Pests

Canada thistle (Cirsium arvense) is an aggresive, creeping perennial weed.

(Carduus nutans) is a member of the sunflower family Asteraceae.

A perennial species in the Aster family.

(Ambrosia grayi)

(Aegilops cylindrica) It is so closely related to wheat that both species can interbreed. 

(Centaurea maculosa) an annual or short-lived perennial that reproduces solely from seed. 

(Acroptilon repens) is a creeping, herbaceous perennial of foreign origin that reproduces from seed and vegetative root buds. 

Absorbs large amounts of water and creates large deposits of salt. 

(Cardaria draba) also known as whitetops) was introduced to the U.S. from Europe late in the 19th century. 

Dalmatian toadflax, Linaria dalmatica (L.) Mill. (Scrophulariaceae), is a plant native from central Europe east to central Asia. 

Camelthorn species have proportionally the deepest root system of any plants - a 1 m high shrub may have a main root more than 15 m long.

The ridged stem has many branches, and is leafy below. They generally wither by flowering.

The plant ranges from 8 inches to 16 inche. Its petal-like bracts are usually green-yellow, maturing to purple or red from May to August.

(Isatis tinctoria) is a flowering plant in the family Brassicaceae.

(Brassica elongata) Elongata has been able to disrupt the ecosystems of their native plant habitats and has been label as an invasive species. 

(Butomus)  is the only known genus in the plant family Butomaceae.  It is considered invasive.

(Arundo donax) grows in damp soils, either fresh or moderately saline. 

It is a free floating plant that does not attach to the soil, but instead remains buoyant on the surface of a body of water. 

(Epilobium hirtigerum) is a species in the family Onagraceae.

Hydrilla has a high resistance to salinity compared to many other freshwater associated aquatic plants.

(Salvia aethiopis) is a species of perennial plant.  It is unpalatable to livestock, and it becomes a physical nuisance due the similarity of the persistent dried stems to tumbleweed.

This succulent resembles the head of Medusa, with many serpent-like stems arising from a short, central caudex.

 (Euphorbia myrsinites) is a succulent species of the spurge.

(Pilosella aurantiaca)  is a perennial flowering plant in the daisy family Asteraceae. 

Parrot feather is a perennial plant. Parrot feather gets its name from its feather-like leaves that are arranged around the stem in whorls of four to six.

(Lythrum salicaria) is a herbaceous perennial plant, forming clonal colonies 1.5 m or more in width with numerous erect stems growing from a single woody root mass.

It is a thin, spindly plant which reaches a meter in height. It starts from a basal rosette of leaves and branches extensively, often forming a weedy thicket.

Squarrose knapwwed, plants are taprooted perennials and may reach a height of 36 inches.

Tansy ragwort is a very common wild flower in the family Asteraceae.