Salix purpurea, the purple willow, purpleosier willow, or purple osier, is a species of willow native to most of Europe and western Asia north to the British Isles, Poland, and the Baltic States.
Isoetes louisianensis, the Louisiana quillwort, is a small, grass-like aquatic plant of the family Isoetaceae. It is "one of the rarest quillworts in North America." It occurs in only five locations in St. Tammany and Washington Parishes of Louisiana, as well as some spots in southern Mississippi and south-central Alabama. It is federally listed as an endangered species, partly due to its highly restricted range.
Veronica officinalis, the heath speedwell, common gypsyweed, common speedwell, or Paul's betony, is a species of flowering plant in the plantain family Plantaginaceae. It is native to Europe and western Asia. It has been introduced to North America and is widely naturalised there.
Trifolium campestre, commonly known as hop trefoil, field clover and low hop clover, is a species of flowering plant native to Europe and western Asia, growing in dry, sandy grassland habitats, fields, woodland margins, roadsides, wastelands and cultivated land. The species name campestre means "of the fields".
Viola lutea, the mountain pansy, is a species of flowering plant in the Viola genus of the viola family, Violaceae. This evergreen perennial grows in Europe, from the British Isles to the Balkans.
Viola canadensis is a flowering plant in the Violaceae family. It is commonly known as Canadian white violet, Canada violet, tall white violet, or white violet. It is widespread across much of Canada and the United States, from Alaska to Newfoundland, south as far as Georgia and Arizona. It is a perennial herb and the Latin-specific epithet canadensis means of Canada.
Viola sororia, known commonly as the common blue violet, is a short-stemmed herbaceous perennial plant native to eastern North America. It is known by a number of common names, including common meadow violet, purple violet, woolly blue violet, hooded violet, and wood violet.
Viola beckwithii, known commonly as the Great Basin violet, Beckwith's violet, and sagebrush pansy, is a species of violet native to the western United States. It is an early-flowering plant of sagebrush habitats in the Great Basin region.
Viola adunca is a species of violet known by the common names hookedspur violet, early blue violet, sand violet, and western dog violet. It is native to meadows and forests of western North America, Canada, and the northern contiguous United States.
Geranium ibericum, commonly called Caucasian crane's-bill or Iberian geranium or Caucasus geranium, is a herbaceous plant species in the family Geraniaceae. It is native to Western Asia, including Turkey and the Caucasus, and is cultivated as a garden subject. It has a dense mounding habit, and violet colored flowers.
Sisyrinchium idahoense, the Idaho blue-eyed grass, is a perennial that is native to western North America. It is not a true grass, but is instead in the family Iridaceae.
Viola blanda, commonly called the sweet white violet, is a flowering perennial plant in the Violet family (Violaceae). It is native to parts of south-eastern and south-central Canada and the eastern, and north-central, United States. Its natural habitat is in cool, mesic forests.
Viola macloskeyi is a flowering perennial plant in the violet family (Violaceae).
Viola nuttallii is a perennial herbaceous plant in the violet family (Violaceae), and is one of the few violet species with lanceolate leaves. It is native to the western Canada and the north-central and western United States, appearing in upper steppe lands, forests, and alpine ridges.
Thalia dealbata, the powdery alligator-flag, hardy canna, or powdery thalia, is an aquatic plant in the family Marantaceae, native to swamps, ponds and other wetlands in the southern and central United States. Its range includes much of Coastal Plains and the lower Mississippi Valley. The plant has been grown as an aquatic ornamental because of the pretty violet flowers, and in cultivation has been proved hardy as far north as Philadelphia (Pennsylvania) and Vancouver.
Viola lanceolata, commonly known as lance-leaved violet or bog white violet, is a small group of stemless white-flowered violets. It is an ornamental plant in the Violaceae family, part of the genus Viola. It gets its name from its lanceolate leaf shape and from the habitats in which it thrives.
Viola striata is a species of violet known by the common names striped cream violet and creamy violet. It is native to eastern North America, with its distribution being centered in interior areas away from the coastal plain. Its preferred habitat is mesic forests. It is a small, caulescent, perennial herb that has purple-striped white flowers in the spring.
Viola tripartita is a species of violet known by the common name threepart violet. It is native to Eastern North America, being primarily found in the Southern Appalachian Mountains. Its preferred habitat is rich, mesic forests over calcareous rocks. It is a small perennial herb that has yellow flowers in the spring. It is distinguished from other caulescent yellow violets native to the area by having leaves that are wider than long which have a cuneate base.
Viola hastata, commonly known as the halberd-leaved yellow violet, is a perennial plant in the violet family found in the eastern United States. It blooms from March to May with yellow flowers.
Stylosanthes biflora, known by the common names pencil flower, sidebeak pencilflower, and endbeak pencilflower, is a species of flowering plant in the Fabaceae (legume) family. It is native to the Southeastern United States where it is widespread in open areas of native vegetation. It produces yellow-orange flowers in the summer and fall.
