Viburnum setigerum (tea viburnum) is a plant in the family Adoxaceae that is native to China.
Smyrnium olusatrum, common name Alexanders, is a cultivated flowering plant, belonging to the family Apiaceae (or Umbelliferae).
 It is also known as alisanders, horse parsley, and smyrnium.
 It was known to Theophrastus (9.1) and Pliny the Elder ("N.H. 19.48).
Viburnum dilatatum, commonly known as linden arrowwood or linden viburnum, is a deciduous perennial shrub in the family Caprifoliaceae or under some taxonomic concepts in the Adoxaceae family.
 It is native to Eastern Asia and can be found as an introduced plant in the mid-Atlantic regions in the U.S from New York to Virginia.
 "Viburnum dilatatum" may be an incipient invasive species in some regions of the United States.
 "Viburnum dilatatum" can be found growing in fertile soil with a pH of 7 to slightly acidic levels.
 Linden arrowwood is known for the clusters of red drupes it produces when it is mature.
Smyrnium is a genus of flowering plants in the family Apiaceae, the umbellifers.
Viburnum is a genus of about 150–175 species of shrubs or (in a few species) small trees in the moschatel family, Adoxaceae.
 Its current classification is based on molecular phylogeny.
 It was previously included in the family Caprifoliaceae.
Viburnum nudum is a plant in the genus "Viburnum" within the muskroot family, Adoxaceae.
 (It was formerly part of Caprifoliaceae, the honeysuckle family).
Viburnum davidii (common name David viburnum) is a species of flowering plant in the family Adoxaceae native to western China.
 Growing to 1.5 m tall and broad, it is an evergreen shrub with large, glossy, oval leaves up to 15 cm long.
 Round clusters of tiny white flowers are produced in late spring, followed in late summer and autumn by oval blue fruits.
 Both male and female plants are required to produce fruit.
Viburnum cinnamomifolium (common name cinnamon-leaved viburnum) is a species of flowering plant in the family Adoxaceae, native to western China.
 Growing to 5 m tall and broad, it is a substantial evergreen shrub with large, triple-veined, glossy, oval leaves up to 15 cm long.
 Round clusters of tiny white flowers are produced in late spring, followed in late summer and autumn by oval black fruits.
Viburnum ellipticum, the common viburnum or oval-leaved viburnum, is a species of shrub in family Adoxaceae.
 It is native to the western United States from Washington to central California, where it occurs in forests and mountain chaparral habitat.
 The shrub has deciduous leaves with oval or rounded blades 2 to 6 centimeters long.
 The leaf blade usually has three main longitudinal veins and a shallowly toothed edge.
 The inflorescence is a flat-topped cyme of many white flowers each 6 to 8 millimeters wide with five whiskery white stamens.
 The fruit is a drupe about a centimeter long.
Viburnum furcatum (common names forked viburnum and scarlet leaved viburnum) is a species of flowering plant in the family Adoxaceae (formerly Caprifoliaceae).
 Growing to 4 m tall and broad, it is a substantial deciduous shrub with rounded oval bronze-green leaves, turning red in autumn.
 Scented white flower-heads resembling those of lacecap hydrangeas are borne in summer, followed by black fruits.

Question: Do Viburnum and Smyrnium belong to the same family?
Answer: no