| Add/Drop |
Name
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Reference
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Plots↓
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Description |
Comm #12441
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A.859
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accession code: VB.CC.2486.A859
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Shrublands included in this alliance occur in southeastern Arizona growing on north- and east-facing slopes of limestone mountains at 1460-1630 m in elevation. Climate is generally semi-arid with warm summers and cool winters. Approximately two-thirds of the 41 cm mean annual precipitation falls during the summer and early fall. The winter precipitation has high year-to-year variation. The cooler north and east aspects create relatively mesic sites necessary for the abundant growth of evergreen shrub species. These shrublands may have high diversity of woody species, but are usually dominated by ~Mortonia sempervirens$. At sites in the Mule Mountains, 58 shrubby species were recorded in 29 quadrats. ~Mortonia scabrella (= Mortonia sempervirens ssp. scabrella)$ had a mean canopy cover of 11.4%. Two other diagnostic species are ~Dasylirion wheeleri$ and ~Quercus pungens$ with 2.6% and 4.0% cover, respectively. Other common shrubs include ~Aloysia wrightii, Parthenium incanum, Rhus virens var. choriophylla, Cercocarpus montanus var. paucidentatus (= Cercocarpus breviflorus), Nolina$ spp., and ~Fouquieria splendens$. The sparse to moderately dense herbaceous layer (mean cover of 13%) is dominated by a variety of grasses such as ~Bouteloua curtipendula, Bouteloua eriopoda, Aristida purpurea var. nealleyi (= Aristida glauca), Tridens muticus, Achnatherum eminens (= Stipa eminens)$, and ~Muhlenbergia emersleyi$. Frequent forbs include ~Bahia absinthifolia$ and ~Astrolepis sinuata (= Notholaena sinuata)$. Adjacent vegetation includes desert grasslands dominated by ~Elionurus barbiculmis, Heteropogon contortus$, and ~Bouteloua$ spp. at lower elevations and other desertscrub stands dominated by ~Cercocarpus montanus, Rhus virens var. choriophylla, Acacia neovernicosa$, or ~Parthenium incanum$. |
Comm #12442
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CEGL001038
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accession code: VB.CC.3637.CEGL001038
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12443
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CEGL001039
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accession code: VB.CC.3638.CEGL001039
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12444
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Melinis repens Herbaceous Vegetation
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accession code: VB.CC.35943.CEGL007654
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Southeastern Ecology Working Gro... |
0
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This semi-natural association encompasses disturbed areas, such as old fields, vacant lots, and roadsides dominated by the exotic <i>Melinis repens (= Rhynchelytrum repens)</i>. |
Comm #12445
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Kyllinga squamulata - Isachne rigidifolia - Eleocharis spp. Herbaceous Vegetation
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accession code: VB.CC.37268.CEGL007656
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Kimber, C. T. 1988. Martinique r... |
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Small areas at high elevations in the mountains of Martinique, dominated by <i>Kyllinga squamulata, Isachne rigidifolia, Eleocharis</i> spp., and <i>Sticherus bifidus (= Dicranopteris bifida)</i>. |
Comm #12446
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Maytenus phyllanthoides - Prosopis reptans / Spartina patens Herbaceous Vegetation
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accession code: VB.CC.22668.MAYTENUSPHYLLAN
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Southeastern Ecology Working Gro... |
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This vegetation occurs on somewhat saline clayey to loamy soils on more-or-less level, 'upland' areas, a few feet above sea level, along the bases of lomas along Laguna Madre in southern Texas typically dominated by Citharexylum berlandieri - Yucca treculeana - Ebenopsis ebano - Phaulothamnus spinescens Shrubland (CEGL002170). Spartina patens is dominant, but herbaceous diversity can be fairly high in comparison to other Spartina-dominated communities in the same region. Woody plants other than subshrubs are scarce. Characteristic species include Prosopis reptans, Sophora tomentosa, Maytenus phyllanthoides, Andropogon glomeratus, Bothriochloa saccharoides, Spartina spartinae, Sporobolus virginicus, Ambrosia psilostachya, Iva texensis (= Iva angustifolia var. latior), and Palafoxia texana. |
Comm #12447
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Myriophyllum spp. Herbaceous Vegetation
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accession code: VB.CC.37243.CEGL005149
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0
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Comm #12448
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CEGL008610
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accession code: VB.CC.7912.CEGL008610
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12449
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CEGL004604
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accession code: VB.CC.6141.CEGL004604
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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Comm #12450
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CEGL004606
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accession code: VB.CC.6142.CEGL004606
NOT CURRENTLY ACCEPTED
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EcoArt 2002 |
0
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