Together with Alcalde Francisco de Haro , he laid out a street plan for the expanded settlement .
The town , named Yerba Buena after the herb , which was named by the missionaries that found it abundant nearby , began to attract American settlers .
Together with Alcalde Francisco de Haro , he laid out a street plan for the expanded settlement , and the town , named Yerba Buena after the herb , which was named by the missionaries that found it abundant nearby , began to attract American settlers .