but only one, Distichlis spicata, is found in North America. Beetle, A.A. 1943. The North American variations of Disticblis spicata. Bull. Torrey Bot. Club
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bartramiana, A. canadensis, A. humilis, A. interior, A. sanguinea, and A. spicata (M. L. Fernald 1950; L. Cinq-Mars 1971). J. E. Cruise (1964) documented
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speciesDanthonia spicata (L.) P. Beauv. ex Roem. & Schult. Stephen J. Darbyshire Common names: Poverty oatgrass Danthonie à épi Synonyms: Danthonia spicata var. pinetorum
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tribePoaceae tribe Triticeae genusPseudoroegneria Show Lower Taxa Pseudoroegneria spicata (Nevski) Á. Löve Jack R. Carlson Treatment appears in FNA Volume 24. Treatment
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awned phase can be called Pseudoroegneria spicata (Pursh) Á. Löve f. spicata and the unawned phase P. spicata f. inermis (Scribn. & J.G. Sm.) Barkworth
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LAYOUT:treatment:TUOYAL familyPlantaginaceae genusVeronica speciesVeronica spicata Linnaeus Sp. Pl. 1: 10. 1753. Dirk C. Albach Common names: Spiked speedwell véronique
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familyJuncaceae genusLuzula subgenusLuzula subg. Luzula speciesLuzula spicata (Linnaeus) de Candolle in J. Lamarck and A. P. de Candolle, Fl. France,
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torreyana, and B. watsoni as synonymous with B. spicata. Even when those taxa are removed, B. spicata remains a variable species, widespread at low to
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Basionym: Atriplex spicata S. Watson Proc. Amer. Acad. Arts 9: 108. 1874, no t Stokes 1812 Synonyms: Atriplex patula subsp. spicata H. M. Hall & Clements
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easily confused with A. spicata. K. M. Wiegand (1912) thought that A. nantucketensis originated as a hybrid between A. spicata (which he called A. stolonifera)
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tribeAsteraceae tribe Eupatorieae genusLiatris speciesLiatris spicata varietyLiatris spicata var. spicata Guy L. Nesom Endemic Treatment appears in FNA Volume 21
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tribeAsteraceae tribe Eupatorieae genusLiatris speciesLiatris spicata varietyLiatris spicata var. resinosa (Nuttall) Gaiser Rhodora 48: 216. 1946. Guy L
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Pseudoroegneria spicata (p. 281). Judging from specimens of controlled hybrids, hybridization with E. trachycaulus (p. 321) and unawned plants of P. spicata probably
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neutral soils. Amelanchier humilis was considered to be conspecific with A. spicata by G. N. Jones (1946). Occurrence of A. humilis in Saskatchewan, Kansas
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speciesMicranthes spicata (D. Don) Small in N. L. Britton et al., N. Amer. Fl. 22: 146. 1905,. Luc Brouillet, Patrick E. Elvander† Basionym: Saxifraga spicata D. Don
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Chloridoideae tribePoaceae tribe Cynodonteae genusDistichlis speciesDistichlis spicata (L.) Greene Mary E. Barkworth Common names: Saltgrass Treatment appears
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Epidendroideae tribeOrchidaceae tribe Malaxideae genusMalaxis speciesMalaxis spicata Swartz Prodr., 119. 1788. Paul M. Catling, Lawrence K. Magrath Common names:
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R.I., Europe, w Asia. Carex spicata is common in some areas and almost certainly under-recorded. The reports of C. spicata from Virginia are erroneous
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Chloridoideae tribePoaceae tribe Cynodonteae genusEragrostis speciesEragrostis spicata Vasey Paul M. Peterson Common names: Spike lovegrass Treatment appears in
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Callirhoe spicata Regel Gartenflora 21: 291, plate 737, figs. 3, 4. 1872 Synonyms: Sidalcea oregana var. spicata (Regel) Jepson S. spicata S. spicata var. tonsa M
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Spellenberg Sida 20: 153. 2002. Richard W. Spellenberg Basionym: Boerhavia spicata var. palmeri S. Watson Proc. Amer. Acad. Arts 24: 70. 1889 (as Boerhaavia)
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12: 385. 1909. Richard W. Spellenberg Illustrated Basionym: Boerhavia spicata var. torreyana S. Watson Proc. Amer. Acad. Arts 24: 70. 1889 (as Boerhaavia)
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reported that it hybridizes with A. arborea, A. intermedia, A. laevis, and A. spicata. Hybrids with A. arborea appear to be common and some microspecies may result
