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They are also sometimes called toadflax [1] or dog flower. [2] They are native to rocky areas of Europe, the United States, Canada, and North Africa. Antirrhinum species are widely used as ornamental plants in borders and as cut flowers.
The toadflax stem weevil has been vital in the disruption of nutrient and water transport as larvae laid by the toadflax stem weevil feed on the stem while the developed adults feed on the leaves. The disruption of the resources used for growth inhibits the bloom of some flowers and therefore reduces the production of seeds.
Common toadflax or butter-and-eggs (Linaria vulgaris), a European species which is widely introduced elsewhere and grows as a common weed in some areas. [ 1 ] Broomleaf toadflax or Dalmatian toadflax ( Linaria genistifolia , syn. L. dalmatica ), a native of southeast Europe that has become a weed in parts of North America.
Nuttallanthus texanus, the Texas toadflax, is an annual to biennial plant in the family Plantaginaceae found across much of the western United States. [ 2 ] : 128 It can often be seen in patches along roadsides.
Rhinusa antirrhini, known generally as toadflax seedhead weevil, is a species of true weevil in the family of beetles known as Curculionidae. Other common names include the toadflax capsule weevil and seed-gall weevil .
The members of this genus are known in English as toadflax, a name shared with several other related genera. The scientific name honors Thomas Nuttall. The North American species do not appear to form interspecific hybrids at all. The most common mode of reproduction is self-fertilization, with occasional fertilization by another plant of the ...
Nuttallanthus canadensis, the blue toadflax, Canada toadflax, or old-field toadflax, is a species of Nuttallanthus in the family Plantaginaceae, native to eastern North America from Ontario east to Nova Scotia and south to Texas and Florida.
Linaria vulgaris, the common toadflax, [1] [2] yellow toadflax or butter-and-eggs, [3] is a species of flowering plant in the family Plantaginaceae, native to Europe, Siberia and Central Asia. [4] It has also been introduced and is now common in North America.