Flora of north america

Family List Total: 31 records Taxon Id: Name # Lower Taxa : 10042: Anemiaceae : 1: 10072: Aspleniaceae : 1: 10085: Azollaceae

Species ca. 250 (14 in the flora): mostly in temperate Asia. The relationships of the North American species are reasonably well understood, but species identifications are complicated by the frequent presence of hybrids in field populations. Sterile hybrids can be distinguished from fertile species by their misshapen spores and intermediate ...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 ...Flora. Prairies are practically treeless. Based on availability of water, the plants found in the area, differ. ... Agriculture: Scientific methods of cultivation and use of tractors, harvesters, and combines have made North America a surplus producer of food grains. The Prairies are also called the ‘Granaries of the world’ due to surplus ...New York Botanical Garden. Invasive Plants: A Guide to Identification, Impacts, and Control of Common North American Species. 2007. Sylvan Ramsey Kaufman and Wallace Kaufman. Stackpole Books. Lichens above Treeline: A Hiker's Guide to Alpine Zone Lichens of the Northeastern United States. 2005. Ralph Pope.Flora of North America, published in 2014, considers the taxonomy unsettled, and tentatively uses the older name Rubus bifrons. In some areas, the plant is cultivated for its berries, but in many areas it is considered a noxious weed and an invasive species.To be published in 14 volumes over the next 12 years, this long-awaited synoptic compendium represents the first and only comprehensive taxonomic guide to …Solidago nemoralis is a species of flowering plant in the family Asteraceae.It is native to North America, where it is widely found in Canada (every province except Newfoundland and Labrador) and the United States (all states wholly or partially east of the Rocky Mountains). Its common names include gray goldenrod, gray-stem goldenrod, old-field …PLANTS Database Plant List of Attributes, Names, Taxonomy, and Symbols. The PLANTS Database provides standardized information about the vascular plants, mosses, liverworts, hornworts, and lichens of the U.S. and its territories. foxglove beardtongue. Penstemon digitalis. View Profile.

Species ca. 140 (33 in the flora): North America, Mexico, Europe, Asia, n Africa; introduced widely worldwide. Most species of Rosa occur in the cooler parts of the northern hemisphere. Only three or four species extend south of the Tropic of Cancer in the Old World, none in the New World. ... North American rose species have contributed ...FLORA. More than 2,900 species of vascular plants from some 730 genera in 159 families grow in the Great Plains. The vast majority (all but 81 species in 8 families) are angiosperms (flowering plants). ... Compared to North American deserts and forests, Plains ecosystems formed very recently. Consequently, there are only about 100 endemic ...Trillium (trillium, wakerobin, toadshade, tri flower, birthroot, birthwort, and sometimes "wood lily") is a genus of about fifty flowering plant species in the family Melanthiaceae. Trillium species are native to temperate regions …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 ...Sanguinaria canadensis, bloodroot, is a perennial, herbaceous flowering plant native to eastern North America. It is the only species in the genus Sanguinaria, included in the poppy family Papaveraceae, and is most closely related to Eomecon of eastern Asia.. Sanguinaria canadensis is sometimes known as Canada puccoon, bloodwort, redroot, red puccoon, and black paste.The Flora of North America North of Mexico (usually referred to as FNA) is a multivolume work describing the native plants and naturalized plants of North America, including the United States, Canada, St. Pierre and Miquelon, and Greenland. It includes bryophytes and vascular plants.

