Bloomipedia
Straggler daisy (Calyptocarpus vialis)
Photo: Brandon Johnson via iNaturalist · CC BY 4.0 · resized

Flower profile

Straggler daisy

Calyptocarpus vialis

Introduced in the lower 48

Straggler daisy is a wildflower that USDA PLANTS lists as introduced in the lower 48 states. It's on our flower lists for 3 states, and across the U.S. it's most often seen in bloom in March–December.

13states
3of our state lists
37,605U.S. sightings*

*iNaturalist research-grade observations, as of October 17, 2026.

On our lists for: Hawaii, Louisiana, Texas

Quick look

Calyptocarpus vialis is a species of flowering plant in the family Asteraceae. Common names for C. vialis include straggler daisy, horseherb, lawnflower, and creeping Cinderella-weed. It is native to south Texas, Mexico, Belize, Venezuela, and the Caribbean. It has also been introduced east of Texas, Argentina, Hawaii, India, Java, Australia, and Taiwan. It is one of only three species in the genus Calyptocarpus.

  • It belongs to the Asteraceae family. iNaturalist
  • USDA PLANTS describes it as an herb (forb) with a perennial life cycle. USDA PLANTS
  • USDA PLANTS lists it as introduced in the lower 48 states and records it in 13 states. USDA PLANTS
  • NatureServe lists it as not native to Louisiana and Hawaii. NatureServe
  • In Texas, most iNaturalist sightings of it in flower come in March–December. iNaturalist
  • In Louisiana, most iNaturalist sightings of it in flower come in January–December. iNaturalist
  • iNaturalist has 32,278 research-grade sightings of it in Texas, ranking #5 among the 109 flowers on our Texas list. iNaturalist
  • iNaturalist has 1,461 research-grade sightings of it in Louisiana, ranking #14 among the 109 flowers on our Louisiana list. iNaturalist
  • iNaturalist has 659 research-grade sightings of it in Hawaii, ranking #76 among the 105 flowers on our Hawaii list. iNaturalist

Straggler daisy gift ideas

Handmade straggler daisy gifts from independent makers.

When does it bloom?

Flowering records by month across the U.S. (iNaturalist research-grade observations marked “Flowering”) (2,629 records)
Bloom time in each of our 3 states
StateTypePeak bloomSightings*
Texas–March–December32,278
LouisianaIntroducedJanuary–December1,461
HawaiiIntroducedJanuary–December659

Conservation status

Federal (U.S. ESA)
Not listed No U.S. Endangered Species Act listing in the USFWS ECOS database. USFWS ECOS
NatureServe global
G5 Secure worldwide. NatureServe
Texas
Not listed Not on Texas endangered and threatened plants (31 Tex. Admin. Code § 69.8), as listed by Texas Parks and Wildlife. NatureServe has no Texas rank for it. 31 TAC 69.8
Louisiana
No list Louisiana has no state list of endangered or threatened plants separate from the federal list, so we show federal status and NatureServe's Louisiana ranks. NatureServe: SNA, not applicable (usually because it isn't native there) in Louisiana.
Hawaii
Not listed Not on Hawaii threatened and endangered plants (HAR 13-107; the state list follows the federal list), DLNR Division of Forestry and Wildlife. NatureServe: SNA, not applicable (usually because it isn't native there) in Hawaii. HAR 13-107
Rare elsewhere
No other U.S. state ranks it S1, S2, SH or SX.

Checked October 17, 2026. Rankings and lists can change, so follow the links for the latest.

Can you eat it?

For peopleEdible (per NC State Extension)

NC State Extension notes: “The leaves can be eaten by both humans and animals.” NC State Extension

For petsNot well documented

It isn't on the ASPCA plant list, and NC State Extension doesn't flag it for pets.

🌿 Never eat a wild plant unless you're certain of its ID; this isn't medical advice. Worried about a person? Call Poison Control at 1-800-222-1222. Worried about a pet? Call your vet.

Where does it grow?

USDA PLANTS records straggler daisy in 13 states.

recorded by USDA PLANTS on our state lists not recorded

See the full list of states

Alabama, Arizona, Arkansas, Florida, Georgia, Hawaii, Illinois, Louisiana, Mississippi, New Mexico, Oklahoma, South Carolina, Texas.

Texas counties with USDA records: Angelina, Bastrop, Bee, Bell, Bexar, Blanco, Brazoria, Brazos, Brewster, Brown, Burleson, Caldwell, Cameron, Chambers, Comal, Dallas, Duval, Erath, Fayette, Fort Bend, Frio, Galveston, Gillespie, Goliad, Gonzales, Grayson, Guadalupe, Harris, Hays, Hidalgo, Hood, Jackson, Jim Wells, Karnes, Kendall, Kenedy, Kinney, Kleberg, Maverick, McLennan, Nueces, Pecos, San Jacinto, San Patricio, Somervell, Starr, Tarrant, Tom Green, Travis, Uvalde, Val Verde, Victoria, Walker, Washington, Webb, Willacy, Williamson, Wilson, Zapata.

Louisiana counties with USDA records: Allen, Assumption, Caddo, Calcasieu, Cameron, East Baton Rouge, Grant, Iberia, Jefferson, Jefferson Davis, Lafayette, Lafourche, Livingston, Madison, Natchitoches, Orleans, Ouachita, Plaquemines, Rapides, St. Bernard, St. Charles, St. James, St. John the Baptist, St. Landry, St. Martin, St. Mary, St. Tammany, Tangipahoa, Terrebonne, Vermilion, Washington, West Feliciana.

Hawaii counties with USDA records: Honolulu, Kauai, Maui.

More Texas flowers

Sources