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Seeds 10, lenticular. x = 13, [15, 18]. Nearly worldwide, temperate and subtropical regions. Species ca. 180 (37 in the flora). C. M. Rogers (1963, 1964

bracts and bracteoles. Seeds with little or no endosperm; embryo straight, with 2 plano-convex cotyledons. Widespread in temperate and subtropical regions

loosely enclosed by tepals. x=7, 8, 10, 13. Primarily in temperate and subtropical regions. Species 20-30 (5 in the flora). Mature achenes are necessary

has escaped in temperate and subtropical regions of the world. Only five genera, Boerhavia, Commicarpus, Mirabilis, Phaeoptilum, and Pisonia, are indigenous

trigonous, smaller than bodies of perigynia; style deciduous. Temperate and subtropical regions of North America, s Mexico, Central America (Guatemala). Species

Seeds dark brown to black, obpyramidal to 3-angled. x=8. Temperate and subtropical regions, North America, Europe, Africa, Asia, Australia. Species ca

Mexico, Europe, sw, c Asia, n, s Africa, Atlantic Islands, temperate and subtropical regions, introduced in c Mexico, South America, Australia. Genera 6

spring–early fall. Habitat: Mesotrophic to eutrophic, quiet waters in temperate to subtropical regions with relatively mild winters Elevation: 0–2600 m Generated

summer–early fall. Habitat: Mesotrophic to eutrophic, quiet waters in temperate to subtropical regions Elevation: 0–1100 m Generated Map Legacy Map Alta., Man., Ont

covering operculum, early deciduous. Widely distributed in temperate to subtropical regions of the Northern Hemisphere, scattered in the tropics, Pacific

in the flora). Pyrus communis is widely cultivated and naturalized in temperate and subtropical regions around the world. The evergreen pear, P. kawakamii

other regions. It is much planted and commonly naturalized near the coast from central California north to Washington and in warm temperate and subtropical

cultivated in temperate and subtropical regions. In North America, it grows as far north as Vancouver, British Columbia, in the west and Buffalo, New York

lateral, or superior. x = 9. Worldwide, mainly in subarctic, temperate, and subtropical regions. Species ca. 250 (62 in the flora). Many species of Atriplex

mainly in temperate to subtropical regions and grows in dense, pendent wefts with creeping stems. The primary stem leaves are squarrose and distant, and erect-spreading

area. The species is cultivated widely for its fruit in warm temperate and subtropical regions. None. None. window.propertiesFromHigherTaxa=[{"rank":"genus"

in temperate and subtropical regions. Oenothera glazioviana originated by hybridization between two cultivated or naturalized species in Europe and was

valparaisense). Nearly worldwide, except Antarctica, temperate regions, occasionally subtropical regions, absent from arctic-alpine climates. Species ca. 50

particularly in seasonal Mediterranean, warm-temperate to subtropical regions, in climates that are warmer and more seasonal than for R. capillare. This is

worldwide in temperate and subtropical regions. Oenothera biennis is a PTH species and usually forms a ring of 14 chromosomes or a ring of 12 and 1 bivalent

abundant in tropical and subtropical regions, particularly mesic portions of such regions, but several species grow in temperate regions of the world. Within

throughout Arctic, boreal, and temperate zones, also on high mountains in subtropical and tropical zones, and are more diverse in xeric and Mediterranean climates

Africa, predominately northern boreal and temperate regions, also high elevations in subtropical and tropical regions. Genus 1, species ca. 60 (20 species

smooth. Setaria subg. Setaria is represented in subtropical and temperate regions throughout the world and is the best represented subgenus in the Flora

receptacle or by individual calyces. Widespread in tropical and subtropical regions, less common in temperate areas. Genera ca. 40, species nearly 1100 (7 genera

different in Dalechampia and Euphorbia. Euphorbiaceae are most species-rich and ecologically important in tropical and subtropical regions. The same is true of

enlarged and protruding as ridge or wing. Throughout New World from near Arctic Circle to Patagonia, introduced especially in tropical, subtropical, and warm-temperate

Islands, Australia, primarily tropical and subtropical with a few genera in warm temperate to temperate regions. Genera 15, species ca. 900 (6 genera,