Myrica cerifera is an extremely variable species with respect to habitat and corresponding habit/vegetative morphology. In general, plants that occupy dry, sandy (more xeric) areas tend to be strongly rhizomatous, colonial, and smaller in stature, and to possess smaller leaves (commonly recognized as M. cerifera var. pumila).Leaves mostly basal (cauline leaves much smaller with narrower blades) Vernonia acaulis. 2. Leaves mostly cauline (basal leaves wanting at flowering or ± like cauline) > 3. 3. Involucres 11-15 mm diam.; phyllaries (50-)60-70+; florets 50-100+. Vernonia arkansana. 3.Volumes under Production. The following volumes are currently in preparation or production mode. Provisional publications that have been through the editorial process and await publication are available here . Click on a volume # for individual families, genera, contributors names and email addresses, and if the manuscript has been received.Synonyms: Cornus stricta Lamarck Swida foemina (Miller) Small S. stricta (Lamarck) Small. Treatment appears in FNA Volume 12. Treatment on page 456. Mentioned on page 451, 457. Shrubs, to 8 m, flowering at 1.5 m; rhizomes absent. Stems clustered; bark gray-brown, becoming gray-black, corky, appearing braided, splitting longitudinally, checkered ...225. Agavaceae Dumortier. Plants usually perennial, occasionally epiphytic, sometimes monocarpic or polycarpic, monoecious, dioecious, or polygamodioecious, small to gigantic, sometimes arborescent, usually scapose. Stems subterranean or aboveground, sometimes branched. Leaves simple, annual or long-lived, in terminal rosettes or occasionally ...Antennaria friesiana. 1. Plants either 15-65 cm (low arctic or subalpine) OR 0-70 cm (desert steppe or alpine, except A. pulcherrima arctic) > 2. 2. Plants (3-)10-15 cm; basal leaves linear to narrowly oblanceolate (1-3 mm wide); phyl- laries distally light brown, dingy brown, or olivaceous. Antennaria stenophylla.

Linear perspective in psychology.

Some plants in the southwest are atypical in having nearly flat culm sides and leaf blades to 1.5 times as long as their sheaths as in the type of Scirpus monophyllus J. Presl & C. Presl from Peru. The name Scirpes americanus was long misapplied to Schoenoplectus pungens ; Schoenoplectus americanus was known as Scirpus olneyi (A. E. Schuyler 1974).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.Salix amygdaloides × S. gooddingii (S. ×wrightii Andersson): This hybrid occurs throughout the Rio Grande Valley, Texas, and New Mexico (C. K. Schneider 1919; C. R. Ball 1961), and at Happy and Rio Frio, Texas, and Virgil Run, Arizona. The leaves are somewhat glaucous abaxially, as in S. amygdaloides, but they are linear to narrowly elliptic ...Curtopogon dichotomus (Michx.) P.Beauv. Aristida dichotoma, known as churchmouse threeawn, [2] fork-tip three-awn, [3] pigbutt three-awn, [4] and poverty grass, [5] is a species of grass from eastern North America. [1] It is native to the Eastern and Midwestern United States and Ontario, Canada. It has been introduced in California. [1]Fruits large nuts [or samaras], nuts enclosed in dehiscent or indehiscent, fibrous-fleshy or hard involucres (husks), thus ± drupelike. Seeds 1; endosperm absent; cotyledons fleshy and oily, variously lobed. Genera 7, species 59 (2 genera, 17 species in the flora): Western Hemisphere and Eurasia. The fruit in Juglandaceae superficially ... The commercial use of Carya is substantial. The cultivated pecan, C . illinoinensis , is the most important nut tree native to North America, and the wood of the true hickories is unequaled for its use in tool handles because of the combined strength and shock resistance. Hickory nuts are also an important, high-quality food source for wildlife ...

