As befits its weedy life history, amaranth grains grow very rapidly and their large seedheads can weigh up to 1 kilogram and contain a half-million seeds in three species of amaranth.

When intervals between fires drop below 10 to 15 years, many chaparral species are eliminated and the system is typically replaced by non-native, invasive, weedy grassland.

There are also 134 species of plants classified as " weedy " or " naturalised alien species ", being those unintentionally introduced by man, or intentionally introduced as ornamentals or crop plants which have now " gone native ", including 32 new species recorded since 1995, indicating a very rapid rate of introduction.

He also concluded there is little support to treat C. ruderalis as a separate species from C. sativa at this time, but more research on wild and weedy populations is needed because they were underrepresented in their collection.

A number of species are also weedy pests in different parts of the world, including: Cytisus scoparius ( broom ), Ulex europaeus ( gorse ), Pueraria lobata ( kudzu ), and a number of Lupinus species.

The rather weedy species has generally been superseded by improved cultivars.

Lake fishing for pike from the shore is especially effective during springtime, at which stage the big pike move into the shallows to spawn in weedy areas, and later many remain there to feed on other spawning coarse fish species to regain their condition after spawning.

Most of the species from this genus are considered less difficult in cultivation than plants from the genus Dracula, and some of them are very easy to cultivate and have a ' weedy ' habit such as Veitch's Masdevallia, but the majority of these species are usually very difficult to maintain in cultivation unless the plants can be kept cool and moist all the time.

Pied Currawongs have been responsible for the spread of the invasive ornamental Asparagus aethiopicus ( often called A. densiflorus ) in the Sydney area, the weedy privet species Ligustrum lucidum and L. sinense, and firethorn species Pyracantha angustifolia and P. rogersiana around Armidale.

Some species are closely associated with dense mats of sargassum, a particularly ubiquitous " sea weed "; these filefish, notably the planehead filefish ( Stephanolepis hispidus ) are also coloured and patterned to match their weedy environments.

The Portsea Pier is the home to the spectacular weedy sea dragon, as well as many other fish species, including numerous pufferfish.

Indeed, they are a major dispersal agent for a number of weedy plants, such as camphor laurel, the European olive and various species of privet.

A related species is the weedy seadragon, which is multi-coloured and grows weed-like fins but is smaller than the leafy seadragon.

Today the designation is less often used as a classification of plant life, since it includes three different types of plants: weedy species, invasive species ( that may or may not be weedy ), and native and introduced non-weedy species that are agriculturally undesirable.

Brassica nigra ( black mustard ) ( Sanskrit: र ा जक ् षवक, rajakshavak ; Marathi: क ा ळ ी म ो हर ी, Kali Mohari ) is an annual weedy plant cultivated for its seeds, which are commonly used as a spice.

The flier ( Centrarchus macropterus ) is a sunfish ( family Centrarchidae ) native to muddy-bottomed swamps, ponds, weedy lakes, and riverine backwaters across the American South, from southern Illinois east to the Potomac River basin and south to Texas.

Syngnathidae is a family of fish which includes the seahorses, the pipefishes, and the weedy and leafy sea dragons.

In this installment, a plant enthusiast named Wendell ( from " Hyde and Go Shriek ") falls for Rose, a new girl at school with a rather " weedy " family secret.

Other members of the family Amaranthaceae that form tumbleweeds include Amaranthus albus, native to Central America but introduced and weedy in Europe, Asia, and Australia ; Amaranthus graecizans naturalized to North America from its native Africa ; Amaranthus retroflexus ; Corispermum hyssopifolium ; Kochia ; and Cycloloma atriplicifolium, which is called the plains tumbleweed.

Shahak was liberated from the camp in 1945, and shortly thereafter emigrated to the British Mandate of Palestine, where he wanted to join a kibbutz, but was turned down as " too weedy ".

The uncharted island was described as " a coast-line of mingled mud, ooze, and weedy Cyclopean masonry which can be nothing less the tangible substance of earth's supreme terror — the nightmare corpse-city of R ' lyeh.

And one was there, a stripling on a small and weedy beast,

In the earlier editions of Viz, Biffa's violence was directed against the weedy Cedric Soft, ( a parody of Dennis The Menace's rivalry with Walter The Softy in The Beano ) but over the years the focus has changed and now the strip almost exclusively focuses on Biffa's abuse at the hands of his parents.

Elisha Vanslyck Cook, Jr. ( December 26, 1903 – May 18, 1995 ) was an American character actor who made a career out of playing cowardly villains and weedy neurotics in dozens of films.

The cemetery had lots of trees in it, pecans and oaks, and it was weedy too .”

A report in 1939 records that the canal was weedy throughout its entire length.

The species was introduced into the Western horticulture as an ornamental, and in the United States became naturalized and established in a widespread area, and may be considered weedy or invasive.

The Thicktail chub ( Gila crassicauda ) was a type of minnow that inhabited the lowlands and weedy backwaters of the Sacramento and San Joaquin Rivers in the Central Valley of California.

Norwegian sailor Gustaf Johansen, the narrator of one of the tales in the short story, describes the accidental discovery of the city: " a coast-line of mingled mud, ooze, and weedy Cyclopean masonry which can be nothing less than the tangible substance of earth's supreme terror — the nightmare corpse-city of R ' lyeh ... loathsomely redolent of spheres and dimensions apart from ours ".

But still so slight and weedy, one would doubt his power to stay,

Knapweeds are robust weedy plants.

A string trimmer, also known as a weedwacker, edgetrimmer, strimmer, line trimmer, snipperwhipper, weed whacker, weed whip, weed eater, weedy, or whipper snipper, is a powered handheld device that uses a flexible monofilament line instead of a blade for cutting grass and other plants near objects.

These are annual or perennial plants, growing in tufts on weedy and uncultivated areas.

Rockman and Ward portray the future as abundant with plants and animals, but they are descendants of weedy species or feral domestics.

Pigweed can mean any of a number of weedy plants which may be used as pig fodder:

Claw types have difficulty penetrating weedy bottoms and grass.

The Yellow-billed Magpie prefers groves of tall trees along rivers and near open areas, though in some cities they have begun to nest in vacant lots and other weedy places.

The weedy types have often lost the characteristic shiso fragrance and are not suited for eating ( cf.

Orks prefer close combat weapons as they are represented in-game as being terrible marksmen, which they compensate for by building comically powerful guns, which are often manned, again for humorous effect, by the weedy Grots or Gretchin who have are portrayed as being slightly better handlers of ballistic weapons than their bigger cousins, having a similar proficiency as an average human soldier ( Imperial Guardsman ) or Eldar militiaman ( Guardian ).

Adult weedy seadragons are a reddish colour, with yellow and purple markings ; they have small leaf-like appendages that provide camouflage and a number of short spines for protection.

The Aquarium of the Pacific in Long Beach, California and the Tennessee Aquarium in Chattanooga, Tennessee in the USA ; and the Melbourne Aquarium in Melbourne, Australia are among the few facilities in the world to have successfully bred weedy seadragons in captivity, though others occasionally report egg laying.