Sambucus

Sambucus nigra ssp. canadensis (L.) R.Bolli = Sambucus canadensis L. American black elderberry, American black-fruited elderberry Native

Sambucus racemosa L. = Sambucus racemosa ssp. pubens (Michx.) House red elderberry, red-berried elderberry Native

Viburnum

Viburnum acerifolium L. mapleleaf viburnum Native

Viburnum dilatatum Thunb. linden viburnum, linden arrowwood Introduced

Viburnum lantana L. twistwood, wayfaring tree Introduced

Viburnum lantanoides Michx. = Viburnum alnifolium Marsh. hobblebush, witch-hobble Native

Viburnum lentago L. nannyberry, sweet viburnum Native

Viburnum nudum var. cassinoides (L.) Torrey & A.Gray = Viburnum cassinoides L. wild raisin viburnum, witherod Native

Viburnum nudum var. nudum L. smooth witherod Cultivated

Viburnum opulus L. ssp. opulus = Viburnum opulus L. var. opulus European highbush cranberry, guelder rose Introduced

Viburnum opulus ssp. trilobum (Marsh.) Clausen = Viburnum opulus var. americanum Aiton = Viburnum trilobum Marsh. American highbush cranberry Native

Viburnum plicatum Thunb. = Viburnum tomentosum Thunb. Japanese snowball viburnum Introduced

Viburnum rafinesqueanum var. rafinesqueanum J.A.Schultes downy arrowwood, Rafinesque's arrowwood Native — Endangered (Photographs of cultivated plants)

Viburnum recognitum Fern. = Viburnum dentatum var. lucidum Ait. = Viburnum recognitum Fern. northern arrowwood, smooth arrowwood Native

Viburnum rhytidophyllum Hemsl. leatherleaf viburnum Cultivated

Viburnum sargentii Koehne = Viburnum opulus var. sargentii (Koehne) Takeda Sargent's viburnum, Tianmu viburnum Waif

Viburnum setigerum Hance tea viburnum Waif

Viburnum sieboldii Miq. Siebold's viburnum Introduced (Photographs of cultivated plants)

Viburnum venosum Britt. = Viburnum dentatum var. venosum (Britton) Gleason southern arrowwood, veiny arrowwood Native

Viburnum ×rhytidophylloides Sur. = Viburnum lantana x V. rhytidophyllum hybrid viburnum (twistwood × leatherleaf) Cultivated