Mitteldorf Preserve Field Guide

Equisetum telmateia, the great horsetail or northern giant horsetail, is a species of Equisetum (horsetail) with an unusual distribution, with one subspecies native to Europe, western Asia and northwest Africa, and a second subspecies native to western North America. The North American subspecies is often simply but ambiguously called "giant horsetail", but that name may just as well refer to the Latin American Equisetum giganteum and Equisetum less ↑

Cystopteris fragilis is a species of fern known by the common names brittle bladder-fern and common fragile fern. It can be found worldwide, generally in shady, moist areas. The leaves are up to 30 or 40 centimeters long and are borne on fleshy petioles. Each leaf is divided into many pairs of leaflets, each of which is subdivided into lobed segments. The underside of the leaf has many rounded sori containing the sporangia. less ↑

Polystichum munitum, the western swordfern, is an evergreen fern native to western North America, where it is one of the most abundant ferns. It occurs along the Pacific coast from southeastern Alaska to southern California, and also inland east to southeastern British Columbia, northern Idaho and western Montana, with isolated populations in interior northern British Columbia, the Black Hills in South Dakota, and on Guadalupe Island off Baja California. less ↑

Polypodium calirhiza is a species of fern in the polypody family. Its common names include nested polypody and habit polypody. It is found in California and Oregon in the U.S., and several states of Mexico: Colima, Jalisco, Mexico State, Oaxaca, and Veracruz. The leaflets on each leaf are broad and oval-shaped, coming to a dull point. This fern is sometimes epiphytic. less ↑

Sequoia sempervirens /sɪˈkɔɪ.ə sɛmpərˈvaɪrənz/ is the sole living species of the genus Sequoia in the cypress family Cupressaceae (formerly treated in Taxodiaceae). Common names include coast redwood, coastal redwood and California redwood. It is an evergreen, long-lived, monoecious tree living 1,200–1,800 years or more. This species includes the tallest living trees on Earth, reaching up to 379 feet (115.5 m) in height (without the roots) and up to 29.2 less ↑

Trifolium arvense , commonly known as hare's-foot clover, rabbitfoot clover, stone clover or oldfield clover, is a flowering plant in the bean family Fabaceae. This species of clover is native to most of Europe, excluding the Arctic zone, and western Asia, in plain or mid-mountain habitats up to 1,600 metres (5,200 ft) altitude. It grows in dry sandy soils, both acidic and alkaline, typically found at the edge of fields, in wastelands, at the side of road less ↑

Trifolium bifidum is a species of clover known by the common names notchleaf clover and pinole clover. It is native to the western United States from Washington to California, where it grows in many types of habitat. It is an annual herb spreading or growing erect in form. It is lightly hairy to hairless in texture. The leaves are made up of oval leaflets 1 to 2 centimeters long, usually with notches in the tips. The... less ↑

Trifolium gracilentum is a species of clover known by the common names pinpoint clover and slender clover. It is native to western North America including the west coast of the United States and northwestern Mexico, where it grows in many types of habitat, including disturbed areas. It is an annual herb growing prostrate to erect in form with mostly hairless or slightly hairy herbage. The leaves are made up of lance-shaped to oval leaflets. The inflorescence... less ↑

Trifolium gracilentum is a species of clover known by the common names pinpoint clover and slender clover. It is native to western North America including the west coast of the United States and northwestern Mexico, where it grows in many types of habitat, including disturbed areas. It is an annual herb growing prostrate to erect in form with mostly hairless or slightly hairy herbage. The leaves are made up of lance-shaped to oval leaflets. The inflorescence... less ↑

Medicago polymorpha is a plant species of the genus Medicago. It is native to the Mediterranean basin but is found throughout the world. It forms a symbiotic relationship with the bacterium Sinorhizobium medicae, which is capable of nitrogen fixation. Common names include California burclover, toothed bur clover, toothed medick and burr medic. less ↑

Acmispon brachycarpus (formerly Lotus humistratus:725) is a species of legume known by the common name foothill deervetch. It is native to western North America from Idaho to Texas to northern Mexico, where it is known from many types of habitat. It is an annual herb spreading upright or taking a clumpy or matted form. It is lined with leaves each usually made up of four hairy, somewhat fleshy leaflets each up to about 1 cm long.... less ↑

Acmispon glaber (previously Lotus scoparius) (common deerweed, deer weed, deervetch, California broom or western bird's-foot trefoil) is a perennial subshrub in the family Fabaceae (pea family). The plant is a pioneer species found in dry areas of California, Arizona, and Mexico. It is commonly found in many areas including chaparral, coastal sand and roadsides at elevations below 1500 m. less ↑

Acmispon glaber (previously Lotus scoparius) (common deerweed, deer weed, deervetch, California broom or western bird's-foot trefoil) is a perennial subshrub in the family Fabaceae (pea family). The plant is a pioneer species found in dry areas of California, Arizona, and Mexico. It is commonly found in many areas including chaparral, coastal sand and roadsides at elevations below 1500 m. less ↑

Syrmatium micranthum, synonym Lotus hamatus and Acmispon micranthus, is a species of legume native to California and northwestern Mexico. It is known by the common name San Diego bird's-foot trefoil. It is found in the coastal mountain ranges of California and Baja California, where it grows in various types of scrub and canyon habitat. It is an annual herb taking a spreading or upright form. It is lined with leaves each made up of oval leaflets... less ↑

