Search results

• Salix
  Africa, Atlantic Islands, mostly in arctic, boreal, and temperate regions, introduced in Australasia, Oceania. Species ca. 450 (113 in the flora). Species of
  32 KB (4,205 words) - 23:31, 5 November 2020
• Saxifragaceae
  appearing in spring, summer, or autumn with leaves usually present (usually appearing in autumn or winter after basal leaves have withered in Jepsonia)
  24 KB (2,046 words) - 23:46, 5 November 2020
• Festuca
  Important features seen in the blade cross section are identified in Fig. 1, p. 390. There are five main sclerenchyma distribution patterns in Festuca (Fig. 2
  45 KB (2,833 words) - 17:24, 11 May 2021
• Asteraceae
  they freely recognized new taxa in Asteraceae (mostly genera and species). Floristics of North American Asteraceae in the second half of the twentieth
  270 KB (5,940 words) - 20:46, 31 January 2022
• Juncaceae
  appendages on 1 or both ends. Arctic and temperate regions, tropical mountains. Genera 9, species ca. 350 (2 genera, 1108 species in the flora). Buchenau, F
  3 KB (223 words) - 21:30, 5 November 2020
• Poa
  native forage species in western North America; P. alpina, P. arctica, and P. glauca are common components of alpine and arctic vegetation. Species of
  82 KB (1,737 words) - 17:24, 11 May 2021
• Leymus mollis subsp. villosissimus
  villosissimus is an arctic taxon found primarily in eastern Siberia, Alaska, and northwestern Canada. It grows mostly on arctic coasts, but is also known
  2 KB (157 words) - 17:24, 11 May 2021
• Antennaria
  genus Antennaria in northwestern Canada. Canad. Field-Naturalist 64: 1–25. Porsild, A. E. 1965. The genus Antennaria in eastern arctic and subarctic America
  34 KB (2,470 words) - 20:53, 5 November 2020
• Micranthes
  America, Mexico, South America, Eurasia, mostly north-temperate, arctic, and alpine regions. Species 68–93 (45 in the flora). The ovules of Micranthes species
  22 KB (863 words) - 23:46, 5 November 2020
• Amaranthaceae
  margins entire (entire or serrulate in Iresine; entire, crispate, or erose in Amaranthus). Inflorescences cymules arranged in spikes, panicles, thyrses, heads
  8 KB (586 words) - 23:00, 5 November 2020
• Papaver
  Australia. Species 70-100 (16 in the flora). Papaver is rich in alkaloids, notably opiates. The genus is quite complex cytologically; in addition to diploids,
  8 KB (560 words) - 22:49, 5 November 2020
• Saxifraga
  flowers on plants in some species have three or, rarely, four stigmas and styles. In addition, ovary position in some taxa can change from mostly inferior at
  17 KB (1,070 words) - 23:42, 5 November 2020
• Luzula
  Treatment appears in FNA Volume 22. Treatment on page 255. Mentioned on page 256. Herbs, perennial, usually cespitose, often with short, mostly vertical to running
  4 KB (371 words) - 21:30, 5 November 2020
• Puccinellia
  confined to the arctic, four are circumarctic and two are transberingian. Most species of Puccinellia are halophytes, either in coastal habitats or in saline or
  17 KB (1,082 words) - 16:08, 1 December 2021
• Carex (section Key E. Spikes 2+ per culm, at least some flowers pistillate; stigmas (2–)3(–4); achenes usually ± trigonous in cross section; body of perigynium glabrous or papillose, papillae then mostly not longer than wide; bracts sheathless or sheath less than 4 mm, rarely longer, then sheath shorter than diameter of stem)
  greatly in their longevity. In many species, all aboveground shoots are annual. In others, individual shoots may live more than one season. In such species
  82 KB (3,643 words) - 21:20, 17 July 2023
• Erigeron
  on disc cypselae, or 0. x = 9. Nearly worldwide, mostly in temperate regions. Species ca. 390 (173 in the flora). The North American and Central American
  92 KB (1,874 words) - 21:04, 5 November 2020