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multiglandulosa (especially the “robusta” forms) appear to approach C. spicata in certain characters. The most striking similarity involves presence of
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similar to that of L. spicata var. resinosa; the long, dense spikes and wider basal leaves are more like those of L. spicata var. spicata. Little differentiation
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on an illustration that is conspecific with the type of the European A. spicata Linnaeus and does not apply to plants here called A. pachypoda. Native Americans
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Dak. ×Pseudelymus saxicola consists of hybrids between Pseudoroegneria spicata and Elymus elymoides. It is a rather common hybrid in western North America
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Amelanchier intermedia hybridizes with A. bartramiana, A. humilis, and A. spicata (L. Cinq-Mars 1971). A. C. Dibble et al. (1998) reported that two individuals
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outcrops in the Potomac River Gorge in Maryland and Virginia suggest A. spicata in growth form and habitat but differ in having glabrous ovary apices and
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concernEndemic Basionym: Sidalcea valida Greene Pittonia 3: 157. 1897 Synonyms: S. spicata subsp. valida (Greene) Wiggins Treatment appears in FNA Volume 6. Treatment
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graminifolia var. virgata (Nuttall) Fernald Liatris regimontis Liatris spicata var. racemosa de Candolle Treatment appears in FNA Volume 21. Treatment
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Gnaphalium coarctatum Willdenow Sp. Pl. 3: 1886. 1803, Synonyms: Gamochaeta spicata Cabrera Treatment appears in FNA Volume 19. Treatment on page 435. Mentioned
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than in deep loams. It is derived from hybrids between Pseudoroegneria spicata (p. 281) and E. lanceolatus (p. 327). In practice, it is probably restricted
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and northern New Mexico. It resembles the awned phase of Pseudoroegneria spicata (p. 281), but differs in having rather thicker culms and spikes, and stouter
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sympatric with P. spicata, but the two tend to grow in different habitats, E. wawawaiensis growing in shallow, rocky soils and P. spicata in medium- to fine-textured
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species. Subgenus Pseudolysimachium includes Veronica longifolia and V. spicata, which are naturalized in the flora area, but also other species and hybrids
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fernaldii, A. gaspensis, A. humilis, A. intermedia, A. laevis, A. sanguinea, A. spicata, and A. interior. The hybrid with A. laevis can usually be found when these
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of these specimens. For some specimens, Jones first annotated them as A. spicata and later changed his annotation to A. gaspensis. Wiegand annotated one
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between A. sanguinea and A. bartramiana, A. canadensis, A. laevis, and A. spicata have been reported (M. L. Fernald 1950; P. Landry 1975). The authors have
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Sidalcea interrupta Greene S. reptans var. ranunculacea (Greene) Jepson S. spicata var. ranunculacea (Greene) Roush Treatment appears in FNA Volume 6. Treatment
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names: Bird-foot checkerbloom Conservation concernEndemic Synonyms: Sidalcea spicata var. pedata (A. Gray) Jepson Treatment appears in FNA Volume 6. Treatment
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names: Sierra checkerbloom Endemic Synonyms: Sidalcea favosa Congdon S. spicata var. reptans (Greene) Jepson Treatment appears in FNA Volume 6. Treatment
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multicaulis Rafinesque G. odorata Sessé ex Lagasca 1816 G. parvifolia Torrey G. spicata Sessé & Mociño Treatment appears in FNA Volume 10. Illustrator: Copyright:
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swarm involving A. laevis (or sometimes A. arborea) and plants of the A. spicata and/or A. sanguinea complex. A hybrid origin of A. interior from A. laevis
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more revolute sepals and petals, and more deeply lobed labellum than H. spicata, both species with which it is occasionally confused. The plants are occasionally