Flora of North America Family List: Online Volumes. Volume 1: Introduction: Volume 2: Pteridophytes and Gymnosperms 31 families: Volume 3: Magnoliophyta: Magnoliidae and Hamamelidae 32 families: Volume 4: Magnoliophyta: Caryophyllidae, Part 1 10 families: Volume 5:Cornus florida, the state tree of Missouri and Virginia and the state flower of North Carolina, is an understory tree that can form spectacular displays when flowering. Cultivars with pink to red bracts are often planted as ornamentals. Dogwood anthracnose is causing serious declines in C. florida throughout its range.Species ca. 77 (17 in the flora): worldwide. The species of 7d. Schoenoplectus sect. Supini produce two morphologically different types of achenes. They have solitary, pistillate (amphicarpic) flowers enclosed in basal leaf sheaths in addition to the terminal inflorescences on the culms. ... In North America their culms are used, mostly ...This page was last edited on 28 July 2020, at 12:59. Content is available under unless otherwise noted.; Privacy policy; About FNA; Disclaimers; Report an issue6 พ.ย. 2560 ... Download this stock vector: North America flora and fauna map, flat elements. Animals, birds and sea life big set.The prairie community is the heart and soul of the Great Plains. From the foothills of the Rocky Mountains, where the shortgrass prairie covers the high plains, to Illinois, where the tallgrass prairie formerly extended, and from Saskatchewan to Texas, the Prairie dominates the center of the North American continent.Divide the class into groups covering North American land biomes (tundra, taiga, temperate forest, chaparral, desert, grassland). Ask each team to produce a poster illustrating the …Since the last release in October 2020, the 2022 Flora of the Southeastern United States has been improved in several ways, including: Over 90 entirely new keys written. Approximately 700 new taxa added to the flora. Geographic extensions made into the Cross Timbers regions in Texas, Oklahoma, and Kansas, as well as the southern half of Long ...Mature plants 0.7-2.5 m, not including inflorescence; leaf blade 20-30(-45) × 0.7-1.2 cm, widest at or above middle, ± scabrous. Yucca thompsoniana: 12 Plants in colonies of 10-30 rosettes each; mature leaf blade straight, flat except becoming concave near apex, glaucous, margins wavy, yellow; inflorescences with wide-spreading ...

This page was last edited on 28 July 2020, at 12:59. Content is available under unless otherwise noted.; Privacy policy; About FNA; Disclaimers; Report an issue

Flora of North America North of Mexico: Volume 19: Magnoliophyta: Asteridae, Part 6: Asteraceae, Part 1 Edited by Flora of North America Editorial Committee Flora of North America. 600 maps, 130 line illustrations; A compelling resource for plant taxonomists, ecologists, wildlife specialists, land managers, horticulturalists and moreBracteoles 0; w North America. > 7: 7 Calyces slightly bilaterally symmetric, sepals distinct, (4-)7-11 mm, lanceolate; leaf blade apices acuminate to attenuate. Gratiola ebracteata: 7 Calyces distinctly bilaterally symmetric, sepals connate proximally, lobes 3.5-6 mm, elliptic-oblanceolate; leaf blade apices obtuse to rounded. Gratiola ...Gaylussacia baccata, the black huckleberry, is a common huckleberry found throughout a wide area of eastern North America. Distribution [ edit ] The plant is native to Eastern Canada and the Great Lakes region , the Midwestern and Northeastern United States , and the Appalachian Mountains , the Ohio / Mississippi / Tennessee Valley , and ...If you’re looking for a low-maintenance, hardy shrub to add to your garden, look no further than the buckthorn. This evergreen shrub is native to North America and Europe and is often used as a hedge or border plant. It’s easy to care for a...Orchidaceae are by far the largest and most diverse monocot family and rank among the largest families of flowering plants. An accurate account of the number of genera and species has eluded orchid scientists, and species counts published in the last 20 years range from 15,000 to 35,000. New species are continually being described.Erythronium, the fawn lily, trout lily, dog's-tooth violet or adder's tongue, is a genus of Eurasian and North American plants in the lily family, most closely related to tulips. The name Erythronium derives from Ancient Greek ἐρυθρός (eruthrós) "red" in Greek, referring to the red flowers of E. dens-canis. Of all the established species, most live in North …Ceanothus is a popular source of horticultural cultivars, with over 200 named selections (Fross and Wilken). One of the first and most popular hybrids in the 1830s was C. ×delilianus Spach, which was developed in France from a cross between C. americanus (eastern North America) and C. caeruleus Lagasca (Mexico).

Kansas bookstore.

Ukrainian music.

