Iris tenax Douglas ex Lindl.

Toughleaf Iris

Phormium tenax J.R. Forst. & G. Forst.

New Zealand Flax

Phormium colensoi Hook.f.

Flax Lily

Phormium colensoi var. Tricolor

Flax Lily

Phormium tenax var. Purpureum

New Zealand Flax, Purple Flax

Phormium tenax var. Variegate

Variegated New Zealand flax

Xerophyllum tenax (Pursh) Nutt.

Bear Grass, Bear Lily, Elk Grass, Indian Basket Grass, quip-quip, Soap Grass, Squaw Grass, Western Turkeybeard

Bumelia tenax (L.) Willd.

= Sideroxylon Tenax

Sideroxylon tenax L.

Cullen tenax (Lindl.) J.W. Grimes

Psoralea tenax Lindl.

Nepenthes tenax C. Clarke & R. Kruger

Euphorbia tenax Burch.

Germainia tenax (Balansa) Chai-Anan

Eschweilera tenax (Moritz ex O.Berg) Miers

Obetia tenax (N.E.Br.) Friis

Acmadenia tenax I.Williams

Vaccinium tenax Argent