Illustration of Acer rubrum (Red Maple)
Illustration of Andropogon gerardii (Big Bluestem)
Illustration of Arecaceae (Palm Tree)
Illustration of Arecaceae (Palm Tree)
Illustration of Arecaceae (Palm Tree)
Illustration of Arecaceae (Palm Tree)
Illustration of Centaurea spp. (Knapweed)
Illustration of Esox niger (Chain Pickerel)
Illustration of Eucalyptus spp. (Eucalypt)
Illustration of Fagus grandifolia (American Beech) leaves
Illustration of the flag for the United States of America
This symbol shows a flattened view of the official flag of Hawaii. The flag comprises of red, white, and blue stripes and includes the British flag in the top left-hand corner.
Illustration of indigenous management by Kuna peoples in Panama
Illustration of Juniperus virginiana (Eastern Red Cedar) leaves
Illustration of Kalmia latifolia (Mountain Laurel) flowers
Illustration of Liriodendron tulipifera (American Tulip Tree)
Illustration of Lythrum salicaria (Purple Loosestrife)
Illustration of Morone saxatilis (Striped Bass) feeding larvae
Illustration of Morone saxatilis (Striped Bass) yolk sac larvae
Illustration of Osmunda cinnamomea (Cinnamon Fern)
Illustration of Osmunda cinnamomea (Cinnamon Fern)
Illustration of Oxalis stricta (Common Yellow Woodsorrel)
Illustration of Phragmites australis (Common Reed) singular
Illustration of Pinus virginiana (Virginia Pine)
Illustration of Polystichum acrostichoides (Christmas Fern)
Illustration of Pseudoroegneria spicata (Bluebunch Wheatgrass)
Illustration of Ptychocheilus grandis (Sacramento Pikeminnow)
Illustration of Rhus radicans (Poison Ivy)
Illustration of Rhus radicans (Poison Ivy) leaf
Illustration of Salmo trutta (Brown Trout)
Side view illustration of adult Arctic Char
Illustration of Shepherdia argentea (Silver Buffaloberry)
Illustration of Solenopsis invicta (Red Imported Fire Ant)
Illustration of Solenopsis invicta (Red Imported Fire Ant)
Illustration of Spartina alterniflora (Smooth Cordgrass) singular
Illustration of Taxodium distichum (Bald Cypress) with knees
Illustration of Tsuga canadensis (Eastern Hemlock) with roots