North American botany by dedi-cating Volume 18 of Flora of North America to him. This vol-ume is scheduled to be one of the last to be published and will mark the completion of the series. Stan was the leader in developing a strategy for the Flora of North America project in the mid-1960s, continuing in a central role until the early 1970s.University of North Carolina at Chapel Hill Herbarium (NCU), North Carolina Botanical Garden, University of North Carolina at Chapel Hill. The Flora covers the biogeographic region of the moist, relictual, unglaciated southeastern North America: south of the glacial boundary and east of the "dry line" to the west that marks a marked ...Sambucus nigra is a species complex of flowering plants in the family Adoxaceae native to most of Europe. [1] Common names include elder, elderberry, black elder, European elder, European elderberry, and European black elderberry. [2] [3] It grows in a variety of conditions including both wet and dry fertile soils, primarily in sunny locations.The Flora of North America project is a collaborative, bi-national effort to compile the first comprehensive description of all plants growing spontaneously in the United States, …Flora of North America Volume 7 will be the eighth of 19 volumes on dicotyledons to be published in the Flora of North America North of Mexico series. It treats 923 species classified among 125 genera in 11 families; the larger families covered in Volume 7 include Brassicaceae (Mustard family), Cleomaceae (Spiderflower family), and Salicaceae (Willow family).Seeds 2 per carpel, ˂light, dark, or reddish brown, smooth˃. x = 17. Species 25-55 (10 in the flora): North America, Eurasia; introduced widely, especially in temperate regions. Malus has great economic value; species are widely cultivated throughout the world for their edible fruit (not all species), ornamental fruit, or flowers.Flora of North America : Taxon Id: Name # Lower Taxa : Volume: 118034: Lepidium : 46: eFlora Home | People Search | Help | ActKey | Hu Cards | Glossary |Sep 27, 2016 · Flora of North America Editorial Committee: Email: Creation date: 27/09/16 00:00: Description: FNA presents 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. Publisher name Crataegus uniflora is somewhat variable in plant size, leaf shape, number of flowers to an inflorescence (though commonly one), and anther color (usually ivory to cream). The typical form, which is common, has 1- or 2-flowered inflorescences, and is usually a small shrub with more or less spatulate to narrowly obovate leaves.Fragaria virginiana, known as Virginia strawberry, wild strawberry, common strawberry, or mountain strawberry, is a North American strawberry that grows across much of the United States and southern Canada. It is one of the two species of wild strawberry that were hybridized to create the modern domesticated garden strawberry (Fragaria × ananassa). ….

