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Wildlife, Animals, and Plants |
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DISTRIBUTION AND OCCURRENCE
GENERAL DISTRIBUTION:Soaptree yucca occurs in central Arizona, southern New Mexico, western Texas [2,8], and Coahuila and Chihuahua, Mexico [17]. The PLANTS database provides a distributional map of soaptree yucca in the United States. The typical variety occurs from central Arizona east to southwestern Texas; it is the only variety native to Mexico [24]. Utah yucca occurs from Nevada east to southwestern Arizona and south to north-central Arizona. Verdi yucca is known only in central Arizona [4,24,49].
ECOSYSTEMS [15]:FRES30 Desert shrub FRES32 Texas savanna FRES33 Southwestern shrubsteppe FRES38 Plains grasslands FRES40 Desert grasslands
STATES:
BLM PHYSIOGRAPHIC REGIONS [5]:7 Lower Basin and Range 11 Southern Rocky Mountains 12 Colorado Plateau 13 Rocky Mountain Piedmont
KUCHLER [28] PLANT ASSOCIATIONS:K039 Blackbrush K040 Saltbush-greasewood K041 Creosote bush K042 Creosote bush-bursage K043 Paloverde-cactus shrub K044 Creosote bush-tarbush K045 Ceniza shrub K046 Desert: vegetation largely lacking K053 Grama-galleta steppe K054 Grama-tobosa prairie K058 Grama-tobosa shrubsteppe K059 Trans-Pecos shrub savanna K060 Mesquite savanna K061 Mesquite-acacia savanna K065 Grama-buffalo grass K076 Blackland prairie
SAF COVER TYPES [12]:68 Mesquite 242 Mesquite
SRM (RANGELAND) COVER TYPES [39]:211 Creosote bush scrub 212 Blackbush 501 Saltbush-greasewood 502 Grama-galleta 503 Arizona chaparral 505 Grama-tobosa shrub 506 Creosotebush-bursage 507 Palo verde-cactus 508 Creosotebush-tarbush 701 Alkali sacaton-tobosagrass 702 Black grama-alkali sacaton 703 Black grama-sideoats grama 705 Blue grama-galleta 706 Blue grama-sideoats grama 707 Blue grama-sideoats grama-black grama 708 Bluestem-dropseed 712 Galleta-alkali sacaton 713 Grama-muhly-threeawn 714 Grama-bluestem 715 Grama-buffalo grass 716 Grama-feathergrass 725 Vine mesquite-alkali sacaton 729 Mesquite
HABITAT TYPES AND PLANT COMMUNITIES:Soaptree yucca is present in many desert scrub communities and is also an important component of semi-desert grasslands. In the San Simon Valley of southeastern Arizona, soaptree yucca, Mariola (Parthenium incanum), and cacti (Opuntia spp.) were subdominant in communities where creosotebush (Larrea tridentata), tarbush (Flourensia cernua), mesquite (Prosopis spp.), or acacia (Acacia spp.) were dominant [10]. Similar shrub communities were described in the Huachuca Mountains of the southern border of Arizona below 4,500 feet (1,370 m). Grass species present here were black grama (Bouteloua eriopoda), crowfoot grama (B. rothrockii), burrograss (Sclerpogon brevifolius), fluffgrass (Tridens pulchellus), bush muhly (Muhlenbergia porteri), and threeawns (Aristida spp.). Desertholly (Perezia nana) and burrowweed (Isocoma tenuisecta) were present in disturbed areas [45]. Soaptree yucca is also subdominant on the Jornada Experimental Range near Las Cruces, New Mexico, and similar communities occur there [3]. Soaptree yucca occurs in an irregular, clumped distribution in grasslands dominated by gramas (Bouteloua spp.), threeawns, tobosagrass (Pleuraphis mutica), and dropseeds (Sporobolus spp.) [6,17,32]. On the Jornada Experimental Range, soaptree yucca is described as a "structural dominant:" 1 of few shrubs growing in black grama grasslands [25]. Soaptree yucca, creosotebush, and fourwing saltbush (Atriplex canescens) are the predominant shrubs in the large area of dune fields known as the Mesilla Basin, New Mexico and adjacent Chihuahua, Mexico [29].
Related categories for SPECIES: Yucca elata | Soaptree Yucca |
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