Africa, predominately northern boreal and temperate regions, also high elevations in subtropical and tropical regions. Species ca. 60 (20 in the flora). Cornus

worldwide, most abundant in tropics, subtropics, and warm-temperate regions, evidently absent from alpine and arctic regions. Genera ca. 65, species ca. 900

persistent, accrescent perianth. Nearly worldwide, primarily tropical and subtropical regions. Genera ca. 45, species ca. 800 (8 genera, 21 species in the flora)

occurs mostly in the tropics and subtropics of both hemispheres but extends into temperate regions. Species of Averrhoa Linnaeus and Sarcotheca Blume are trees

warm-temperate regions, but it is particularly well-represented in Africa, Asia, and South America. Species from the Flora region fall into one of three categories:

short-rostrate or conic, cucullate; peristome double. Nearly worldwide, temperate and tropical regions. Genera 6, species 28 (4 genera, 8 species in the flora). Five

in temperate to subtropical areas nearly worldwide. Species ca. 150 (93 in the flora). Oenothera is distributed widely in temperate to subtropical areas

Gametophytes terrestrial, green, asymmetrically cordate. Tropical, subtropical, and warm temperate regions worldwide. Genus 1, species 3–4 (3 species in the flora)

Antarctica, in subtropical to warm-temperate regions. Genus 1, ca. 35 species (6 in the flora). Archidiaceae is most diverse in Africa and Australia. It

Seed 1; endosperm absent. Pantropical, a few species also in subtropical and temperate regions Genera ca. 50, species 2000-3000 (9 genera, 13 species in the

Oryzeae include about 10-12 genera and 70-100 species. Its members are native to temperate, subtropical, and tropical regions. Oryza sativa is one of the world's

1, lenticular, subglobose, to ovoid, smooth. Tropical, subtropical, and warm-temperate regions. Species ca. 100 (9 in the flora). Holzhammer, E. 1955.

tropical, subtropical, temperate to boreal regions. Species ca. 100 (19 in the flora). Species of Gemmabryum are small and often sterile, and can be extremely

strongly represented in temperate, subtropical, and tropical montane regions of the world, especially in seasonally temperate and Mediterranean climates

aduncus, and Calliergidium is thus a synonym of Drepanocladus. Drepanocladus is widely distributed in the Holarctic region, in the temperate regions of the

winged nuts (samaras). Seeds 1 in each samara. Tropical and subtropical dry regions, warm temperate areas Genera 4, species 90 (1 genus, 3 species in the

tropical, subtropical, and warm-temperate regions of the Old World. Species 8–12 (2 in the flora). The groups of plants referred to as Achyranthes and Alternanthera

appendages (strophioles in Mammillaria tetrancistra). x = 11. Tropical to temperate regions in North America, West Indies, Central America, South America, including

introduced in Europe, primarily tropical and subtropical regions, reaching temperate regions in eastern North America and eastern Asia. Species ca. 450 (18 in

densely packed, globose. Spores tetrahedral. Tropical, subtropical, and warm temperate regions worldwide. Species 3–4 (3 in the flora). DeVol, C. E. 1957

slow-growing and vulnerable seedlings. Most woody bamboos are tropical or subtropical in their distribution, but about 25 genera are found in temperate regions

of Malvastrum have been widely introduced worldwide in tropical and warm-temperate regions; none is usually cultivated; several are considered to be quite

to be naturalized (and uncommon) only in the extreme southeastern corner. Plants are shrubs in tropical and subtropical regions and very large annual herbs

Africa, Pacific Islands, Australia, tropical and subtropical areas, especially southern temperate regions. Genera 8, species ca. 40 (1 in the flora). Rhizogoniaceae

the flora). Leskea occurs in terrestrial habitats in temperate, subtropical, and tropical regions. The leaves are somewhat asymmetric with proximal laminal

Antarctica, in subtropical to warm-temperate regions. Species 35 (6 in the flora). Superficially, species of Archidium can be mistaken for Pleuridium, and many collections

the flora). Abutilon is mostly tropical and subtropical with relatively few species reaching into fully temperate climates. The South American native Abutilon

tan or yellow-tan. Nearly worldwide, temperate to arctic-alpine regions, mountains of subtropical or tropical regions. Species 40 (7 in the flora). Bryum

it is widely and successfully naturalized almost everywhere in temperate North America and in many subtropical to warm-temperate regions. It has not been

abruptly tapering base of each arista). x = 11. Mostly warm-temperate, subtropical, and tropical regions worldwide, sometimes as naturalized ruderals. Species