Field Guide to Edible Wild Plants 6 Wild Plants A little knowledge of plants can save your life. Herbs Asparagus is a vegetable that grows in the wild in most of the Europe and parts of North Africa, West Asia, and North America. It's a great source of source of vitamin C, thiamine, potassium, and vitamin B6. Eat it raw or boil it.Flora of North America is indispensable as a compendium of information for the management of resources, for land use planning, and for conservation efforts. As a …Flora of North America North of Mexico is a synoptic floristic account of the plants of North America north of Mexico: the continental United States of America (including the …For most of the year, the tundra biome is a cold, frozen landscape. This . biome has a short growing season, followed by harsh conditions that the plants and animals in the region need special adaptations to survive.. Tundra form in two distinct cold and dry regions. Arctic tundra are found on high-latitude landmasses, above the Arctic Circle—in …Endemic. Treatment appears in FNA Volume 17. Treatment on page 214. Mentioned on page 187, 244. Herbs. Stems ascending to erect, (20-) 30-100 cm, puberulent to pubescent, sometimes glabrous, not glaucous. Leaves basal and cauline, not leathery, puberulent to pubescent, sometimes only along midvein and margins; basal and proximal cauline 40 ...Have you had any Plantago ovata today? Don’t answer too fast. Plantago ovata is a popular plant that’s also known as blond plantain, isabgol and desert Indianwheat. While Plantago ovata is native to the Mediterranean region, it’s become nat...Flora of North America : Taxon Id: Name # Lower Taxa : Volume: 111791: Ephemerum: eFlora Home | People Search | Help | ActKey | Hu Cards | Glossary |Jul 28, 2020 · The following is an alphabetical list of families published and included in this web representation of the FNA. Not all families have been published. Please see the FNANM Alphabetical List of Families for a full alphabetical list of Pteridophyte, Gymnosperm and Angiosperm families with volume numbers, including unpublished families. Flora of north america, The botanical community already recognizes a different set of family relationships than presented in the Flora of North America North of Mexico. Keys. Three different keys are provided here to permit more effective identification throughout the annual phenological cycle in Populus: a key to flowering specimens that may also be used (but not ..., 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 ..., 29. Pottiaceae Schimper . Richard H. Zander Plants usually turf-forming or loosely cespitose, green distally and brown proximally.Stems 0.2-4(-10) cm, irregularly branching, mostly rounded-pentagonal but occasionally rounded-triangular in section, hyalodermis usually absent, sclerodermis sometimes present, central strand usually present, radiculose, occasionally bare or tomentose, axillary ..., Flora of North America : Taxon Id: Name # Lower Taxa : Volume: 116870: Juncus : 119: eFlora Home | People Search | Help | ActKey | Hu Cards | Glossary |, 1. Cupules 4-valved, enclosing 3 flowers/fruits; leaf blade abaxially without stellate trichomes, appearing glabrous, with minute multicellular glands, these often embedded on blade, and simple trichomes on veins; nut obovate, flattened at least on 1 side, beak thin, flexible, to 8 mm or more excluding styles. Castanea dentata., 1. Inflorescence bracts acicular to linear-lanceolate; inflorescences (1-)2-7-flowered; calyx lobes 1-4.1 mm; stigmas 2-4 mm wide. > 2. 2. Leaf blades maculate; dilated basal portions of filaments densely villous. Chimaphila maculata. 2. Leaf blades not maculate; dilated basal portions of filaments ciliate. Chimaphila umbellata., Species 45 (34 in the flora): temperate and arctic/alpine regions, North America, Mexico, South America, Eurasia. ... Antennaria is composed of two major lineages: the Leontipes group, mostly restricted to western North America, and the Catipes group, occurring throughout the Northern Hemisphere and South America (R. J. Bayer et al. 1996)., Species ca. 200 (27 in the flora): warmer regions in the Americas from the sw United States and Florida s to the Caribbean Islands and into Mexico, Central America, and tropical South America; widely cultivated. Specimens of Agave are planted occasionally for their horticultural value in warmer regions., The Flora of North America North of Mexico (usually referred to as FNA) is a multivolume work describing the native plants and naturalized plants of North America, including the United States, Canada, St. Pierre and Miquelon, and Greenland. It includes bryophytes and vascular plants. , Discussion. Species ca. 100 (77 in the flora). Solidago is found primarily in North America with some South American and Eurasian species (8 in Mexico, 4 in South America, 6-10 in Europe and Asia)., North American and Mexican populations overlap in these characters and are treated here as a single taxon. Cornus florida, the state tree of Missouri and Virginia and the state flower of North Carolina, is an understory tree that can form spectacular displays when flowering. Cultivars with pink to red bracts are often planted as ornamentals., Infusions and tinctures of Bidens frondosa are rated as outstanding herbal therapies for irritation, inflammation, pain, and bleeding of the urinary tract mucosa and are used for benign prostatic hypertrophy and increasing excretion of uric acid, decreasing the risk of gout attacks, as well as other medical uses (M. Moore 1993). Related Objects., Discussion. Species ca. 100 (27 in the flora). Two names