• Poaceae tribe Poeae
  and 2500 species. The species are primarily cool-temperate to arctic in their distribution. In the Flora region, there are 63 non-hybrid genera with 344 species
  40 KB (861 words) - 17:24, 11 May 2021
• Schistidium
  some variation in exothecial cell makeup. As H. H. Blom (1996) pointed out, mixed populations are present in some sites, especially in more humid areas
  18 KB (854 words) - 22:25, 5 November 2020
• Potentilla
  Islands (New Guinea, New Zealand), Australia, arctic, temperate, and montane in Northern Hemisphere, mostly montane in Southern Hemisphere and equatorial regions
  24 KB (1,890 words) - 23:54, 5 November 2020
• Packera
  differences in vegetative morphology and population-level differences in chromosome numbers. In this treatment, while recognizing the value of such work in elucidating
  36 KB (999 words) - 20:59, 5 November 2020
• Petasites frigidus
  J. Bayer, A. Linn Bogle, Donna M. Cherniawsky Common names: Arctic sweet coltsfoot Arctic butterbur Illustrated Basionym: Tussilago frigida Linnaeus Sp
  7 KB (344 words) - 19:29, 6 November 2020
• Dodecatheon
  17 (17 in the flora). Members of Dodecatheon are widespread throughout much of North America, extending from northwestern Mexico to the Arctic in Alaska
  17 KB (1,639 words) - 23:44, 5 November 2020
• Castilleja
  much-branched or stellate. Leaves mostly deciduous, cauline, mostly alternate, reduced proximally or forming basal rosettes in a few species; petiole absent
  74 KB (2,673 words) - 15:17, 5 February 2024
• Taraxacum
  Phyllaries 7–25 in 2(–3) series, weakly coherent proximally in buds (interlocking folded margins), distinct later, erect (sometimes slightly spreading) in flower
  24 KB (2,224 words) - 20:51, 5 November 2020
• Onagraceae
  North America, temperate forests, and arctic tundra; some species of Epilobium, Ludwigia, and Oenothera can be weeds in disturbed habitats. Members of the
  12 KB (806 words) - 17:42, 2 December 2022
• Scrophulariaceae
  boreal and arctic North America and Asia, tropical Africa, Antarctica. Genera ca. 60, species ca. 1700 (9 genera, 45 species in the flora). As noted in the introduction
  10 KB (925 words) - 20:31, 5 November 2020
• Andreaea
  stalked mucilage hairs in leaf axils, stalks usually brown. Leaves spiraling around stem in several rows, usually brittle, commonly ending in a distinct apiculus
  5 KB (320 words) - 22:24, 5 November 2020
• Codriophorus
  Treatment appears in FNA Volume 27. Treatment on page 295. Mentioned on page 204, 267, 293, 294. Plants small, medium to large, mostly stiff and rigid,
  6 KB (470 words) - 22:26, 5 November 2020
• Luzula subg. Luzula
  conspicuous to barely visible. Temperate and arctic regions and tropical mountains. Species ca. 50 (15 species in the flora). BocherBöcher, T. W. 1950. Contributions
  7 KB (265 words) - 16:07, 7 June 2022
• Minuartia
  pulvinate plant of moist arctic areas, may be difficult to identify in the key since flowers are often absent, especially in northern populations. Vegetative
  18 KB (1,045 words) - 23:09, 5 November 2020
• Cactaceae subfam. Opuntioideae
  species in the flora). All genera of Opuntioideae in the flora have been combined into the genus Opuntia at various times. Recent research findings in morphology
  5 KB (602 words) - 22:57, 5 November 2020
• Ptychostomum
  Hemisphere in arctic, boreal and alpine regions, plus the Southern Hemisphere in cold-temperate to subantarctic regions. Species ca. 60 (31 in the flora)
  6 KB (577 words) - 22:34, 5 November 2020
• Papaver radicatum
  Kifbenhavnske Selsk. Laerd. Elsk. 10: 455. 1770. Common names: Arctic poppy Illustrated Treatment appears in FNA Volume 3. Plants loosely to densely cespitose, to
  4 KB (261 words) - 16:04, 29 February 2024
• Betula
