Illustration of Centaurea solstitialis (Yellow Starthistle)
Illustration of Centaurea spp. (Knapweed)
Illustration of Lythrum salicaria (Purple Loosestrife)
Illustration of Osmunda cinnamomea (Cinnamon Fern)
Illustration of Oxalis stricta (Common Yellow Woodsorrel)
Illustration of Penstemon barbatus (Golden-beard Penstemon)
Illustration of Polystichum acrostichoides (Christmas Fern)
Illustration of Rhus radicans (Poison Ivy)
Illustration of Rhus radicans (Poison Ivy) leaf
Front illustration of a Dwarf Naupaka, endemic to the Hawaiian islands. Dwarf naupaka formerly grew in coastal sites, primarily on consolidated sand dunes, on all of the main islands and was probably never very common. Today, it is endangered
Illustration of Sida fallax (Ilima)