Guardiola angustifolia is a rare North American species of plants in the family Asteraceae. It is found only in western Mexico in the state of Jalisco.Robinson, Benjamin Lincoln. 1899. Bulletin of the Torrey Botanical Club 26: 235
Guardiola angustifolia is a branching perennial herb up to tall. Leaves are narrow and lance-shaped, up to long with prominent teeth along the edges. Flower heads are arranged in flat-topped arrays resembling umbels at first glance. Heads have both ray flowers and disc flowers.
References
External links Photo of herbarium specimen at Missouri Botanical Garden, collected in Jalisco in 1886