Flora north america.

Flora of North America North of Mexico: A Flora for the 21st Century. Flora of North America is an enormous undertaking, but the accumulation of data from …Poaceae, formerly called Gramineae, grass family of monocotyledonous flowering plants, a division of the order Poales.The Poaceae are the world’s single most important source of food. They rank among the top five families of flowering plants in terms of the number of species, but they are clearly the most abundant and important family of …Jul 28, 2020 · Climate and Physiography. Soils. History of the Vegetation: Cretaceous (Maastrichtian)-Tertiary. Paleoclimates, Paleovegetation, and Paleofloras during the Late Quaternary. Vegetation. Phytogeograhy. Taxonomic Botany and Floristics. Weeds. Ethnobotany and Economic Botany. A thousand or so years later, nearly one third of the habitable world in the Americas had been discovered and populated by these first Americans. Previously, the flora and fauna of North America had an evolutionary and ecological history completely apart from the influence of humans. But that was all about to change.Etymology: Classical Latin for the English oak, Quercus robur, from some central European language. Treatment appears in FNA Volume 3. Trees or shrubs, evergreen or winter-deciduous, sometimes rhizomatous. Terminal buds spheric to ovoid, terete or angled, all scales imbricate. Leaves: stipules deciduous and inconspicuous (except in Quercus ...

Information From Cupressaceae http://worldfloraonline.org/organisation/Cupressaceae Conifers. World Flora Online Data. 2022. A CC0 1.0 Universal (CC0 1.0).; Flora of ...Quercus emoryi, the Emory oak, is a species of oak common in Arizona (including inside Saguaro National Park), New Mexico and western Texas (including inside Big Bend National Park), United States, and northern Mexico (Sonora, Chihuahua, Coahuila (including Parque Nacional Maderas del Carmen), Durango, Nuevo León, and San Luis Potosí). It typically …

Cenozoic Era, third of the major eras of Earth’s history, beginning about 66 million years ago and extending to the present. It was the interval of time during which the continents assumed their modern configuration and geographic positions and during which Earth’s flora and fauna evolved toward those of the present.

Discussion. Symphyotrichum dumosum is introduced in New Brunswick. It is widely cultivated. It can hybridize with S. racemosum and S. lanceolatum var. interior (A. G. Jones 1989). G. L. Nesom (1994b) and J. C. Semple et al. (2002) recognized several varieties within the complex: var. dumosum [syn. Aster coridifolius Michaux, A. dumosus Linnaeus ...Cones up to 1.8 x 0.5 cm., with a blunt conical apex; sporangiophores 1–1.5 mm. in diam. Branches produced at the nodes up to 14 in each whorl, up to 13 cm. long, c. 1–1.5 mm. in diam. Subterranean stems black, up to 3 mm. in diam., horizontal to erect, bearing roots and aerial stems up to 2 m. high with primary axis erect up to 5 mm. in diam., conspicuously …Species ca. 70 (9 in the flora). The North American species of Parnassia usually occur in moist to wet sites on neutral to base-rich substrates, but P. asarifolia often occurs on acidic substrates. The treatment of Parnassia cirrata and P. fimbriata follows that proposed by R. B. Phillips (1980).The Flora of North America Project will treat more than 20,000 species of plants native or naturalized in North America north of Mexico, about 7% of the world's total. Both …

In the far north, the continent stretches halfway around the world, from Greenland to the Aleutians. But at Panama’s narrowest part, the continent is just 50 kilometers (31 miles) across. North America’s physical geography, environment and resources, and human geography can be considered separately.

Flora of North America (FNA) presents for the first time, in one published reference source, information on the names, taxonomic relationships, continent-wide distributions, and morphological characteristics of all plants native and naturalized found in North America north of Mexico.

Key. 1. Fertile leaves with pinnae monomorphic, all spore-bearing; tuft of hairs persistent on abaxial surface of pinnae near base. Osmunda cinnamomea. 1. Fertile leaves with pinnae dimorphic, some spore-bearing, some not; tuft of hairs absent on abaxial surface of pinnae near base. > 2. 2. Sterile leaves 2-pinnate with pinnules sessile.Poaceae, formerly called Gramineae, grass family of monocotyledonous flowering plants, a division of the order Poales.The Poaceae are the world’s single most important source of food. They rank among the top five families of flowering plants in terms of the number of species, but they are clearly the most abundant and important family of …Jul 30, 2020 · All species of Elymus are alloploids that combine one copy of the St haplome present in Pseudoroegneria with at least one other haplome. So far as is known, all species that are native to North America, as well as many species native to northern Eurasia, are tetraploids with one additional haplome, the H genome from Hordeum sect. Critesion. The great white trillium is an herbaceous, long-lived, woodland, perennial wildflower with a broad distribution in eastern North America. This trillium occurs on well-drained, rich, mesic soils in deciduous or mixed deciduous/coniferous forests. Great white trillium occurs from southern Quebec and Ontario and then Maine west to northeastern ...Plants small (up to ca. 4 mm long), ± erect sparingly branched, often tinged with red. Leaves up to ca. 1.7 mm long the perichaetial leaves usually longest, narrowly oblong or lanceolate, acute to broadly and bluntly acute; margins unbordered, entire or crenulate-serrulate; costa ending 2-4 cells below the apex to short-excurrent; dorsal lamina ending at the leaf …Temperate forests are found across eastern North America and Eurasia. The temperatures of temperate forests vary throughout the year because of the four distinct seasons at these latitudes. Precipitation is abundant and lends to fertile soil that is able to support diverse flora like maples, oak, and birch.

