Iva annua L. – Annual Marshelder, Sumpweed Family – Asteraceae Stems: Leaves: Inflorescence: Involucre: N/A Ray flowers: Absent. Disk flowers: Flowering – June – November. Habitat – Alluvial ground, roadsides, railroads, ditches. Origin – Native to North America. Other information – This weedy species can be found throughout Alabama and is probably forund in every … Read more
Trillium grandiflorum (Michx.) Salisbury – Large-flowered Trillium Family – Liliaceae Stems: N/A Leaves: N/A Inflorescence: N/A Flowers: Old flower. Young flower. Flowering – April – May. Habitat – Rich wooded slopes, typically on basic soils. Origin – Native to North America. Other information – This species has only been reported in one Alabama county. The … Read more
Microstegium vimineum (Trin.) A Camus – Eulalia Family – Poaceae Stems: Leaves: Arrow shows ligule. Inflorescence: N/A Flowers: Flowering – September – November. Habitat – Bottomland forests, marshes, dithces, creek banks. Origin – Native to southern Asia. Other information – This introduced weed can be found mainly in the northern portions of Alabama but will … Read more
Orontium aquaticum L. – Golden Club Family – Araceae Stems: N/A Leaves: Inflorescence: Flowers: Flowering – February – April. Habitat – Swamps, shallow streams, ponds. Origin – Native to North America. Other information – This attractive and unique species can be found scattered throughout Alabama wherever suitable habitat occurs. The bright yellow flower stalks combined … Read more
Polygala mariana P. Miller – Maryland Milkwort Family – Polygalaceae Stems: Leaves: Inflorescence: Note the naked inflorescence rachis. Flowers: Flowering – June – October. Habitat – Open wet areas, ditches, pine savannahs. Origin – Native to North America. Other information – This species is scattered mainly throughout southern Alabama. The plant can be identified by … Read more
Helianthus radula (Pursh) T. & G. – Stiff Sunflower Family – Asteraceae Stems: Pubescence of the flowering scape. Leaves: Basal leaves. Inflorescence: N/A Involucre: Ray flowers: Absent. Disk flowers: Fruiting head. Flowering – August – October. Habitat – Wet flatwoods, savannahs, pine barrens. Origin – Native to North America. Other information – This species can … Read more
Ageratina aromatica (L.) Spach – Lesser Snakeroot Family – Asteraceae Stems: Leaves: Inflorescence: Involucre: Ray flowers: Absent. Disk flowers: Flowering – August – November. Habitat – Pine flatwoods, sandhills, hammocks, old fields. Origin – Native to North America. Other information – This species can be found infrequently scattered throughout Alabama. The plant can be identified … Read more
Cyclospermum leptophyllum (Pers.) Sprague ex Britton & P. Wilson – Marsh Parsley Family – Apiaceae Stems: Leaves: Inflorescence: N/A Flowers: Flowering – March – June. Habitat – Sandy waste places, roadsides, disturbed sites. Origin – Native to tropical America. Other information – This species can be found scattered throughout Alabama. The plant is easy to … Read more
Cabomba caroliniana A. Gray – Carolina Fanwort Family – Cabombaceae Stems: N/A Leaves: Inflorescence: N/A Flowers: Flowering – May – September. Habitat – Ponds, lakes, sluggish streams. Origin – Native to North America. Other information – This aquatic species can be found in a handful of scattered Alabama counties and is probably more common than … Read more
Barbarea verna (Mill.) Ascherson – Winter Cress, Yellow Rocket Family – Brassicaceae Stems: Leaves: Basal leaves. Cauline leaves. Inflorescence: N/A Flowers: Flowering – March – June. Habitat – Disturbed sites, roadsides, railroads, waste ground. Origin – Native to Europe. Other information – This introduced species can be found mainly in the eastern portion of the … Read more