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especially in desert and semidesert regions, often in alkaline or saline habitats. Genera ca. 100, species ca. 1500 (27 genera, 168 species in the flora)

functional florets, sometimes with 1 or 2 staminate or sterile florets below a bisexual floret, sterile florets often reduced in size; rachillas sometimes prolonged

florets; lemmas 1-3-veined or 7-13-veined, rarely 5-veined, if with 7-13 veins, the veins often in 3 groups; lodicules 2, or absent, x = 7, 8, 9, 10, 12

sometimes slightly dorsally compressed, glabrous or hairy, hairs often concentrated in 1(3) tufts or webs, sometimes distributed around the calluses below

salsus, salty, for the habitats it occupies Treatment appears in FNA Volume 4. Mentioned on page 260, 261, 340, 351. Herbs, annual, or subshrubs [shrubs and

May–Sep. Habitat: Wet meadows, stream margins, swales, other moist sites, grasslands, steppes, and meadow habitats, slightly alkaline or saline sites, mostly

Phenology: Flowering and fruiting late spring–summer. Habitat: Moist saline habitats and alkaline seeps Elevation: below 300 m Generated Map Legacy Map

States, nw Mexico. Species 4 (4 in the flora). Species of Chloropyron grow almost exclusively in saline and alkaline habitats. Chloropyron is similar to Cordylanthus

usually in 3–5+ series (usually in spirals, sometimes in vertical ranks), distinct, unequal, and herbaceous to chartaceous or scarious or margins and/or apices

10–12 mm. Seeds brown, 1–2 mm. Phenology: Flowering Aug–Sep. Habitat: Wet alkaline, saline meadows and marshes associated with springs and seeps. Elevation:

obovoid, 2–2.3 × 1.5–1.7 mm. Phenology: Fruiting summer. Habitat: Sunny, saline, often alkaline, seasonally wet places Elevation: 400–2400 m Generated Map

Phenology: Fruiting early summer–fall. Habitat: Open sandy soils, pinyon woodlands, sagebrush, often in saline or alkaline habitats Elevation: 0-2400 m Generated

American shrubs in alkaline habitats, S. vermiculatus grows among other shrubs or in pure stands, often to great extent, especially in the Great Basin

with seed coat brown, dull. Phenology: Flowering summer–fall. Habitat: Saline or alkaline wetland soils, Great Basin desert Elevation: 1000-2200 m Generated

coat brown, dull. 2n = 36. Phenology: Flowering summer–fall. Habitat: Saline or alkaline wetland soils, including disturbed areas and reservoir margins

smooth. 2n = 34. Phenology: Flowering late spring–late summer. Habitat: Saline or alkaline flats Elevation: 500-1000 m Generated Map Legacy Map Ariz., N

resulted in the naming of many variants that often reflect a response to localized or regional habitat conditions such as degree of wetness, salinity, or freezing

Jun–Oct. Habitat: Inner edges of salt marshes, coastal grasslands, vernal pool edges and beds, openings in coastal scrub, often ± saline or alkaline sites

waterways, and salt marshes, usually on heavy soils, sometimes ± alkaline or saline Elevation: 0–800 m Generated Map Legacy Map Calif. Layia chrysanthemoides

is frequently found in association with shrubs. Both subspecies have a notable but not exclusive association with alkaline to saline substrates. Calamagrostis

faces. 2n = 36. Phenology: Flowering spring–fall. Habitat: Hard trampled, somewhat saline or alkaline soils Elevation: below 70 m Generated Map Legacy Map

1 mm. Phenology: Flowering summer–fall. Habitat: In alkaline or saline substrates, often along roadsides, in old fields and vacant lots Elevation: 400-1200

Phenology: Flowering late summer–fall. Habitat: Alkaline or saline, typically fine-textured substrates, often on shale or clay barrens, sometimes with other

Aug–Oct. Habitat: Moist, usually saline soils, summer-receding shores of lakes or ponds, vernally moist, alkaline bottoms, marshes, often in steppes Elevation:

Flowering late summer–early fall. Habitat: Seasonally wet, saline or alkaline places inland, rarely also naturalized in saline areas along highways Elevation:

obsolete, included in apical notch. Seeds ovate, 1.2–1.8 × 0.8–1.2 mm. Phenology: Flowering Mar–Jun. Habitat: Margins of playas, saline areas, meadows, gypsum

Seeds ovate, 1.8–2 × 0.9–1.1 mm. Phenology: Flowering Jun–Jul. Habitat: Alkaline and saline meadows Elevation: 1300-2000 m Generated Map Legacy Map Ariz

gravelly stream-, lake-, and seashores, sand dunes, inland alkaline habitats, dry ruderal habitats Elevation: 0–3000 m Generated Map Legacy Map Greenland,

mm. 2n = 14. Phenology: Flowering May–Jun. Habitat: Sandy alkaline ground, saline flats and fields, alkaline sloughs, stream banks, salt meadows and plains

native in coastal areas and some inland saline sites in much of the cited range, populations in the Great Lakes region are introduced where, as in S. media

and toxic weed in disturbed, barren, alkaline soils, Halogeton glomeratus is able to withstand high concentrations of salinity. It is often associated with

mineralization result in widespread deficiencies of nitrogen and phosphorus in these habitats (F.S. Chapin III and G.R. Shaver 1985). In well-drained Low Arctic