A publication in the end of Edo period, "Elegant Sayings about Sencha (Sencha kigen 煎茶綺言)" states that Jozan was a first generation leader of 'Sencha pedigree (Sencha Kakei),' and he is also called patriarch of Sencha.
幕末の『煎茶綺言』には、「煎茶家系譜」の初代に石川丈山が記載されており、煎茶の祖とも言われる。