやまごぼう American pokeweed (Phytolacca americana)
Noun, Usually written using kana alone 

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