Mouse-ear chickweed
Botanical name: Cerastium
Mouse-ear chickweed
Botanical name: Cerastium
Description
Found in temperate regions worldwide, mouse-ear chickweed are tough, prolific, flowering perennials with petals that slightly resemble mouse ears in shape. Some are available to grow in a garden, but beware--they can quickly become weedy if not carefully controlled (some species are classified as invasive weeds). One species is one of the few sources of food for the Coleophora moth. 
Species of Mouse-ear chickweed
Cerastium morrisonense
Found in temperate regions worldwide, cerastium morrisonense are tough, prolific, flowering perennials with petals that slightly resemble mouse ears in shape. Some are available to grow in a garden, but beware--they can quickly become weedy if not carefully controlled (some species are classified as invasive weeds). One species is one of the few sources of food for the Coleophora moth.
Alpine mouse-ear
The alpine mouse-ear was first identified by the botanist Carl Linnaeus in 1753. It grows in mats throughout cold tundra and heath environments. Luckily, it's also easy to cultivate, so it is sometimes used in garden rockeries.
Fivestamen chickweed
The sand-hornwort grows as a one to two-year herbaceous plant and reaches stature heights of 1 to 20 centimeters. The aboveground plant parts are from yellow to grass-green color. It has short (up to 0.3 mm long), mostly glandular trichomes. There are no non-flowering shoots.
Mouse ear chickweed
Mouse ear chickweed (Cerastium fontanum) is a perennial flowering plant native to Europe, most commonly in Great Britain and Ireland. Mouse ear chickweed is commonly seen naturally growing alongside roadsides and adjacent grasslands. The specific epithet "fontanum" from its scientific name means "fountain", naming after their preference of damping soil and streamsides.
Snow-in-summer
A beautiful and easy to grow ground cover, snow-in-summer or Cerastium tomentosum makes for a great addition to your yard. Silvery gray mounds of foliage yield prolific white flowers, so much so that each mound looks like a pile of snow. This member of the carnation family is drought and deer resistant.
Field chickweed
Field chickweed (*Cerastium arvense*) is an herbaceous perennial whose genus name comes from the Greek word "keras", which means "horn." That's because its seed capsule is slightly bent like a cow's horn.
Gray chickweed
The bearded hornwort grows as a one to two year herbaceous plant and reaches stature heights of about 5 to 30 cm. The aboveground plant parts are of gray-green color. The trichomes are gray and quite long. The whole plant can also be glandular hairy. The opposite leaves are oblong-ovate, the lower narrowed in the petiole.
Starwort chickweed
The Dreigriffelige Hornkraut is a loosely growing creeping to ascending perennial herbaceous plant that reaches stature heights of 5 to 15 centimeters. The opposite leaves are up to 10 millimeters long lanceolate plump and bald. The flowering period is summer.
Sticky chickweed
Sticky chickweed is a weedy annual found in many different habitats. It often grows in disturbed and well-drained soils. Sticky chickweed flowers in spring but dies back as the summer months heat up. A single stalk may bloom as many as 50 flowers at a time.
Cerastium pauciflorum
Found in temperate regions worldwide, cerastium pauciflorum are tough, prolific, flowering perennials with petals that slightly resemble mouse ears in shape. Some are available to grow in a garden, but beware--they can quickly become weedy if not carefully controlled (some species are classified as invasive weeds). One species is one of the few sources of food for the Coleophora moth.
Cerastium nemorale
Found in temperate regions worldwide, cerastium nemorale are tough, prolific, flowering perennials with petals that slightly resemble mouse ears in shape. Some are available to grow in a garden, but beware--they can quickly become weedy if not carefully controlled (some species are classified as invasive weeds). One species is one of the few sources of food for the Coleophora moth.
Scientific Classification
Phylum
Vascular plants Class
Dicotyledons Order
Pinks, cacti, and allies Family
Pink Genus
Mouse-ear chickweed 
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