Sphagneticola O. Hoffm.
New World tropics and subtropics
Sphagneticola calendulacea (L.) Pruski
S. trilobata (L.C. Rich.) Pruski
introduced into the southeastern United States and the Old World
can be weedy
creeping, mat-forming herb
Stem creeping to ascending, round, short, strigose or hirsute to subglabrous, rooting at nodes. Leaves opposite; sessile or petiolate; leaf blade lanceolate to obovate, often with 3 triangular lobes, fleshy, glabrous; apex acute; base cuneate; margin irregularly toothed; venation pinnate. Inflorescence axillary, of radiate flower heads; pedunculate; involucre campanulate-hemispherical; phyllaries lanceolate; ray florets fertile, often 8-13 per head, 2-4 denticulate; disk florets fertile, pappus a crown of short fimbriate scales; yellow-orange. Achenes clavate, brown; tuberculate; pappus of fused scales, crown-shaped.
very wide ecological tolerance range; equally suited to dry and moist sites, and often found in littoral areas
Sphagneticola contains five species, of which none are truly aquatic. Sphagneticola trilobata is capable of surviving and thriving in wet habitats, and although it isn’t a true aquatic plant, it is marketed as an ornamental ground cover, and as a pond, bog, and riparium plant.