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About 3,800 additional non-native species of vascular plants are recorded as established outside of cultivation in the U.S., as well as a much smaller number of non-native non-vascular plants and plant relatives. The United States possesses one of the most diverse temperate floras in the world, comparable only to that of China.
The good news for the milkvetch plant is that they usually need wildfire to sprout — meaning dormant seeds now have a massive new habitat for a new crop of the rare shrub.
Aconitum columbianum is a species of flowering plant in the buttercup family known by the common names Columbian monkshood or western monkshood. This wildflower is native to western North America where it grows in riparian and other moist areas, in meadows and coniferous forests. It is found from 600–2,900 metres (2,000–9,500 ft) in ...
A honey bee collecting nectar from an apricot flower.. The nectar resource in a given area depends on the kinds of flowering plants present and their blooming periods. Which kinds grow in an area depends on soil texture, soil pH, soil drainage, daily maximum and minimum temperatures, precipitation, extreme minimum winter temperature, and growing degre
Ammonia from plants built during World War II to make explosives became available for making fertilizers, leading to a permanent decline in real fertilizer prices and expanded use. [95] The early 1950s was the peak period for tractor sales in the U.S. as the few remaining mules and work horses were sold for dog food.
Garden plants originally native to Central America — a subregion of Southern America. Pages in category "Garden plants of Central America" The following 38 pages are in this category, out of 38 total.
Veronica americana, variously called American brooklime [2] or American speedwell, [2] [3] is a plant native to temperate and arctic Asia and North America [2] where it grows in streams and bottomlands. It is a herbaceous perennial with glabrous stems 10–100 cm long that bear terminal or axillary racemes or spikes of soft violet flowers.
Sanderson believed these Suriname giants were the most massive plants on earth. [3] He saw one vine that was two feet (61 cm) wide while being only 3/4th inch (1.8 cm) thick. [4] Thus the common name. Philodendron sp. (probably Philodendron cordatum) . Native to Central America. This one in Amherst, Massachusetts. 1,114 feet (340 meters) in 1984.