What is "bellis perennis"

Marguerite \Mar"gue*rite\, n. [F., a pearl, a daisy. See Margarite.] (Bot.) The daisy ( Bellis perennis). The name is often applied also to the ox-eye daisy and to the China aster.
--Longfellow.

Daisy \Dai"sy\ (d[=a]"z[y^]), n.; pl. Daisies (d[=a]"z[i^]z). [OE. dayesye, AS. d[ae]ges-e['a]ge day's eye, daisy. See Day, and Eye.] (Bot.)

1. A genus of low herbs ( Bellis), belonging to the family Composit[ae]. The common English and classical daisy is Bellis perennis, which has a yellow disk and white or pinkish rays.

2. The whiteweed ( Chrysanthemum Leucanthemum), the plant commonly called daisy in North America; -- called also oxeye daisy. See Whiteweed.

   Note: The word daisy is also used for composite plants of other genera, as Erigeron, or fleabane.

   Michaelmas daisy (Bot.), any plant of the genus Aster, of which there are many species.

   Oxeye daisy (Bot.), the whiteweed. See Daisy (b) .

Bellis perennis is a common European species of daisy, of the Asteraceae family, often considered the archetypal species of that name.

Many related plants also share the name "daisy", so to distinguish this species from other daisies it is sometimes qualified as common daisy, lawn daisy or English daisy. Historically, it has also been commonly known as bruisewort and occasionally woundwort (although the common name woundwort is now more closely associated with Stachys (woundworts)). Bellis perennis is native to western, central and northern Europe, but widely naturalised in most temperate regions including the Americas and Australasia.