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What are the differences between Barnyard Grass (Paspalum erythrostictum), Striped Barnyard Grass (Paspalum erythrostictum), Upright Barnyard Grass (Paspalum erythrostictum), and American Barnyard Grass (Paspalum erythrostictum)? An explanation of how to distinguish between similar species.

Barnyard grass, striped barnyard grass, upright barnyard grass, and American barnyard grass are all perennial grasses belonging to the genus Barnyard grass in the grass family Poaceae, and are commonly found as weeds in a wide range of areas from urban areas to farmlands. Their most distinctive feature is their flat, nearly circular to oval-shaped spikelets...
plant

What are the differences between Barnyard Grass and Sea Barnyard Grass? An explanation of how to distinguish between similar species.

Both Barnyard grass (Barnyard grass) and sea barnyard grass (Barnyard grass) are weeds belonging to the genus Barnyard grass in the family Poaceae. They are unassuming weeds that generally prefer watery areas, but can also be found along roadsides. They are characterized by their conical inflorescences and the awns on their spikelets, but some people may have difficulty distinguishing between the two species...
plant

What are the differences between *Calanthe discolor* and *Calanthe japonica*? An explanation of how to distinguish between similar species.

Both *Arabis japonica* and *Arabis humilis* belong to the genus *Arabis* in the family Brassicaceae, and are invasive weeds that can grow in urban areas with low levels of natural habitat, such as cracks in concrete. Their distinctive features that distinguish them from other species are their characteristic yellow flowers and divided leaves, typical of the Brassicaceae family. However...
plant

What are the differences between *Senecio japonica*, *Senecio crassipes*, and *Senecio stolonifera*? An explanation of how to distinguish between similar species.

Senecio vulgaris, Senecio rupestris, and Senecio rupestris all belong to the Senecio tribe (or Senecio tribe) of the Asteraceae family and are introduced weeds with the name "borogiku" (ragwort). A key characteristic is that their flower heads (capitulum) are composed solely of tubular florets. These three species have similar names...
plant

What are the differences between cucumber grass, water hyacinth, and flowering flower? How do they differ from forget-me-nots and wild purple flowers? This article explains how to distinguish between similar species.

Both *Myosotis scorpioides* and *Myosotis alpestris* belong to the genus *Myosotis* in the family Boraginaceae, and are biennial herbs characterized by entire leaves, scorpion-shaped inflorescences, blue corollas, and the presence of appendages. *Myosotis scorpioides*, in particular, is well-known and popular for its pretty blue flowers that bloom in spring. *Myosotis scorpioides* and...
plant

What are the differences between chickweed (Cerastium holosteoides) and Dutch chickweed (Cerastium holosteoides)? How do they differ from other chickweed species? This article explains how to distinguish between similar species.

Both *Cerastium holosteoides* and *Cerastium holosteoides* belong to the genus *Cerastium* in the family Caryophyllaceae, and are extremely common plants that grow along roadsides in spring, representing typical "weeds." However, few people may be able to accurately distinguish between the two species. Distinguishing between the two may require close observation in some cases...
plant

What are the differences between Bidens pilosa, Bidens frondosa, Bidens pilosa, and Bidens serrata? An explanation of how to distinguish between similar species.

Bidens pilosa, Bidens frondosa, Bidens pilosa, and Bidens serrata are all annual plants belonging to the Bidens genus of the Asteraceae family. Their most distinctive feature in relation to humans is that their fruits are "burrs." They grow along roadsides and around bodies of water, clinging to animal fur and human clothing...
plant

What are the differences between ragweed and giant ragweed? What are the differences between goldenrod, goldenrod, and hawkweed? We'll explain how to distinguish between similar species.

Ragweed and giant ragweed are both annual weeds belonging to the genus Ragweed in the Asteraceae family, and are best known for causing "ragweed pollen allergy" in humans. This is because ragweed flowers are wind-pollinated, and to achieve this, the male and female flower heads are elongated...
plant

What are the differences between Ipomoea quamoclit, Ipomoea quamoclit, Ipomoea quamoclit, and Ipomoea quamoclit? We'll explain how to distinguish between similar species! What are the structures of their flowers and fruits?

Ipomoea quamoclit, Ipomoea quamoclit, Ipomoea quamoclit, and Ipomoea quamoclit all belong to the Ipomoea genus of the Convolvulaceae family. These climbing annuals, native to tropical America, were cultivated as ornamental plants in Japan and have since become naturalized...
animal

Reporting the first domestic record of the hairy stink bug *Pantala japonica* in Japan and the first record on Yakushima Island! (Paper published in *Ecological Notes*)

This article contains the full text of "The First Record of the Hairy Stink Bug on Yakushima Island," which was published in the following magazine. For those wishing to purchase the printed or PDF version, please use the link below. Please report any errors in identification or information so that we can correct them in subsequent issues. (function(b...
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