Cow Wheat – Mature Plant
Cow Wheat Melampyrum lineare Desr. A small, erect, reddish annual with loosely branching stems generally <30 cm tall. Stems are square in cross section and slightly hairy . Upper leaves are long and narrow with one or two 'teeth' at the base. Flowers have a white...
Cow Wheat – Seedling
Cow Wheat Melampyrum lineare Desr. A small, erect, reddish annual with loosely branching stems generally <30 cm tall. Stems are square in cross section and slightly hairy . Upper leaves are long and narrow with one or two 'teeth' at the base. Flowers have a white...
Corn Spurry – Leaves
Corn Spurry Spergula arvensis L. Slender, trailing annual with many stems originating from the base. Leaves are very narrow, bright green, sometimes slightly sticky and 2.0 to 5.0 cm long. Paired leaves are opposite and occur in whorl-like clusters of 6 to 30 at the...
Corn Spurry – Flower
Corn Spurry Spergula arvensis L. Slender, trailing annual with many stems originating from the base. Leaves are very narrow, bright green, sometimes slightly sticky and 2.0 to 5.0 cm long. Paired leaves are opposite and occur in whorl-like clusters of 6 to 30 at the...
Corn Spurry – Mature Plant
Corn Spurry Spergula arvensis L. Slender, trailing annual with many stems originating from the base. Leaves are very narrow, bright green, sometimes slightly sticky and 2.0 to 5.0 cm long. Paired leaves are opposite and occur in whorl-like clusters of 6 to 30 at the...
Corn Spurry – Young Plant
Corn Spurry Spergula arvensis L. Slender, trailing annual with many stems originating from the base. Leaves are very narrow, bright green, sometimes slightly sticky and 2.0 to 5.0 cm long. Paired leaves are opposite and occur in whorl-like clusters of 6 to 30 at the...
Canada Fleabane – Leaf
Canada Fleabane Conzya canadensis (L.) Cronq. An erect annual or winter annual ranging from 0.1 to 1.5 m tall. Leaves are alternate, narrow and 2.0 to 10 cm long. Main stems are usually unbranched and coarsely hairy. Numerous, small flowers (<5.0 mm diameter) are...
Canada Fleabane – Fruiting Heads
Canada Fleabane Conzya canadensis (L.) Cronq. An erect annual or winter annual ranging from 0.1 to 1.5 m tall. Leaves are alternate, narrow and 2.0 to 10 cm long. Main stems are usually unbranched and coarsely hairy. Numerous, small flowers (<5.0 mm diameter) are...
Canada Fleabane – Flowering Heads
Canada Fleabane Conzya canadensis (L.) Cronq. An erect annual or winter annual ranging from 0.1 to 1.5 m tall. Leaves are alternate, narrow and 2.0 to 10 cm long. Main stems are usually unbranched and coarsely hairy. Numerous, small flowers (<5.0 mm diameter) are...
Canada Fleabane – Hairy Stem
Canada Fleabane Conzya canadensis (L.) Cronq. An erect annual or winter annual ranging from 0.1 to 1.5 m tall. Leaves are alternate, narrow and 2.0 to 10 cm long. Main stems are usually unbranched and coarsely hairy. Numerous, small flowers (<5.0 mm diameter) are...
Canada Fleabane – Mature Plant
Canada Fleabane Conzya canadensis (L.) Cronq. An erect annual or winter annual ranging from 0.1 to 1.5 m tall. Leaves are alternate, narrow and 2.0 to 10 cm long. Main stems are usually unbranched and coarsely hairy. Numerous, small flowers (<5.0 mm diameter) are...
Arrow-Leaved Smartweed – Leaf
Arrow-Leaved Smartweed Polygonum sagittalum L. A slender trailing or climbing annual of wet soils with stems 1.0 to 2.0 m long. Leaves are opposite, elongated, and arrow-head shaped. Stems have rows of downwardly curved bristles, and swollen nodes with a thin, papery...
Arrow-Leaved Smartweed – Downward Bristles
Arrow-Leaved Smartweed Polygonum sagittalum L. A slender trailing or climbing annual of wet soils with stems 1.0 to 2.0 m long. Leaves are opposite, elongated, and arrow-head shaped. Stems have rows of downwardly curved bristles, and swollen nodes with a thin, papery...
Arrow-Leaved Smartweed – Flower Cluster
Arrow-Leaved Smartweed Polygonum sagittalum L. A slender trailing or climbing annual of wet soils with stems 1.0 to 2.0 m long. Leaves are opposite, elongated, and arrow-head shaped. Stems have rows of downwardly curved bristles, and swollen nodes with a thin, papery...
Arrow-Leaved Smartweed – Mature Plant
Arrow-leaved Smartweed Polygonum sagittalum L. A slender trailing or climbing annual of wet soils with stems 1.0 to 2.0 m long. Leaves are opposite, elongated, and arrow-head shaped. Stems have rows of downwardly curved bristles, and swollen nodes with a thin, papery...













