iNaturalist is a citizen science project and online social network of naturalists, citizen scientists, and biologists built on the concept of mapping and sharing observations of biodiversity across the globe. iNaturalist may be accessed via its website or from its mobile applications.
Lespedeza cuneata is a species of flowering plant in the legume family known by the common names Chinese bushclover and sericea lespedeza, or just sericea. It is native to Asia and eastern Australia and it is present elsewhere as an introduced species and sometimes an invasive plant.
Erigeron canadensis (synonym Conyza canadensis) is an annual plant native throughout most of North America and Central America. It is also widely naturalized in Eurasia and Australia. Common names include horseweed, Canadian horseweed, Canadian fleabane, coltstail, marestail, and butterweed. It was the first weed to have developed glyphosate resistance, reported in 2001 from Delaware.
Gamochaeta pensylvanica, called Pennsylvania cudweed or Pennsylvania everlasting, is a widespread species of flowering plant in the sunflower family. It is native to South America and introduced into Eurasia, Africa, Australia, and North America. The pensylvanica epithet is a misnomer, as the plant is not native to Pennsylvania and only marginally naturalized there.
Acalypha rhomboidea (common three-seeded mercury, rhombic three-seeded-mercury, rhomboid mercury, copperleaf, rhombic copper-leaf, three-seeded-mercury, ricinelle rhomboide, diamond threeseed mercury; syn. Acalypha urticifolia Raf., Acalypha virginica L. forma intermedia Millsp., Acalypha virginica L. var. rhombifolia Riddell, Acalypha virginica L. var. rhomboidea (Raf.) Cooperr.
Eleusine indica, the Indian goosegrass, yard-grass, goosegrass, wiregrass, or crowfootgrass, is a species of grass in the family Poaceae. It is a small annual grass distributed throughout the warmer areas of the world to about 50 degrees latitude. It is an invasive species in some areas.
Cynodon dactylon, also known as Vilfa stellata dลซrvฤ grass, Dhoob, Bermuda grass, dubo, dog’s tooth grass, Bahama grass, devil’s grass, couch grass, Indian doab, arugampul, grama, wiregrass and scutch grass, is a grass that originated in the Middle East. Although it is not native to Bermuda, it is an abundant invasive species there. It is
Amaranthus retroflexus is a species of flowering plant in the Amaranthaceae family with several common names, including red-root amaranth, redroot pigweed, red-rooted pigweed, common amaranth, pigweed amaranth, and common tumbleweed.
Plantago rugelii is a species of flowering plant in the plantain family, Plantaginaceae. It is native to North America, where it occurs in eastern Canada and the central and eastern United States. Its common names include American plantain, blackseed plantain, pale plantain, and Rugel’s plantain. The generic name Plantago is from the Latin planta (“footprint”) and the species name rugelii honors Ferdinand Ignatius Xavier Rugel (1806-1
Persicaria longiseta is a species of flowering plant in the knotweed family known by the common names Oriental lady’s thumb, bristly lady’s thumb, Asiatic smartweed, long-bristled smartweed, Asiatic waterpepper, bristled knotweed, bunchy knotweed, and tufted knotweed. It is native to Asia (China, India, Russia, Japan, Malaysia, etc.), and it is present in North America and Europe as an introduced species and often a weed.
Oxalis stricta, called the common yellow woodsorrel (or simply yellow woodsorrel), common yellow oxalis, upright yellow-sorrel, lemon clover, or more ambiguously and informally “sourgrass” or “pickle plant”, is a herbaceous plant native to North America, parts of Eurasia, and has a rare introduction in Britain. It tends to grow in woodlands, meadows, and in disturbed areas as both a perennial and annual. Erect when young, this plant later be
Monotropa uniflora, also known as ghost plant (or ghost pipe), Indian pipe or corpse plant, is a herbaceous perennial plant native to temperate regions of Udmurtiya in European Russia, Asia, North America and northern South America, but with large gaps between areas. It was formerly classified in the family Monotropaceae; however, it has now been included within the Ericaceae. It is generally scarce or rare in occurrence.