Xanthisma, common name sleepy-daisy, is a genus of flowering plants in the family Asteraceae.

The generic name comes from the Greek "xanthos," "yellow", and "-ismos," "condition." It was first described in 1836 from material collected in "The Mexican Province of Texas."

Species

• Xanthisma blephariphyllum (A.Gray) D.R.Morgan & R.L.Hartm. - TX NM
• Xanthisma coloradoense (A.Gray) D.R.Morgan & R.L.Hartm. - CO WY
• Xanthisma gracile (Nutt.) D.R.Morgan & R.L.Hartm. - CA NV UT CO AZ NM TX NY ME, Chihuahua
• Xanthisma grindelioides (Nutt.) D.R.Morgan & R.L.Hartm. - Alberta, Saskatchewan, MT ND SD NE WY CO UT AZ NV NM
• Xanthisma gypsophilum (B.L.Turner) D.R.Morgan & R.L.Hartm. - Coahuila, Durango, TX NM
• Xanthisma junceum (Greene) D.R.Morgan & R.L.Hartm. - Baja California, AZ CA
• Xanthisma paradoxum (B.L. Turner & R.L. Hartm.) G.L. Nesom & B.L. Turner - CO AZ UT
• Xanthisma spinulosum (Pursh) D.R.Morgan & R.L.Hartm. - Nuevo León, Coahuila, Alberta, Saskatchewan, Manitoba, CA AZ NM TX AR OK KS CO UT NV ID WY MT ND SD NE IA MN
• Xanthisma texanum DC. - TX NM AZ OK
• Xanthisma viscidum (Wooton & Standl.) D.R.Morgan & R.L.Hartm. - TX NM

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