(H. S. Paris et al. 2006), and since the 17th century they have spread over the tropics and subtropics and temperate regions. After its introduction to

tropical, subtropical, and warm-temperate zones, some species in temperate zones, some taxa are at present almost worldwide as introduced and naturalized

World tropics that spread northward into subtropical and temperate regions (M. L. Fernald 1950; H. A. Gleason and A. Cronquist 1991). If so, the species

yellow-brown. Nearly worldwide, except Antarctica, tropical, subtropical, temperate to boreal regions, rare in arctic-alpine climates. Species ca. 40 (6 in the

Introduced; ne Africa, widely cultivated and often naturalized in tropical, subtropical, and warm temperate regions worldwide. Species 1. None. Ricinus communis

P. M. Brenan and C. C. Townsend 1980; R. K. Brummitt 1984). Amaranthus blitum is of tropical origin and not common in temperate regions. It has been cultivated

surrounding seed. x = 23. North America, e Asia, primarily tropics and subtropics, some temperate regions. Species ca. 30 (2 in the flora). Hou, D. 1955. A revision

glabrous. Seeds: embryo curved. x = 10. Introduced; tropical to subtropical or temperate regions, South America, Eurasia, Africa, Atlantic Islands, Pacific

bristles. x = 10. Nearly worldwide, mostly in warm-temperate, subtropical, and tropical regions at mid and upper elevations. Species 1000+ (55 in the flora)

terrestrial habitats, primarily on calcareous substrates, temperate, subtropical or tropical regions. Species 10–15 (4 in the flora). Taxiphyllum has stems

lemmas finely and transversely rugose; upper paleas similar to the upper lemmas. 2n = 18. Setaria adhaerans grows in subtropical regions throughout the

Pseudotaxiphyllum occurs in terrestrial habitats in temperate, subtropical, and tropical regions. The stems have small, thick-walled cortical cells; the

introduced nearly worldwide, mostly in subtropics and warm-temperate regions. Chenopodium murale is distinctive and is one of the more common species of

Tenn., Tex., Va., Wash., Wis., Australia, introduced in subtropical and warm-temperate regions. This species has gone under the misapplied name Chenopodium

America, widely introduced or naturalized in tropical, subtropical, and warm-temperate regions worldwide. Originally a riverside pioneer in eastern North

Physaria, which is now much larger but monophyletic and morphologically coherent (I. A. Al-Shehbaz and S. L. O’Kane 2002). Where details of the trichomes

sacs; embryo sac development monosporic). x = 9. Subtropic to temperate and arctic regions of North America and Eurasia. Species ca. 115 (4 in the flora). Centers

tropical and subtropical regions worldwide. The enlarged storage roots of Manihot esculenta yield a starchy staple, now much consumed in tropical regions around

central. This distinction is usually clear in regions with cold winters; it may be blurred in subtropical and tropical areas. In all cases, fertile stems

occur in the tropics and subtropics, mostly of North America, South America, and South Africa; they extend as well into temperate regions of North America

of ± 60+, white, barbellulate bristles. x = 20, 22, 23. Subtropical, temperate, and arctic regions of North America, 1(–2) species reported from Siberia

photosynthetic. Introduced; Europe, Asia, Africa, introduced widely in subtropical and temperate regions. Species 1–30+ (1 in the flora). Trapa is cultivated in China

temperatures (fig. 3.2), equable subtropical, warm temperate, and temperate climates extended in successive zones along low thermal gradients from the southern

Alaska and Canada north of the Rocky Mountains and North American Atlantic regions. It also includes parts of northern New England, Michigan, and Minnesota

rich in numbers of species and/or in numbers of plants in arid and semiarid regions of subtropical and lower to middle temperate latitudes. Genera ca. 1500

Zonobiomes V (warm temperate maritime) and VI (temperate with a cold winter---nemoral). In the southeastern coastal plain, coniferous and broad-leaved evergreen

located between the subtropical anticyclone and the westerlies that experiences summer drought and winter rain, and (b) on the subtropical east side of the

1987b) and in H.R. Delcourt and P.A. Delcourt (1991), illustrates the response of temperate and boreal plant species and communities to climatic and environmental

much more diverse topographically and climatically than North America, and it probably has the richest temperate-subtropical fern flora in the world. Most

listing of rare and endangered plants: What is involved and what does it mean? In: T. S. Elias, ed. 1987. Conservation and Management of Rare and Endangered