Georg Ludwig Koeler

Ventenata is a genus of plants in the grass family, native to Europe, North Africa, and central + southwest Asia. One species, Ventenata dubia, is considered an invasive weed in many places. Species Ventenata blanchei Boiss. - Lebanon, Syria, Palestine, Jordan, Israel Ventenata dubia (Leers) Coss. & Durieu - central Europe, Mediterranean, Ukraine, southern European Russia, Caucasus, Turkey, Kazakhstan; naturalized in parts of North America Ventenata eigiana (H.Scholz & Raus) Dogan - Turkey Ventenata huber-morathii (Dogan) D.Heller - Turkey Ventenata macra (Steven) Balansa ex Boiss. - Greece,

Calamagrostis stricta, known as slim-stem small reed grass or narrow small-reed, is a species of bunchgrass in the family Poaceae of the Holarctic Kingdom.

Digitaria ciliaris is a species of grass known by the common names southern crabgrass, tropical finger-grass, tropical crabgrass or summer grass. The grass is known as "ගුරු තණ - guru thana" in Sri Lanka.

Calamagrostis pseudophragmites is a species of grass in the genus Calamagrostis and the family Poaceae. It occurs along water, canals and rivers in Europe. It is a perennial species, blooming in June and July. The stem is smooth and less hairy than the other species in the genus. This grass species grows up to 1.2 meters high, the leaves are approximately 6 mm wide/broad, and roll in their edges/margin. The spikelets in the over-hanging panicle are coloured violet, and the lower bract has a needle on it. The sepals/bracts are longer than those of the spikelets.

Digitaria filiformis, commonly known as slender crabgrass, is a tufted annual grass in the family Poaceae native to North America.

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