  round-lobed in dwarf northern species); surfaces glabrous to tomentose, sometimes abaxially resinous-glandular. Inflorescences: staminate catkins mostly terminal
  17 KB (1,146 words) - 22:51, 5 November 2020
• Saxifraga hirculus
  (2n = 32), circumboreal (Ontario to Alaska in North America); and subsp. compacta (2n = 32), mostly Arctic Eurasia, Atlantic Islands (Iceland, Spitsbergen)
  4 KB (380 words) - 23:42, 5 November 2020
• Carex sect. Racemosae
  style deciduous. Dry plains, wetlands, arctic, alpine tundras in North America and Eurasia. Species ca. 60 (29 species in the flora). Hermann, F. J. 1968. Notes
  12 KB (420 words) - 21:42, 5 November 2020
• Douglasia
  = 18, 19. nw North America, e Asia (Russian Far East), arctic and alpine regions. Species 9 (9 in the flora). Whether Douglasia should be considered a separate
  7 KB (624 words) - 23:44, 5 November 2020
• Fissidens
  primordia, discussed in detail by Z. Iwatsuki and R. A. Pursell (1980). These structures are weakly developed in species found in the Western Hemisphere
  26 KB (1,714 words) - 22:26, 5 November 2020
• Brachytheciaceae
  Ignatov are mainly terrestrial mosses in mesic sites, variable in seta characters, but mostly having a conic operculum in the core genera, Brachythecium, Sciuro-hypnum
  20 KB (981 words) - 22:37, 5 November 2020
• Hylocomium splendens
  and Arctic tundra, covering large areas of Canada, Alaska, northern Europe, and Siberia. Variation in nutrients and climate produces variation in size
  5 KB (520 words) - 22:36, 5 November 2020
• Rhodiola
  North America, Eurasia, montane to arctic areas. Species ca. 40 (3 in the flora). In Rhodiola, inflorescences are borne in axils of scale leaves on the rootstocks
  4 KB (321 words) - 23:42, 5 November 2020
• Carex sect. Ovales
  Species ca. 85 (72 in the flora). The complex and difficult sect. Ovales is the largest section of Carex in North America. Only a few species in the section are
  55 KB (863 words) - 21:41, 5 November 2020
• Agoseris glauca var. dasycephala
  at high elevations in the western cordillera, extending eastward onto the northern prairies, and disjunctively in the Canadian arctic (Caribou Hills). It
  6 KB (442 words) - 20:52, 5 November 2020
• Rumex
  (polyploidy widespread in the genus). Almost worldwide, but mostly in temperate regions of both hemispheres, some taxa occur in many regions of the world
  37 KB (831 words) - 13:59, 3 June 2022
• Anthoxanthum
  genus of about 50 species that grow in temperate and arctic regions throughout the world. There are seven species in the Flora region, five of which are
  10 KB (934 words) - 23:05, 30 March 2022
• Huperzia
  oblanceolate, monomorphic or varying in size according to seasonal growth patterns; juvenile (basal or proximal) leaves mostly larger than mature (terminal or
  8 KB (770 words) - 21:25, 5 November 2020
• Poa sect. Abbreviatae
  2 mm) or aborted late in development. Poa sect. Abbreviatae includes five North American species, two of which also grow in arctic regions of the Eastern
  3 KB (383 words) - 17:25, 11 May 2021
• Carex sect. Vesicariae
  Temperate to arctic regions of the Northern Hemisphere and scattered in cooler regions of the tropics and Southern Hemisphere. Species ca. 45 (19 in the flora)
  10 KB (436 words) - 21:44, 5 November 2020
• Achillea
  to temperate and arctic regions of North America and Eurasia. Species ca. 115 (4 in the flora). Centers of diversity for Achillea are in Europe and Asia
  6 KB (563 words) - 20:56, 5 November 2020
• Physaria
  those taxa that were traditionally placed in Physaria, in the strict sense, where replum shape is sometimes helpful in separating species. The valves of didymous-fruited
  34 KB (1,355 words) - 20:43, 12 April 2023

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