(Bischofia javanica) Family: Phyllanthaceae Description: Large tree up to 60ft tall with shady oval crown and deep green foliage Leaves are comprised of 3 leaflets, 4-6in long Greenish-yellow flowers in clusters with round fruit growing in large clusters Native to India, China, and Malaysia Harm: Invades undisturbed forest, forming dense shade and crowding out native […]

(Pennisetum villosum) Family: Poaceae Description: Perennial clumping grass Grows up to 3’ tall The leaf blades are flat and light green The stems are round with distinctive feathery seed-heads that can grow 2-5 inches long and can be spread by the wind The inflorescence is a panicle of clustered spikelets surrounded by white bristles Native […]

aka Madagascar ragwort (Senecio madagascariensis) Family: Asteraceae Considered very invasive and is on the Hawaii State Noxious Weed List. Description: Daisy-like herb that grows upright and branched, up to 50 cm (20 in) high. Yellow flowers each have 13 petals and look like small daisies about the size of a dime. Flowers mature into white […]

(Pennisetum setaceum) Family: Poaceae Poses a major fire threat to many of Hawaii’s natural and developed areas and has been designated a noxious weed by the Hawaii Department of Agriculture. The Division of Forestry and Wildlife of the Hawaii Department of Land and Natural Resources has designated fountain grass as one of Hawaii’s Most Invasive […]

(Chamaeleo jacksonii) It is illegal to transport these animals between islands or to commercially export to the mainland. Penalties can include a fine of up to $200,000 and a possible prison sentence. The Hawaii Department of Agriculture has an amnesty program allowing a person to turn in an illegal animal without prosecution. Call KISC for […]

(Cortaderia jubata, Cortaderia selloana) Family: Poaceae Considered very invasive and is on the Hawaii State Noxious Weed List. The Division of Forestry and Wildlife of the Hawaii Department of Land and Natural Resources has designated this species as one of Hawaii’s Most Invasive Horticultural Plants. Description: Large clumping grass that may reach 2 meters (6 […]

(Cryptostegia grandiflora and C. madagascariensis) Family: Asclepidaceae Description: Fast growing, climbing plant usually with pinkish-purple flowers (sometimes white to pink or light purple). Can also grow as a bush. Shiny, dark green leaves that are about 7 cm (3 in) long, with triangular, 10 cm long (4 in) seedpods that grow in wing-like pairs. Native […]

aka Princess Vine (Cissus verticillata) Family: Vitaceae Description: Woody vine with thick, tough and flexible stems Leaves have large variations, they can be oblong or rounded, coarsely or finely serrated and are 1-6in long Firm tendrils grow opposite of the leaves Small yellow or green flowers grow in clusters, round fruit is black when mature […]

(Morella cerifera) Family: Myricaceae Description: Evergreen shrub or small tree growing up to 35ft Multiple crooked trunks are covered in smooth, grayish bark Olive green leaves are 3in long with serrated edges growing in an alternate pattern Small grayish-white flowers, small grayish-blue fruit grow in clusters along the twigs Native to coastal southeastern United States. […]