Flora commonly associated with Astrophytum asterias
(in Texas and/or Mexico)

List below is largely based on data from
http://www.astrobase.de/asterias/beg/asbeg_1.html
(visit their website for their references)
& Gena K. Janssen et al. in a 2007 report entitled
"Research and recovery of Star Cactus (Astrophytum asterias)."*
with some additional entries based on our field observations.

Acacia rigidula "blackbrush Acacia"	Acacia spp.	Acharagma aguirreana	Agave lechuguilla "lechuguilla"	Agave longifolia (now = Agave fourcroydes) "henequen"
Agave scabra (now = Agave parryi) "Parry's Agave"	Agave sp.	Agave striata "espadin"	Agave victoriae-regina	Argemone platyceras (now = Argemone hispida) "rough pricklypoppy"
Ariocarpus fissuratus "chautle" "livingrock"	Ariocarpus trigonus	Aristida sp. "three-awn"	Billieturnera helleri "Coppery false fanpetals"	Bouteloua trifida "red grama"
Bumelia celastrina (Sideroxylon celastrinum) "saffron plum"	Bursera fagaroides "fragrant bursera"	Castela erecta "goat bush"	Castela texana "Texas goatbush"	Cenchrus ciliaris (now Pennisetum ciliare) "buffel grass"
Cercidium macrum (now Parkinsonia texana var. macra) "Texas palo verde"	Chloris sp. "windmill grass"	Coryphantha durangensis	Coryphantha macromeris "nipple beehive cactus"	Coryphantha poselgeriana
Coryphantha runyonii "Runyon's beehive cactus"	Dolichothele sphaerica "longimamma nipple cactus"	Echinocactus horizonthalonius "devil's-head"	Echinocactus texensis "horsecrippler"	Echinocereus enneacanthus "pitaya"
Echinocereus pectinatus "rainbow cactus"	Echinocereus pentalophus "ladyfinger cactus"	Echinocereus poselgeri "dahlia hedgehog cactus"	Echinocereus reichenbachii "lace hedgehog cactus"	Echinocereus reichenbachii var. fitchii
Echinocereus stramineus "strawberry hedgehog cactus"	Ephedra antisyphilitica "clapweed"	Epithelantha micromeris "pingpong ball cactus"	Escobaria laredoi	Escobaria zilziana
Euphorbia antisyphilitica "candelilla"	Ferocactus hamatacanthus "Turk's head"	Forestiera angustifolia "panalero" "desert olive"	Fouquieria splendens "ocotillo"	Gutierrezia sp. "snakeweed"
Hamatocactus setispinus	Hechtia sp. "hechtia"	Hilaria belangeri "curly-mesquite"	Isocoma drummondii	Isocoma sp. "goldenbush"
Jatropha dioica "leatherstem"	Karwinskia humboldtiana "coyotillo"	Koeberlinia spinosa "allthorn"	Krameria ramosissima "many-stem ratany"	Larrea tridentata "creosote bush"
Mammillaria formosa ssp. microthele	Mammillaria heyderi "little nipple cactus"	Mammillaria lasiacantha ssp. magallanii	Mammillaria lenta	Mammillaria meiacantha
Mammillaria pottsii "rat-tail nipple cactus"	Mammillaria supertexta	Monanthochloe littoralis "shoregrass"	Neolloydia conoidea "Texas cone cactus"	Opuntia bradtiana
Opuntia engelmannii (var. lindheimeri) "cactus apple"	Opuntia imbricata "tree cholla"	Opuntia leptocaulis "Christmas cactus"	Opuntia schottii	Panicum sp. "panic grass"
Pappophorum bicolor "pink pappus grass"	Parkinsonia sp. "palo verde"	Pennisetum ciliare "buffel grass"	Porlieria angustifolia "Texas lignum-vitae"	Prosopis glandulosa "honey mesquite"
Prosopis juliflora "mesquite"	Prosopis reptans "tornillo"	Prosopis sp.	Schaefferia cuneifolia "capul" "desert yaupon"	Sclerocactus megarhizus
Selaginella lepidophylla "flower of stone" "resurrection plant"	Setaria sp. "bristlegrass"	Sphaeralcea pedatifida	Sporobolus airoides "alkali sacaton"	Sporobolus pyramidatus "Madagascar dropseed"
Suaeda sp. "seepweed"	Tiquilla (Coldenia) canescens "woody crinklemat"	Tiquilla mexicana	Thelocactus bicolor "glory of Texas"	Tillandsia recurvata "Ball moss"
Varilla texana "saladillo"	Yucca species (Y. treculeana shown)	Ziziphus obtusifolia "lotebush"
*This study of nine locations of the natural occurrence of the plant in South Texas was reported in 2007 to Texas Parks & Wildlife Department by Gena K. Janssen, Jackie Poole, Paula S. Williamson & Anna W. Strong.