කුරු කුඩා තණ [Kuru Kuda Tana] (Apluda mutica)

Common native rambling perennial occurs along roadsides and forest margins from sea level to about 2000 m elevations. 

වැල් කහඹිලියා [Wel kahabiliya]/Indian Stinging Nettle (Tragia involucrata)

An indigenous perennial twining herb with stinging hairs. A weed of cultivation and waste grounds.  

Oplismenus compositus

Common native perennial grows in shady habitats from sea level to over 1800 m a.s.l. 

Common Small Flat (Sarangesa dasahara albicilia)

Seasonally common insect flies mainly in the southeastern dry zone jungles up to 800 m a.s.l. Its main flight season is from April to June. Since it remains in a relatively small area for much of its life, Common Small Flat often seen flying in same locality day after day. Its larva feeds on  Lepidagathis fasciculata, Lepidagathis ceylanica and Lepidagathis walkeriana  leaves.

රත් තණ[Rat Tana] (Ischaemum ciliare [Syn: Ischaemum indicum])

Common native perennial of open areas, grassy glades in the lowland forests, roadsides, ditch banks, pond margins, lawns and in patana grasslands of the hills from lowlands to 2300 m elevations. 

දිය තණ[Diya tana] (Urochloa mutica [Syn: Brachiaria mutica])

An introduced perennial forming dense colonies in marshes, wet pastures, stream margins, tank edges and paddy fields from sea level to about 800 m elevations. 

Zornia gibbosa

Common native herb found in lawns and among short vegetation in the dry zone.

Flower size - 1-1.2 cm long

අද්දුල[Addula] (Ehretia aspera [Syn: Ehretia laevis])

An indigenous shrub or small tree common in forests, forest borders and roadsides of the dry zone.
Flower size - About 0.4 cm across

Cardiospermum grandiflorum

An introduced climbing herb native to the tropical America. Naturalized along forest margins and roadsides in Anuradhapura and Mathale districts. 

Stenotaphrum dimidiatum

Common native grass species occurs often in shades of trees along coast and inland at low to medium elevations. 

නයාදැස්ස[Nayadessa] (Eurya nitida)

Rather uncommon native shrub along submontane forest edges of the wet zone from 425 to 2100 m elevations. Flowering and fruiting from September to March.

Flower Size - 0.3-0.4 cm across

ඇපල[Epala] (Triumfetta rhomboidea)

Common native herb grows as a weed along roadsides and other ruderal areas.

Utricularia scandens

An indigenous terrestrial herb of bogs and wet grasslands from near sea level to 1100 m a.s.l. Flowering from December to March.

Indian Comet Grass (Paspalum sumatrense [Perotis indica])

 An indigenous annual or short-lived perennial widespread in open areas of forests and grasslands, roadsides and sandy soils near coast in both wet and dry zones from sea level to about 200 m a.s.l. 

Polygala chinensis

Common native prostrate herb occurs among grassy patches or sandy soil in the dry lowlands.
Flower size - 0.5 cm across

හක් ඇඹල[Hak Ambala]/Fringed begonia (Begonia hirtella)

An introduced herb native to tropical America. Escaped and naturalized widely in humid shady places of the wet mid country. Flowering all the year round.  

Zehneria thwaitesii [Syn: Neoachmandra deltoidea]

An indigenous slender climber with tendrils occurs in wet forests up to 1800 m elevations. 

Ischaemum barbatum

Common native grass of patanas, grassy stream banks and roadsides, pastures, lawns, pond margins etc. from seal level to 1900 m elevations. 

Utricularia hirta

Critically endangered, native terrestrial herb of damp or wet open grassy places in the wet lower hill country up to 900 m a.s.l. Flowering in February.  Utricularia hirta is the only Sri Lankan Utricularia species with hairs on the peduncle and on the inflorescence calyx.

Cyperus platyphyllus

Rather rare indigenous perennial growing in large tufts in marshy places of low altitudes.