USDA PLANTS database profile.

USDA PLANTS Profile.

USDA PLANTS Profile for Agave americana (American century plant)

USDA PLANTS profile for Salix candida (sageleaf willow)

USDA PLANTS National Database.

Several images are available from the USDA PLANTS Profile.

USDA PLANTS Profile for Arum italicum (Italian lords and ladies)

USDA PLANTS Profile for Livistona chinensis (fountain palm)

USDA PLANTS Profile for Pinus lambertiana (sugar pine)

USDA PLANTS Profile for Hibiscus coccineus (scarlet rosemallow).