| 单词 | blanket weed |
| 释义 | > as lemmasblanket weed blanket weed n. any of various filamentous green or yellow-green algae that form slimy green films and mats in ponds and other bodies of fresh and brackish water.Such algae may belong to widely disparate genera, such as Cladophora (a chlorophyte), Spirogyra (a charophyte), and Vaucheria (a xanthophyte). ΘΚΠ the world > plants > particular plants > algae > [noun] > other algae slake?a1505 laver1611 sea purse1769 water-net1821 red snow1825 red snow plant1836 hydrodictyon1841 Protococcus1842 snow plant1846 purple laver1847 red snow alga1848 gory dew1861 yellow cell1861 spirogyra1875 blanket-weed1879 phycochrome1881 zoochlorella1882 chlamydomonas1884 zygnemid1887 gonyaulax1902 chlorella1904 chlorophyte1937 1860 Rep. Select Comm. Serpentine 63 in Parl. Papers (H.C. 192) XX. 1 This green matter is then found on the surface of the sand, and amongst the workmen it goes by the name of ‘blanket weed’. 1870 Rep. Comm. Methods of Oyster Culture 41 in Parl. Papers (C. 224) XIV. 305 Weeds are often very troublesome in tanks or ponds, more particularly the green filmy weed ‘cladophera’ [sic], known commonly as ‘blanket-weed’. 1989 Green Mag. Oct. 66/3 A pond typically affected by nitrates from agricultural fertilizers can be clogged with filamentous algae (blanket-weed to the exasperated garden pond owner, Spirogyra to the botanist). 2015 BBC Gardeners' World (Special Subscriber ed.) Aug. 111/1 Use a bamboo cane or tool handle to twirl out the blanket weed and scoop duckweed out with a net. < as lemmas |
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