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Luzula multiflora, Luzula nivalis, Luzula orestera, Luzula pallidula, Luzula spicata, Luzula subcapitata, Luzula subcongesta Janice Coffey Swab Synonyms: Luzula

the complex. Hexalectris spicata var. arizonica possibly is a hybrid-derived taxon from H. nitida and H. spicata var. spicata, or the latter species and

punctata, Liatris pycnostachya, Liatris savannensis, Liatris scariosa, Liatris spicata, Liatris squarrosa, Liatris squarrulosa, Liatris tenuifolia, Liatris tenuis

Carex retroflexa, Carex rosea, Carex socialis, Carex sparganioides, Carex spicata, Carex texensis, Carex tumulicola, Carex vallicola Dumortier Fl. Belg.,

Micranthes reflexa, Micranthes rhomboidea, Micranthes rufidula, Micranthes spicata, Micranthes stellaris, Micranthes subapetala, Micranthes tempestiva, Micranthes

Amelanchier nitens, Amelanchier pallida, Amelanchier sanguinea, Amelanchier spicata, Amelanchier utahensis Medikus Philos. Bot. 1: 135, 155. 1789. Christopher

Veronica polita, Veronica scutellata, Veronica serpyllifolia, Veronica spicata, Veronica stelleri, Veronica sublobata, Veronica teucrium, Veronica triloba

genusHexalectris speciesHexalectris spicata Show Lower Taxa Hexalectris spicata var. arizonica, Hexalectris spicata var. spicata (Walter) Barnhart Torreya 4:

monophyllos, Malaxis paludosa, Malaxis porphyrea, Malaxis soulei, Malaxis spicata, Malaxis unifolia, Malaxis wendtii Solander ex Swartz Prodr., 8, 119. 1788

Boerhavia megaptera, Boerhavia pterocarpa, Boerhavia purpurascens, Boerhavia spicata, Boerhavia torreyana, Boerhavia triquetra, Boerhavia wrightii Linnaeus Sp

Eragrostis setifolia, Eragrostis silveana, Eragrostis spectabilis, Eragrostis spicata, Eragrostis superba, Eragrostis swallenii, Eragrostis tef, Eragrostis trichodes

fusion, and fruit diameter. Amelanchier spicata prefers acidic soil; A. humilis is a calciphile. How A. spicata and A. nantucketensis differ is discussed

multiglandulosa, Calycadenia oppositifolia, Calycadenia pauciflora, Calycadenia spicata, Calycadenia truncata, Calycadenia villosa de Candolle in A. P. de Candolle

decumbens, Danthonia intermedia, Danthonia parryi, Danthonia sericea, Danthonia spicata, Danthonia unispicata DC. Stephen J. Darbyshire Treatment appears in FNA

subtribe Bletiinae genusHexalectris speciesHexalectris spicata varietyHexalectris spicata var. spicata Douglas H. Goldman, Ronald A. Coleman, Lawrence K. Magrath

Eupatorieae genusLiatris speciesLiatris spicata Show Lower Taxa Liatris spicata var. resinosa, Liatris spicata var. spicata (Linnaeus) Willdenow Sp. Pl. 3: 1636

reduced segregate of Hexalectris spicata has been thought to be of hybrid origin, derived either from H. spicata var. spicata and H. nitida, or less likely

speciesCalycadenia spicata (Greene) Greene Fl. Francisc. 4: 422. 1897. Robert L. Carr, Gerald D. Carr Endemic Basionym: Hemizonia spicata Greene Bull. Torrey

subsp. hydrophila, Sidalcea oregana subsp. oregana, Sidalcea oregana subsp. spicata, Sidalcea oregana subsp. valida (Nuttall ex Torrey & A. Gray) A. Gray Mem

Bruce A. Ford Common names: Actée rouge EndemicIllustrated Basionym: Actaea spicata var. rubra Aiton Hort. Kew. 2: 221. 1789 Synonyms: Actaea arguta Nuttall

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

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

speciesDanthonia spicata (L.) P. Beauv. ex Roem. & Schult. Stephen J. Darbyshire Common names: Poverty oatgrass Danthonie à épi Synonyms: Danthonia spicata var. pinetorum

tribePoaceae tribe Triticeae genusPseudoroegneria Show Lower Taxa Pseudoroegneria spicata (Nevski) Á. Löve Jack R. Carlson Treatment appears in FNA Volume 24. Treatment

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

LAYOUT:treatment:TUOYAL familyPlantaginaceae genusVeronica speciesVeronica spicata Linnaeus Sp. Pl. 1: 10. 1753. Dirk C. Albach Common names: Spiked speedwell véronique

familyJuncaceae genusLuzula subgenusLuzula subg. Luzula speciesLuzula spicata (Linnaeus) de Candolle in J. Lamarck and A. P. de Candolle, Fl. France,

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

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

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)

tribeAsteraceae tribe Eupatorieae genusLiatris speciesLiatris spicata varietyLiatris spicata var. spicata Guy L. Nesom Endemic Treatment appears in FNA Volume 21

tribeAsteraceae tribe Eupatorieae genusLiatris speciesLiatris spicata varietyLiatris spicata var. resinosa (Nuttall) Gaiser Rhodora 48: 216. 1946. Guy L

Pseudoroegneria spicata (p. 281). Judging from specimens of controlled hybrids, hybridization with E. trachycaulus (p. 321) and unawned plants of P. spicata probably

neutral soils. Amelanchier humilis was considered to be conspecific with A. spicata by G. N. Jones (1946). Occurrence of A. humilis in Saskatchewan, Kansas

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

Chloridoideae tribePoaceae tribe Cynodonteae genusDistichlis speciesDistichlis spicata (L.) Greene Mary E. Barkworth Common names: Saltgrass Treatment appears

