Also known as Juglans nigra. A species of flowering tree in the hickory tree, native to eastern North…
Also known as Juglans californica. A species of walnut shrub endemic to California.
Also known as Populus trichocarpa. The branch of a Black Cottonwood tree, native to western North America.
Also known as Salix nigra. The branch of a Black Willow tree, native to eastern North America.
Also known as Quercus velutina. The branch of an Eastern Black Oak tree, native to eastern North America.
Also known as Quercus kelloggii. The branch of a California Black Oak, native to western North America.
Also known as Quercus ilicifolia. The branch of a Bear Oak tree, native to the northeastern United States.
The acanthus mollis latifolius variety of Bear's Breech have white or rose hued flowers. The flowers…
The acanthus spinosus variety of Bear's Breech has purple flowers growing along spikes. The leaves are…
The acataea spicata has white, bluish flowers with black berries. The berries are poisonous. The common…
A cartoon of a woman teaching to two bears, who are sitting on a bench and reading books.
The ada aurantiaca is an orchid that is an orange-scarlet color. Each flower is streaked with black…
The anemone fulgens flower is a dazzling scarlet color with a black central patch of stamens. This flower…
The common name of asplenium is spleenwort. Asplenium adiantum-nigrum is known as black spleenwort.…
This variety of black spleenwort is the large crested variety. The fronds are six to twelve inches long.…
Faba vulgaris is commonly known as broad bean. It is also known as the fava bean. The flowers are white…
The flowers of bulbocodium vernum are a violet-purple color with a white spot on the claw. The flowers…
The chrysalis of the large cabbage butterfly caterpillar is sometimes found directly on the cabbage…
A female large white cabbage butterfly has two large black spots on each upper wing. The body is black…
The skin of black bourjassotte figs is black. The fruit is a deep red. These figs are delicious.
These spores of fungi are species of the genus Agaricus. Most of these species have colorless spores…
The flowers of garrya elliptica are greenish white or yellowish in color. The berries on the shrub are…
The female gipsy moth is larger than the male. The wings are a dingy or yellowish white with darker…
The Gooseberry or Magpie moth is often mistaken for a butterfly. The moth usually appears in the middle…
The front wings are the small ermine moth are white or gray with numerous small black dots. The lower…
Helleborus foetidus is commonly known as bear's foot. The flowers are green with brown edged sepals.…
The common names of hypericum perforatum are common hypericum and St. John's wort. The flowers are bright…
Iris susiana flowers grow alone of each stem. The flowers are a whitish lilac with dense, fine brown…
Bombyx Neustria, or the lackey moth, lay their eggs on the twigs of various trees. When the larvae emerge…
The antennae if the female leopard moth are thread like. The wings are semi-translucent with thickly…
The larva, or caterpillar, of the leopard moth is whitish with black glossy spots. The caterpillar has…
Lilium concolor pulchelium is a variety of lily. The flowers are bright scarlet with a few faint spots…
Common tiger lily is the common name of lilium tigrinum. The flowers are a bright, deep, orange red.…
The caterpillar of the brown-tail moth is black with warty tubercles. The caterpillar emits tufts of…
Satin moth is the common name of liparis salicis. The caterpillar bears a row of white spots down the…
Lotus jacobaeus flowers are dark purple, almost black. The upper petal is yellowish. The plant grows…
The mammillaria haageana cactus has bright carmine rose flowers. The stem is bullet shaped when young…
The leaves of massangea hieroglyphica are dark green banded with violet black. The markings on the leaves…
The common name of myrtus is myrtle. The ugni variety has white flowers that bloom in May. The fruit…
Nut weevil is the common name of balaninus nucum. The weevil is one third of an inch long with an egg…
Pictured are the beetle of the natural size (a), and enlarged (b), and a pea (c) in which the hole of…
Fan training of pears is better adapted for walls that are much higher than those usually surrounding…
Pictured is a group of young spore bearers of agaricus melleus. The mushrooms can be found growing between…
Black sugar maple is the common name of acer nigrum. The leaves are generally three lobed and five to…
The flowers of Acineta barkeri are yellow striped with red-brown. The pseudobulbs has a cone shape,…
Acrocomia is a genus of American palms. The sclerocarpa species grows between thirty and forty five…
The leaves of Adiantum continuum are twelve to eighteen inches long and grow on stout, black stalks.…
The common name of Alnus glutinous is black alder. The leaves are two to five inches long with five…
Amelanchier alnifolia is a ten foot tall shrub with stout, upright branches. The flowers are rather…
The Amelanchier bartramiana shrub grows up to eight feet tall. The fruit is purplish black and bloomy.
Anemone fulgens flowers are two inches across and vivid scarlet with a black stamen. Several leaves…
Pictured is the original McIntosh apple tree. The tree was discovered in 1796. The tree was transplanted…
The larva of the tussock moth bear several pencils of long black hairs placed at each end. The larva…
Pictured is a black spruce attacked by the dwarf mistletoe, Arceuthobium pusillum. This caused witches'…
Bear berry is the common name of Arctostaphylos uva-ursi. The flowers are small, white and tinged with…
The common names of Arum maculatum are lords-and-ladies, cuckoo-pint, and wake robin. The plant usually…
Arundinaria nitida is a variety of bamboo. It grows six to ten feet tall. The stems are slender and…