We've added more plant species! Here you will find an alphabetical list of 30 native trees/shrubs, 24 native wildflowers, 3 common exotic weeds, 2 common exotic ornamentals, and all of the USA-NPN calibration species. These plants were chosen because they are easy to identify and widespread, spanning the continental United States.
Click on the plant name below for information about the plant including a picture, phenological events to observe, and a printable identification guide.


Native Trees/Shrubs
Common Name Scientific Name
American linden, Basswood Tilia americana
Antelope bitterbrush  Purshia tridentata
Aspen Populus tremuloides
Beaked hazelnut Corylus cornuta
Big leaf maple Acer macrophyllum
Big sagebrush  Artemisia tridentata
Black locust Robinia pseudoacacia
Blue elder, Common elderberry Sambucus mexicana
(=S. nigra)
Boxelder  Acer negundo
Chokecherry  Prunus virginiana
Common snowberry  Symphoricarpos albus
Creeping barberry  Mahonia repens
Curl-leaf mountain mahogany, Mountain mahogany Cercocarpus ledifolius
Douglas-fir  Pseudotsuga menziesii
Eastern serviceberry, juneberry Amelanchier canadensis
Eastern white pine Pinus strobus
Flowering dogwood Cornus florida
Kinnikinnick  Arctostaphylos uva-ursi
Lewis' mock orange  Philadelphus lewisii
Longleaf pine Pinus palustris
Pacific dogwood Cornus nuttallii
Paper birch  Betula papyrifera
Ponderosa pine  Pinus ponderosa
Red maple Acer rubrum
Red osier dogwood  Cornus sericea
Rocky mountain maple  Acer glabrum
Saguaro Carnegiea gigantea
Shrubby cinquefoil  Dasiphora floribunda
Tulip poplar Liriodendron tulipifera
Western serviceberry  Amelanchier alnifolia
Woods' rose  Rosa woodsii
   
Common Ornamentals
Forsythia Forsythia x intermedia 
Lilac Syringa vulgaris 
   
Common Weeds
Common dandelion  Taraxacum officinale
Field mustard, turnip Brassica rapa
White clover  Trifolium repens
   
Native Flowers
Common Name Scientific Name
American pasqueflower  Pulsatilla patens
Bigleaf lupine, Wyethís lupine Lupinus polyphyllus
Bitter root Lewisia rediviva
California poppy Eschscholzia californica
Colorado blue columbine Aquilegia caerulea
Common yarrow  Achillea millefolium
Darkthroat shooting star Dodecatheon pulchellum
Eastern red columbine Aquilegia canadensis
Indian pink Spigelia marilandica
Jack in the pulpit Arisaema triphyllum
Lanceleaf springbeauty Claytonia lanceolata
Large flowered trillium Trillium grandiflorum
Mayapple Podophyllum peltatum
Pacific trillium  Trillium ovatum
Pink evening primrose Oenothera speciosa
Purple passion flower Passiflora incarnata
Saguaro Carnegiea gigantea
Scarlet gilia Ipomopsis aggregata
Silverleaf phacelia  Phacelia hastata
Soft green eyes Berlandiera pumila
Spiderwort Tradescatia ohiensis
Trout lily Erythronium americanum
Virginia bluebells Mertensia virginica
Woods strawberry Fragaria virginiana
   
USA-NPN Calibration Species (more info)
(identification guides coming soon)
Aspen Populus tremuloides
Alfalfa Medicago sativa   
Apple Malus pumila
Big bluestem Andropogon gerardii
Blue grama Bouteloua gracilis
Canada thistle Cirsium arvense
Chokecherry  Prunus virginiana
Common dandelion  Taraxacum officinale
Eastern redcedar Juniperus virginiana
Forsythia Forsythia x intermedia
Pinyon pine spp Pinus edulis/monophylla
Ponderosa pine Pinus ponderosa
Ragweed spp Ambrosia artemisiifolia/psilostachya
Red maple Acer rubrum
Spotted knapweed Centaurea stoebe (syn C. maculoba)
Switchgrass Panicum virgatum
Woods strawberry Fragaria virginiana
Western wheatgrass Pascopyrum smithii (syn Agropyron smithii)