Acmispon parviflorus, synonym Lotus micranthus, is a species of legume. It is known by the common name desert deervetch. It is native to western North America from British Columbia to southern California, where it is known from many types of habitat. It is a hairy to hairless annual herb lined with leaves each made up of small oval leaflets. Solitary flowers appear in the leaf axils. Each is an ephemeral pinkish pealike bloom under a centimeter... less ↑

Acmispon wrangelianus is a species of legume known by the common names Chilean bird's-foot trefoil and Chile lotus. It is native to California, where it is widespread, and parts of adjacent states. Despite its common name, it is not from Chile. It can be found in many types of habitat, including disturbed areas. This is a hairy, prostrate annual herb. Its slender branches are lined with leaves each made of generally four small leaflets. The inflorescence... less ↑

Lupinus albifrons, silver lupine, white-leaf bush lupine, or evergreen lupine, is a species of lupine (lupin). It is native to California and Oregon, where it grows along the coast and in dry and open meadows, prairies and forest clearings. It is a member of several plant communities, including coastal sage scrub, chaparral, northern coastal scrub, foothill woodland, and yellow pine forest. less ↑

Lupinus latifolius is a species of lupine known by the common name broadleaf lupine. It is native to western North America from British Columbia to Baja California to New Mexico, where it is common and can be found in several types of habitat. There are several subtaxa, described as subspecies or varieties, some common and some rare. They vary in morphology. In general this plant is an erect perennial herb. It grows 30 centimeters to over... less ↑

Lupinus nanus ("sky lupine", "field lupine", "dwarf lupin", "ocean-blue lupine" or "Douglas' annual lupine"), is a species of lupine native to the western United States. It is found natively in California, Nevada, and on Steens Mountain in eastern Oregon. It tends to be found growing on slopes and in open or disturbed areas below 1300 meters. It grows 6 to 20 inches tall with blue flowers containing white or yellow spots. It is an annual plant... less ↑

Lathyrus vestitus is a species of wild pea known by the common name Pacific pea. It is native to western North America, where it is mostly found in the forests, woodlands, and chaparral of California. The ranges of some subspecies extend into Oregon and Baja California. This is a perennial pea vine which varies in appearance across subspecies. Leaves are made up of several leaflets of various shapes up to 4 or 5 centimeters long. The... less ↑

Vicia americana is a species of legume in the vetch genus known by the common names American vetch and purple vetch. It includes a subspecies known as mat vetch. It is a climbing perennial forb that grows from both taproot and rhizome. The leaves are each made up of oblong leaflets and have tendrils for climbing. It bears showy pea-like flowers in shades of lavender and fuchsia. The fruit is a hairless pod about 3 centimeters... less ↑

Vicia americana is a species of legume in the vetch genus known by the common names American vetch and purple vetch. It includes a subspecies known as mat vetch. It is a climbing perennial forb that grows from both taproot and rhizome. The leaves are each made up of oblong leaflets and have tendrils for climbing. It bears showy pea-like flowers in shades of lavender and fuchsia. The fruit is a hairless pod about 3 centimeters... less ↑

Vicia nigricans is a species of vetch known by the common name black vetch. It has a disjunct distribution, its two subspecies divided by thousands of miles in range. The northern subspecies, ssp. gigantea (giant vetch), is native to western North America from Alaska to northern California, where it occurs in coastal and moist inland habitat and disturbed areas. The southern subspecies, ssp. nigricans, occurs in southern South America, in Argentina and Ch less ↑

Vicia villosa, known as the hairy vetch, fodder vetch or winter vetch, is a plant native to some of Europe and western Asia. It is a legume, grown as a forage crop, fodder crop, cover crop, and green manure. Although non-native, it occurs in all US states and is considered invasive by some states, such as Alaska, Florida, Georgia, Michigan, Minnesota, Oregon, and Washington state — as well as in Japan and some parts of Europe... less ↑

Urtica dioica, often called common nettle, stinging nettle (although not all plants of this species sting) or nettle leaf, is a herbaceous perennial flowering plant in the family Urticaceae. It is native to Europe, Asia, northern Africa, and western North America, and introduced elsewhere. The species is divided into six subspecies, five of which have many hollow stinging hairs called trichomes on the leaves and stems, which act like hypodermic needles, injectin less ↑

Urtica urens, commonly known as annual nettle, dwarf nettle, small nettle, dog nettle or burning nettle, is a herbaceous annual flowering plant species in the nettle family Urticaceae. It is native to Eurasia and it can be found in North America and New Zealand as an introduced species. It is reputed to sting more strongly than the Common Nettle/Stinging Nettle. less ↑

Scarlet pimpernel, commonly known as blue-scarlet pimpernel, red pimpernel, red chickweed, poorman's barometer, poor man's weather-glass, shepherd's weather glass or shepherd's clock, is a low-growing annual plant. The native range of the species is Europe and Western Asia and North Africa. The species has been distributed widely by humans, either deliberately as an ornamental flower or accidentally. A. arvensis is now naturalised alm less ↑