Ixeris stolonifera

A. Gray

Mem. Amer. Acad. Arts, n. s. 6: 396. 1858.

IntroducedIllustrated
Synonyms: Lactuca stolonifera (A. Gray) Bentham ex Maximowicz
Treatment appears in FNA Volume 19. Treatment on page 254.

Plants stoloniferous. Aerial stems ± scapiform. Leaf blades 5–30+ × 5–30+ mm, margins often with 1(–2), ± retrorse teeth near bases. Peduncles (1–)5–15+ cm. Involucres 8–10 mm. Cypselae 6 mm; pappi 4–7 mm. 2n = 16, 24.


Phenology: Flowering Jun–Aug.
Habitat: Disturbed sites
Elevation: 0–100 m

Distribution

V19-336-distribution-map.gif

Introduced; Del., N.J., N.Y., Pa., Asia (Japan).

Discussion

The combination Lactuca stolonifera has been mistakenly attributed to “(A. Gray) Bentham & Hooker f.”

Selected References

None.

Lower Taxa

None.