Epidendroideae tribeOrchidaceae tribe Malaxideae genusMalaxis speciesMalaxis spicata Swartz Prodr., 119. 1788. Paul M. Catling, Lawrence K. Magrath Common names:

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

Chloridoideae tribePoaceae tribe Cynodonteae genusEragrostis speciesEragrostis spicata Vasey Paul M. Peterson Common names: Spike lovegrass Treatment appears in

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

Spellenberg Sida 20: 153. 2002. Richard W. Spellenberg Basionym: Boerhavia spicata var. palmeri S. Watson Proc. Amer. Acad. Arts 24: 70. 1889 (as Boerhaavia)

12: 385. 1909. Richard W. Spellenberg Illustrated Basionym: Boerhavia spicata var. torreyana S. Watson Proc. Amer. Acad. Arts 24: 70. 1889 (as Boerhaavia)

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

multiglandulosa (especially the “robusta” forms) appear to approach C. spicata in certain characters. The most striking similarity involves presence of

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

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

Dak. ×Pseudelymus saxicola consists of hybrids between Pseudoroegneria spicata and Elymus elymoides. It is a rather common hybrid in western North America

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

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

concernEndemic Basionym: Sidalcea valida Greene Pittonia 3: 157. 1897 Synonyms: S. spicata subsp. valida (Greene) Wiggins Treatment appears in FNA Volume 6. Treatment

graminifolia var. virgata (Nuttall) Fernald Liatris regimontis Liatris spicata var. racemosa de Candolle Treatment appears in FNA Volume 21. Treatment

Gnaphalium coarctatum Willdenow Sp. Pl. 3: 1886. 1803, Synonyms: Gamochaeta spicata Cabrera Treatment appears in FNA Volume 19. Treatment on page 435. Mentioned

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

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

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

species. Subgenus Pseudolysimachium includes Veronica longifolia and V. spicata, which are naturalized in the flora area, but also other species and hybrids

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

of these specimens. For some specimens, Jones first annotated them as A. spicata and later changed his annotation to A. gaspensis. Wiegand annotated one

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

Sidalcea interrupta Greene S. reptans var. ranunculacea (Greene) Jepson S. spicata var. ranunculacea (Greene) Roush Treatment appears in FNA Volume 6. Treatment

names: Bird-foot checkerbloom Conservation concernEndemic Synonyms: Sidalcea spicata var. pedata (A. Gray) Jepson Treatment appears in FNA Volume 6. Treatment

names: Sierra checkerbloom Endemic Synonyms: Sidalcea favosa Congdon S. spicata var. reptans (Greene) Jepson Treatment appears in FNA Volume 6. Treatment

multicaulis Rafinesque G. odorata Sessé ex Lagasca 1816 G. parvifolia Torrey G. spicata Sessé & Mociño Treatment appears in FNA Volume 10. Illustrator: Copyright:

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

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

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

mallow Basionym: Malva americana Linnaeus Sp. Pl. 2: 687. 1753 Synonyms: M. spicata Linnaeus Malvastrum spicatum (Linnaeus) A. Gray Treatment appears in FNA

derived from an artificial cross between E. repens and Pseudoroegneria spicata (p. 281). Because of its morphological similarity to plants obtained from

concern. Atriplex cordulata var. cordulata often occurs with Distichlis spicata, Centromadia pungens, Suaeda moquinii, Spergularia macrotheca, Frankenia

conservation concern. Atriplex cordulata var. erecticaulis occurs with Distichlis spicata, Centromadia pungens, Frankenia salina, Cressa truxillensis, Heliotropium

allies, E. glaucus (p. 306), E. trachycaulus (p. 321), Pseudoroegneria spicata (p. 281), and other species. Subsequent introgression may have contributed

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

are also probable hybrids with E. glaucus (p. 306) and Pseudoroegneria spicata (p. 281). None. None. window.propertiesFromHigherTaxa=[{"rank":"genus","name":"Elymus"

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

magellanicus and its intra- and intergeneric hybrids with Pseudoroegneria spicata, Hordeum violaceum, E. trachycaulus, E. lanceolatus, and E. glaucus (Poaceae:

conservation concern. Atriplex parishii var. minuscula occurs with Distichlis spicata, Centromadia pungens, Suaeda moquin-tandonii, Spergularia macrotheca:, Frankenia

conservation concern. Atriplex parishii var. depressa occurs with Distichlis spicata, Frankenia salina, Centromadia pungens, Spergularia macrotheca, and Astragalus

depressa var. subtilis occurs with Allenrolfea occidentalis, Distichlis spicata, Centromadia pungens, Suaeda Moquin-Tandonii, Spergularia macrotheca, Frankenia

grandiflora, Psilocarpus brevissimus, other annual species, and Distichlis spicata. This taxon, with its persistent, thickened fruiting bracteoles, is probably

its high wet mountain-meadow habitat. It intergrades somewhat with subsp. spicata. Similar plants, possibly referable to subsp. hydrophila, have been found

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

and its robust habit and narrow range. It clearly intergrades with subsp. spicata and also strongly resembles Sidalcea setosa. There are no recent collections

Wash., Wyo. Subspecies oregana is variable; it intergrades with subsp. spicata and Sidalcea setosa. C. L. Hitchcock (1957) accepted five varieties within

confused with S. campestris, S. hendersonii, S. nelsoniana, S. oregana (subsp. spicata), S. setosa, and S. virgata. Molecular data support a close relationship

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

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

smithii), Poa fendleri, P. nevadensis, P. sandbergii, Pseudoroegneria spicata (= Agropyron spicatum), Sitanion hystrix, Sporobolus airoides, and Stipa