A comprehensive online resource for the flora of North America, covering all plant families and genera, with detailed information on each family's distribution, ecology, and taxonomy. Browse the family list, online volumes, and primary resources by volume or by family name.29 Kas 2012 ... This animation describes the continent of North America in terms of its climate, vegetation and wildlife. This is a product of Mexus ...Flora of North America : Taxon Id: Name # Lower Taxa : Volume: 123645: Packera : 69: eFlora Home | People Search | Help | ActKey | Hu Cards | Glossary |Achillea millefolium, commonly known as yarrow (/ ˈ j æ r oʊ /) or common yarrow, is a flowering plant in the family Asteraceae.Other common names include old man's pepper, devil's nettle, sanguinary, milfoil, soldier's woundwort, and thousand seal.. The plant is native to temperate regions of the Northern Hemisphere in Asia, Europe, and North …Flora of North America : Taxon Id: Name # Lower Taxa : Volume: 10507: Liliaceae : 70: eFlora Home | People Search | Help | ActKey | Hu Cards | Glossary |

Species ca. 70 (9 in the flora). The North American species of Parnassia usually occur in moist to wet sites on neutral to base-rich substrates, but P. asarifolia often occurs on acidic substrates. The treatment of Parnassia cirrata and P. fimbriata follows that proposed by R. B. Phillips (1980). Heracleum maximum, commonly known as cow parsnip, is the only member of the genus Heracleum native to North America. It is also known as American cow-parsnip, Satan celery, Indian celery, Indian rhubarb or pushki. Description The leaves are up to 40 cm (16 in) across and divided into lobes. The seeds ...

Species 150–250+ (25 in the flora): widespread, especially in subtropical, tropical, and warm-temperate North America and South America. Within species of Bidens, leaves may be simple, 1-pinnately compound, or 1–3-pinnatisect or -pinnately or -ternately lobed. For compound leaves, leaflets are described; for leaves mostly 1-pinnately lobed ...The North American Monsoon is a seasonal change in the atmospheric circulation that occurs as the summer sun heats the continental land mass. During much of the year, the prevailing wind over northwestern Mexico, Arizona, and New Mexico is westerly (blowing from the west) and dry. (Going forward, to avoid having to say …Volumes under Production. The following volumes are currently in preparation or production mode. Provisional publications that have been through the …Flora of North America : Taxon Id: Name # Lower Taxa : Volume: 127839: Quercus : 100: eFlora Home | People Search | Help | ActKey | Hu Cards | Glossary |Oct 21, 2023 · Bambuseae. 3. Culms herbaceous, to 3.5 m tall or climbing; leaves not strongly dimorphic; blades of the distal leaves often folding at night or under stress; florets unisexual; plants known only in cultivation in the Flora region (FNA 24:29) Olyreae. 2. North America has no capital city because it is a continent, not a country. However, the countries that make up North America have their own capital cities. The capital city of the United States of America is Washington, D.C., which is loca...The geological history of North America comprises the history of geological occurrences and emergence of life in North America during the interval of time spanning from the formation of the Earth through to the emergence of humanity and the start of prehistory.At the start of the Paleozoic era, what is now "North" America was actually in the southern …

Flora of North America : Taxon Id: Name # Lower Taxa : Volume: 130772: Sparganium: eFlora Home | People Search | Help | ActKey | Hu Cards | Glossary |

The Consortium began with a focus on North American herbaria. It now welcomes all herbaria to join the Consortium to share specimen records with the international research community via this platform. We currently serve the data through an English and Spanish language interface; a French version is in development. ...

