Rudbeckia hirta, commonly called black-eyed Susan, is a North American flowering plant in the family Asteraceae, native to Eastern and Central North America and naturalized in the Western part of the continent as well as in China. It has now been found in all 10 Canadian Provinces and all 48 of the states in the contiguous United States.
Echium vulgare, known as viper's bugloss and blueweed, is a species of flowering plant in the borage family Boraginaceae. It is native to most of Europe and western and central Asia and it occurs as an introduced species in north-eastern North America, south-western South America and the South and North Island of New Zealand. The plant root was used in ancient times as a treatment for snake or viper bites. If eaten, the plant is toxic to horses and cattle through the accumulation of pyrrolizidine alkaloids in the liver.
Hydrangea quercifolia, commonly known as oakleaf hydrangea or oak-leaved hydrangea, is a species of flowering plant in the family Hydrangeaceae. It is native to the southeastern United States, in woodland habitats from North Carolina west to Tennessee, and south to Florida and Louisiana. A deciduous shrub with white showy flower heads, it is grown as a garden plant, with numerous cultivars available commercially.
Arabis, or rockcress, is a genus of flowering plants, within the family Brassicaceae.
Calycanthus, called sweetshrub, is a genus of flowering plants in the family Calycanthaceae. The genus includes two to four species depending on taxonomic interpretation; three are accepted by most 21st century sources.
Armeria maritima, the thrift, sea thrift or sea pink, is a species of flowering plant in the family Plumbaginaceae. It is a compact evergreen perennial which grows in low clumps and sends up long stems that support globes of bright pink flowers. In some cases purple, white or red flowers also occur. It is a popular garden flower and has been distributed worldwide as a garden and cut flower. It does well in gardens designed as xeriscapes or rock gardens. The Latin specific epithet maritima means pertaining to the sea or coastal.
Ribes sanguineum, the flowering currant, redflower currant, red-flowering currant, or red currant is a North American species of flowering plant in the family Grossulariaceae, native to the western United States and Canada.
Narcissus pseudonarcissus, commonly named the wild daffodil or Lent lily, is a perennial flowering plant.
Symphyotrichum ericoides, known as white heath aster, frost aster, or heath aster, is a species of flowering plant in the family Asteraceae native to much of central and eastern North America. It has been introduced to parts of Europe and western Asia.
Symphyotrichum novi-belgii, commonly called New York aster, is a species of flowering plant. It is the type species for Symphyotrichum, a genus in the family Asteraceae, whose species were once considered to be part of the genus Aster. Plants in both these genera are popularly known as Michaelmas daisy because they bloom around September 29, St. Michael’s Day.
Arabis hirsuta, known as hairy rock-cress, is a flowering plant of the genus Arabis in the family Brassicaceae. In previous North American works, this species has been broadly defined to include plants native to Europe, Asia, and the northern half of North America, but is now more often restricted to a narrower subgroup restricted to Europe.
Phlox divaricata, the wild blue phlox, woodland phlox, or wild sweet william, is a species of flowering plant in the family Polemoniaceae, native to forests and fields in eastern North America.
Erythranthe cardinalis, the scarlet monkeyflower, is a flowering perennial in the family Phrymaceae. Together with other species in Mimulus section Erythranthe, it serves as a model system for studying pollinator-based reproductive isolation. It was formerly known as Mimulus cardinalis.
Physocarpus opulifolius, known as common ninebark, Eastern ninebark, Atlantic ninebark, or simply ninebark, is a species of flowering plant in the rose family Rosaceae, native to eastern North America.
Heliopsis helianthoides is a species of flowering plant in the family Asteraceae, known by the common names rough oxeye, smooth oxeye and false sunflower. It is native to eastern and central North America from Saskatchewan east to Newfoundland and south as far as Texas, New Mexico, and Georgia.
Melaleuca citrina, the common red bottlebrush, crimson bottlebrush, or lemon bottlebrush, is a plant in the myrtle family Myrtaceae, and is endemic to eastern Australia. Some Australian state herbaria continue to use the name Callistemon citrinus. It is a hardy and adaptable species, common in its natural habitat. It is widely cultivated, not only in Australia. It was one of the first Australian plants to be grown outside the country, having been taken to England in 1770 by Joseph Banks. Its showy red flower spikes, present over most of the year in an ideal situation, account for its popularity.
Arabis procurrens, the running rockcress or spreading rock cress, is a species of flowering plant in the family Brassicaceae. It is a spreading evergreen or semi-evergreen perennial, forming a dense mat of foliage, with loose racemes of white flowers in spring, suitable for cultivation in the alpine garden.
Arabis caucasica is a species of flowering plant in the mustard family (Brassicaceae) known by the common names garden arabis, mountain rock cress or Caucasian rockcress.
Indigofera howellii is a species of flowering plant in the family Fabaceae, native to south-central China, Tibet, and Myanmar. Its cultivar 'Reginald Cory' has gained the Royal Horticultural Society's Award of Garden Merit. The species is named in honour of Edward Butts Howell.
Aethionema armenum, also called rock cress, stonecress, or Persian candytuft, is a low-growing evergreen shrub in the Brassicaceae family native to the Mediterranean. There, it is typically found on rocky slopes above 800 meters.
