question: Are Calochortus and Carludovica both native to the United States?
answer: no
context: Title: Calochortus gunnisonii
  Passage: Calochortus gunnisonii (Gunnison's mariposa lily) is a North American species of flowering plant in the lily family.  It is native to the western United States, primarily in the Rocky Mountains and Black Hills: Arizona, New Mexico, Utah, Colorado, Wyoming, Montana, South Dakota, northwestern Nebraska (Sioux County) and eastern Idaho (Fremont County).
  Title: Calochortus elegans
  Passage: Calochortus elegans is a species of flowering plant in the lily family known by the common name elegant Mariposa lily, cat's ear, elegant cat's ears or star tulip.  It is native to the western United States from northern California to Montana.
  Title: Calochortus subalpinus
  Passage: Calochortus subalpinus (subalpine mariposa lily) is a North American species of flowering plants in the lily family native to the northwestern United States (States of Washington and Oregon).
  Title: Calochortus aureus
  Passage: Calochortus aureus is a North American species of flowering plants in the lily family.  It is native to the southwestern United States (Arizona, southern Utah, northwestern New Mexico and southwestern Colorado).
  Title: Calochortus
  Passage: Calochortus is a genus of North American plants in the lily family.  The group includes herbaceous, perennial and bulbous species, all native to North America (primarily the Western United States).
  Title: Calochortus lyallii
  Passage: Calochortus lyallii (Lyall's mariposa lily) is a North American species of flowering plants in the lily family.  It is native to the Province of British Columbia in western Canada, as well as the State of Washington in the northwestern United States.
  Title: Calochortus eurycarpus
  Passage: Calochortus eurycarpus (white mariposa lily) is a North American species of flowering plant in the lily family.  It is native to the western United States: Montana, Idaho, eastern Oregon, western Wyoming, northeastern Nevada (Box Elder County) and southeastern Washington (Asotin County + Garfield County).
  Title: Carludovica
  Passage: Carludovica is a genus in the family Cyclanthaceae.  It is native to tropical America, from southern Mexico and Guatemala to Ecuador and Bolivia.  "Carludovica" is named in honor of Charles IV of Spain and his wife Maria Luisa of Parma.
  Title: Calochortus nitidus
  Passage: Calochortus nitidus (broadfruit mariposa lily) is a North American species of flowering plants in the lily family native to the northwestern United States.
citations: Carludovica Calochortus