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hybrids between var. lasiophylla and L. spicata var. resinosa, whose ranges meet in that area. Some plants of L. spicata in Illinois, Indiana, and Minnesota
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mallow Basionym: Malva americana Linnaeus Sp. Pl. 2: 687. 1753 Synonyms: M. spicata Linnaeus Malvastrum spicatum (Linnaeus) A. Gray Treatment appears in FNA
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derived from an artificial cross between E. repens and Pseudoroegneria spicata (p. 281). Because of its morphological similarity to plants obtained from
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concern. Atriplex cordulata var. cordulata often occurs with Distichlis spicata, Centromadia pungens, Suaeda moquinii, Spergularia macrotheca, Frankenia
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conservation concern. Atriplex cordulata var. erecticaulis occurs with Distichlis spicata, Centromadia pungens, Frankenia salina, Cressa truxillensis, Heliotropium
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allies, E. glaucus (p. 306), E. trachycaulus (p. 321), Pseudoroegneria spicata (p. 281), and other species. Subsequent introgression may have contributed
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infraspecific variation are also seen in the leaf and lemma vestiture of D. spicata and D. californica, but the genetic basis of this variation is probably
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are also probable hybrids with E. glaucus (p. 306) and Pseudoroegneria spicata (p. 281). None. None. window.propertiesFromHigherTaxa=[{"rank":"genus","name":"Elymus"
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so that the spike appears erect, are easily mistaken for Pseudoroegneria spicata (p. 281), but they have thicker culms and longer ligules, more basal leaves
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magellanicus and its intra- and intergeneric hybrids with Pseudoroegneria spicata, Hordeum violaceum, E. trachycaulus, E. lanceolatus, and E. glaucus (Poaceae:
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conservation concern. Atriplex parishii var. minuscula occurs with Distichlis spicata, Centromadia pungens, Suaeda moquin-tandonii, Spergularia macrotheca:, Frankenia
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conservation concern. Atriplex parishii var. depressa occurs with Distichlis spicata, Frankenia salina, Centromadia pungens, Spergularia macrotheca, and Astragalus
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depressa var. subtilis occurs with Allenrolfea occidentalis, Distichlis spicata, Centromadia pungens, Suaeda Moquin-Tandonii, Spergularia macrotheca, Frankenia
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grandiflora, Psilocarpus brevissimus, other annual species, and Distichlis spicata. This taxon, with its persistent, thickened fruiting bracteoles, is probably
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its high wet mountain-meadow habitat. It intergrades somewhat with subsp. spicata. Similar plants, possibly referable to subsp. hydrophila, have been found
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ligulistylis? (fide L. O. Gaiser 1946) Liatris ×steelei Gaiser—L. aspera × L. spicata Liatris ×weaveri Shinners—L. aspera × L. punctata (known only from garden-grown
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and its robust habit and narrow range. It clearly intergrades with subsp. spicata and also strongly resembles Sidalcea setosa. There are no recent collections
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Wash., Wyo. Subspecies oregana is variable; it intergrades with subsp. spicata and Sidalcea setosa. C. L. Hitchcock (1957) accepted five varieties within
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confused with S. campestris, S. hendersonii, S. nelsoniana, S. oregana (subsp. spicata), S. setosa, and S. virgata. Molecular data support a close relationship
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intergrades with, and has been confused with, S. oregana subspp. oregana and spicata, and some authors have considered it to be doubtfully distinct from them
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hendersonii is showy and distinctive; it has been confused with S. oregana subsp. spicata and with S. cusickii, to which it is similar and apparently closely related
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smithii), Poa fendleri, P. nevadensis, P. sandbergii, Pseudoroegneria spicata (= Agropyron spicatum), Sitanion hystrix, Sporobolus airoides, and Stipa
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