that appear in many North American treatments, Cerastium viscosum Linnaeus and C. vulgatum Linnaeus, have been proposed for rejection (N. J. Turland and M. Wyse Jackson 1997) because they have been a long-standing source of confusion. , Genera ca. 60, species 1700 (22 genera, 284 species in the flora). The flowers of many species of Ranunculaceae begin to open long before anthesis, while the floral organs are just partly expanded. Only mature flowers with open anthers should be used for determination of diagnostic characteristics (especially measurements)., 5 วันที่ผ่านมา ... Flora of North America (FNA) presents for the first time in one published reference source information on the names taxonomic relationships ..., 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 monographic studies and regional floras has contributed so much that the time to attempt the kind of overall synthesis envisioned by Torrey and Gray more than 160 years ago is now clearly at ..., Species ca. 150 species (34 in the flora): widespread in North America, Mexico, West Indies, South America, including the Galápagos Islands; some species introduced to and naturalized in the Old World. ... Plants small trees or shrubs; fruits barrel-shaped, sometimes stipitate, fleshy or juicy, surfaces reddish to purple with pulp of various ..., Species ca. 300 (61 in the flora). Three Eurasian species of Delphinium-D. elatum Linnaeus, D. grandiflorum Linnaeus, and D. tatsienense Franchet-have been commonly cultivated in North America. Of the nonnative taxa, only D. elatum is sporadically naturalized, as far as is known., Category. : Flora of North America. This category is located at Category:Flora of Northern America. Note: This category should be empty. See the instructions for more …, Discussion. Species ca. 390 (173 in the flora). The North American and Central American species of Erigeron have been divided into sections (G. L. Nesom 1989c, 1990g, 1994b; Nesom and R. D. Noyes 1999), emphasizing variation in habit (especially taprooted versus rhizomatous and fibrous-rooted), vestiture, arrangement of heads in arrays and orientation before flowering (erect, nodding, or ..., All recent studies have been based on local or continental floras, however, and classifications proposed for one region may not work for the plants of other regions. Like most North American workers, I have followed the generic and infrageneric classification of L. D. Benson (1948), who gave by far the most thorough and best documented study of ..., Arrival, the electric vehicle manufacturer that aims to break up the assembly line in favor of multiple microfactories, is investing $11.5 million to build a high-voltage battery module assembly plant in Charlotte, North Carolina. The plant..., eFlora Search Page. Flora of North America. Family List. Total: 294 records, 200 on this page., Varieties 2 (2 in the flora): North America; introduced in Europe. The infraspecific taxonomy of Phytolacca americana has been disputed since J. K. Small ... Latitudinally adapted variants within a North American species. Evolution 5: 273-279. Sauer, J. D. 1952. A geography of pokeweed. Ann. Missouri Bot. Gard. 39: 113-125., USDA Forest Service-Silvics of North America (QURU) Virginia Tech Dendrology (QURU) Quercus rubra L. northern red oak. Data Source. Last Revised by: Curated and maintained by: USDA NRCS National Plant Data Team. Data Documentation. The PLANTS Database includes the following data sources of Quercus rubra L. Documentation State Type, Plants arborescent or subarborescent, spreading or loosely clumped; rhizomes leptomorphic. Culms 0.5-8 m tall, ... Arundinaria is a north-temperate genus with three native North American species. The most consistent differences among the North American species are seen in the vegetative characters, including the topknot leaf blades, foliage ..., Species ca. 300 (95 in the flora): worldwide except Antarctica. SELECTED REFERENCES. Engelmann, G. 1866--1868. Revision of the North American species of the genus Juncus, with a description of new or imperfectly known species. Trans. Acad. Sci. St. Louis. 2(2, 3): 424--498. Hermann, F. J. 1975. Manual of the Rushes (Juncus spp.) of the Rocky ..., Iva frutescens. Sp. Pl. 2: 989. 1753. Treatment appears in FNA Volume 21. Treatment on page 26. Subshrubs or shrubs, 50-350 cm. Stems erect. Leaves: petioles 5-10+ mm; blades ovate or elliptic to lanceolate, 30-60 (-120+) × 5-30 (-40) mm, margins usually toothed, faces closely scabrellous, glanddotted. Heads in ± racemiform arrays., Jul 28, 2020 · 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 ... , 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 …, Plants terrestrial, on rock, or epiphytic. Roots emerging near origin, or growing through cortex and emergent some distance from origin. Horizontal stems present or absent, mainly protostelic, in some species becoming actino or plectostelic, on substrate surface or subterranean, or forming stolons. Upright shoots simple or branched, usually ..., Flora of North America, published in 2014, considers the taxonomy unsettled, and tentatively uses the older name Rubus bifrons. In some areas, the plant is cultivated for its berries, but in many areas it is considered a noxious weed and an invasive species., Species 21 (6 in the flora). Juglans is a very important source of edible nuts, dyes, and wood for cabinet work, furniture, and construction. Juglans regia Linnaeus, the walnut of commerce, is widely cultivated in California; it is easily distinguished from native species by its leaves with 5-11 broad, entire leaflets and nuts with thin ...