Dolichothele sphaerica
(= Mammillaria sphaerica)
Growing with Lophophora williamsii in Jim Hogg County, Texas.
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Growing with same population of L. williamsii but showing longer tubercles.
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Growing with same population of L. williamsii and showing both.
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Encountered in 2010 with Lophophora williamsii in Jim Hogg County, Texas.
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Occurring with a Lophophora williamsii population east of Rio Grande City in Starr County, Texas.
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