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Flora that is commonly associated with the Lophophora species.
Larrea tridentata "gobernadora" or "creosote bush" over 75% See TAMU |
Jatropha dioica "leather plant" 70% |
Prosopis laevigata "mesquite" 70% |
Opuntia leptocaulis "tasajillo" or "pencil cactus" 70% |
Mammillaria spp. "fish-hook" cactus or "nipple" cactus or "pin cushion cactus" 50% |
Echinocactus horizonthalonius "eagle's claw cactus" 50% We commonly found this locally abundant in the vicinity of L. williamsii but together only one time. |
Flourensia cernua "tarbush" 50% |
Agave lechuguilla "lechuguilla" 50% |
Coryphantha spp. 40% |
Acacia spp. "acacia" 40% |
Condalia spp. "lotebush" 40% |
40% |
Euphorbia antisyphilitica "candelilla" or "wax plant" less than 40% |
Tiquilia canescens (formerly Coldenia canescens) less than 40% |
Koeberlinia spinosa "crucifixion thorn" less than 40% |
Yucca filifera "yucca" 40% |
Hamatocactus spp. 40% |
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*The percentage given by Anderson was obtained as the ratio of the number of peyote sites where Anderson found that particular plant species to occur compared to the total number of peyote sites that Anderson investigated in his 1960 dissertation (converted to a percentage). The majority of these (~10) sites were Chihuahuan Desert populations and most, but not all, of them were L. williamsii. |
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In south Texas, Lophophora williamsii commonly grows in association also with Viguiera,Yucca, Opuntia spp., Opuntia leptocaulis, Echinocactus texensis and Echinocereus spp.  
Typical Lophophora williamsii habitat in Starr County Texas In the Chihuahuan Desert it occurs in both the subdivision classified by desert scrub such as Larrea tridentata, Prosopis laevigata and Flourensia cernua, and also in the subdivision characterized by desert scrub incorporating many plants such as Agave lechuguilla and Yucca spp. |
Acacia amentacea (i.e. A. rigidula) "black-brush acacia" |
Castela texana "amargoso" |
Celtis pallida "granjeno" or "Desert hackberry" |
Condalia obovata "brazil" |
Karwinskia humboldtiana "coyotillo" |
Larrea tridentata "gobernadora" or "creosote Bush" |
Leucophyllum frutescens "cenizo" or "Texas sage" |
Porlieria angustifolia "guayacan" |
Prosopis juliflora "mesquite" |
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Any of which could serve as a nurse plant (Almost all images above are actual instances of co-occurrence with Lophophora williamsii). |
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(Its habitat is described as "Matorral xerófilo".)
| Martin:
The following at present simply summarizes what appears in the assorted images taken by you or me or other people accompanying you to South Texas and elsewhere. Accompanied by links to those images.
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In addition to Anderson's & Morgan's vegetation lists farther above,
other plants that have been witnessed in South Texas growing with or close to Lophophora williamsii include:
Also the assorted unidentifieds listed below:
maybe a Lycium sp.? |
maybe a Lycium sp.? |
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While this is not a plant, we thought it was worth mentioning. |
| There could be additional overlap in the South Texas list above that is not yet noted here concerning the vegetation in the asterias associated plant list |
In West Texas, a rock seemed to be the single most commonly chosen companion of Lophophora seedlings.
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(as nurse plant) |
commonly found near the vicinity of Lophophora populations but, so far, not encountered growing together. |
(as nurse plant) |
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(as nurse plant) |
(as nurse plant) |
(sometimes close to each other) |
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(sometimes close to each other) |
(often close to each other) |
(as nurse plant) |
|
(growing together) |
found nearby peyote but not as mixed populations |
(sometimes close to each other) |
(as nurse plant) |
(growing together) |
(growing together) |
(commonly close to each other) |
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(sometimes close to each other) |
(commonly close to each other) |
(sometimes close to each other) |
(as nurse plant) |
(as nurse plant) |
(as nurse plant) |
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(commonly close to each other) |
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(growing together) |
(as nurse plant) |
(as nurse plant) |
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(growing together) |
(as nurse plant) |
(as nurse plant) |
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(as nurse plant) |
(as nurse plant) |
Plants which were encountered with Lophophora in West Texas that are still needing identification:
probably a Portulaca |
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probably a Verbena |
probably a Lycium |
This page also drew information from Morgan 1983 and from our field observations.
Lophophora williamsii var. echinata growing in Presidio County, Texas
with Echinocactus horizonthalonius and Coryphantha tuberculosa
surrounded by clubmoss and a desert crust community
including lichen, cyanobacteria and liverworts.
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