Common Name

Scientific Name

Common Name

Scientific Name

Yam

Dioscorea alata

Yellow-eyed grass

Xyris spp.

Yarrow

Achillea millefolium

Yellow jessamine

Gelsemium sempervirens

Yaupon

Ilex vomitoria

Yellow morel

Morchella esculenta

Yeast, bakers'

Saccharomyces cerevisiae

Yellow poplar

Liriodendron tulipifera

Yeast, brewers'

Saccharomyces cerevisiae

Yew, Pacific

Taxus brevifolia

Yeast, rose-colored

Sporobolomyces roseus

Yucca

Yucca spp.

Yellow birch

Betula alleghaniensis