Plants

Xyris terrestris

Xyris thysanolepis

Xyris tomentosa

Xyris toronoana

Common Yelloweyed Grass

Xyris torta

Xyris tortilis

Xyris tortula

Xyris trichophylla

Xyris tristis

Xyris tuberosa

Xyris uleana

Xyris uninervis

Xyris valdeapiculata

Xyris velutina

Xyris veruina

Xyris vestita

Xyris villosicarinata

Xyris vivipara

Xyris wallichii

Xyris wawrae

Xyris welwitschii

Xyris witsenioides

Xyris xiphophylla

Xyroschoenus hornei

Yersinochloa nghiana

Yinshania acutangula

Yinshania furcatopilosa

Yinshania henryi

Yinshania zayuensis

Yorkia gramineoides

Yosemite rockcress

Yosemitea repanda

Indian Fountain-Bamboo

Yushania anceps

Yushania andropogonoides

Yushania angustifolia

Yushania auctiaurita

Hirsute chinacane

Yushania basihirsuta