Welcome. Flora of North America (FNA) presents for the first time, in one published reference source, information on the names, taxonomic relationships, continent-wide distributions, and morphological characteristics of all plants native and naturalized found in North America north of Mexico. The Flora will appear in 30 volumes and will be ...So far as is known, all species that are native to North America, as well as many species native to northern Eurasia, are tetraploids with one additional haplome, the H genome from Hordeum sect. Critesion. ... Jones, S.B., Jr. and N.C. Coile. 1988. The Distribution of the Vascular Flora of Georgia. University of Georgia, Athens, Georgia, U.S.A ...Approximately 120 Salix hybrids have been recognized in the North American flora, and about half of these are relatively common. Others are either putative hybrids in which one parent may be uncertain or unconfirmed, and/or they are doubtful hybrids.Species ca. 70 (19, including 3 hybrids, in the flora): North America, Mexico, West Indies, Central America, n South America, Eurasia; introduced nearly worldwide. Vitis is nearly restricted to temperate regions of the northern hemisphere, with one extremely variable species ( V. tiliifolia Humboldt & Bonpland ex Schultes) extending into ...A comprehensive online resource for the flora of North America, covering all plant families and genera, with detailed information on each family's distribution, ecology, and taxonomy. Browse the family list, online volumes, and primary resources by volume or by family name.Species ca. 400 (90 in the flora): North America, Mexico, West Indies, Central America, South America (Colombia only), Eurasia, n Africa. Quercus is without doubt one of the most important woody genera of the Northern Hemisphere. Historically, oaks have been an important source of fuel, fodder, and building materials throughout their range.Welcome. Flora of North America (FNA) presents for the first time, in one published reference source, information on the names, taxonomic relationships, continent-wide distributions, and morphological characteristics of all plants native and naturalized found in North America north of Mexico. The Flora will appear in 30 volumes and will be ... May 11, 2021 · Festuca ovina used to be interpreted very broadly in North America, including almost any fine-leaved fescue that lacked rhizomes. Consequently, much of the information reported for F. ovina, and many of the specimens identified as such, belong to other species. The only confirmed recent reports are from Ontario (Dore & McNeill 1980); Piatt ...

Those who do not consider Greenland to be part of North America give credit for European “discovery” of North America to Leif Erikson, which is why he is sometimes referred to as the first European in America.Species ca. 60 (20 in the flora): North America, Mexico, Central America, n, w South America, Eurasia, Africa; predominately northern boreal and temperate regions, also high elevations in subtropical and tropical regions. Cornus as treated here is a monophyletic genus (Z. E. Murrell 1993; Xiang Q. Y. et al. 2006) that has at various times been ...Oct 20, 2023 · Treatment appears in FNA Volume 2. Plants terrestrial, rarely on rock. Stems short-creeping to erect, stolons absent. Leaves monomorphic, green through winter or dying back in winter. Petiole ca. 1/4–2/3 blade length, bases swollen or not; vascular-bundles more than 3, arranged in an arc, ± round in cross-section. Flora of North America North of Mexico. 12+ vols. New York and Oxford, 1993+. The PLANTS Database @ United States Department of Agriculture; NatureServe Explorer Archived 2010-01-10 at the Wayback Machine Instagram:https://instagram. preppy pfp summerformal and informal commands spanishboot barn avondale photosprewriting exercises Dec 15, 2020 · In North America, most authors have followed K. K. Mackenzie’s (1931–1935) arrangement of the genus, in which he did not recognize subgenera and instead divided the North American Carex into 71 sections. The sections were narrowly defined, for the most part consisting of groups of species that were very similar morphologically. Species 200+ (44 in the flora). Prunus is important economically; it includes almonds, apricots, cherries, nectarines, peaches, and plums. Most commercial species are of Old World origin; Native Americans made use of Prunus fruits, especially plums, long before the Eurasian species were introduced. shamet landrytorero mascot Deciduous forests are found in regions of the Northern Hemisphere that have moist, warm summers and frosty winters—primarily eastern North America, eastern Asia, and western Europe. In contrast, evergreen forests—excepting boreal forests, which are covered in boreal forest—typically grow in areas with mild, nearly frost-free winters. They …Flora of North America North of Mexico Nancy R. Morin 1 , Luc Brouillet 2 & Geoffrey A. Levin 3 1 Flora of North America Association, P.O. Box 716, Point Arena, California 95468, USA. nancy.morin ... tractor supply outdoor storage Species 10 (3 in the flora): widespread in temperate and tropical regions, North America, Europe, and Asia. Morus nigra Linnaeus has been reported in floras by various authors (J. K. Small 1903, 1933; R. W. Long and O. Lakela 1971), apparently based on dark-fruited M . alba .The species is dispersed throughout eastern North America, from south Eastern Canada south to Florida and Texas, and to Guatemala. It is found growing in dry or moist woods, along stream banks and on sandy slopes. Cultivation and uses. Mitchella repens is cultivated for its ornamental red berries and shiny, bright green foliage.FNA presents in one published reference source, information on the names, taxonomic relationships, continent-wide distributions, and morphological characteristics …