Tetrachondraceae is a plant family in the order Lamiales. The family contains the two genera Polypremum and Tetrachondra,USDA, ARS, National Genetic Resources Program. Germplasm Resources Information Network – (GRIN). National Germplasm Resources Laboratory, Beltsville, Maryland. (8 January 2013) which together comprise the three species: Polypremum procumbens – juniper leaf or rustweedUSDA-NRCS PLANTS Database: Polypremum procumbens L. – juniper leafAtlas of Florida Vascular Plants: Polypremum procumbens L. – rustweed Tetrachondra hamiltonii Tetrachondra patagonica
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