Lilaeopsis schaffneriana

Lilaeopsis schaffneriana is a rare species of flowering plant in the family Apiaceae known by the common names Schaffner's grasswort and cienega false rush.


 * Lilaeopsis schaffneriana subsp. schaffneriana is found in Dominican Republic, Ecuador, and Mexico (in the Federal District and the following states: Chihuahua, Coahuila, Durango, Hidalgo, Jalisco, México, Michoacán, Nuevo León, Oaxaca, Puebla, San Luis Potosí, and Tlaxcala).
 * Lilaeopsis schaffneriana subsp. recurva (Huachuca water umbel), is a federally listed endangered species (status G4T2, imperiled) of the United States. It is limited to desert wetlands, including a rare type of desert marsh habitat called a cienega. There are 8 populations in Arizona and four more south of the border in Mexico.

Conservation
The species is extremely reliant on water level for its survival.