Bladderwort, Common Bladderwort, Greater Bladderwort:
Utricularia vulgaris ssp. macrorhiza
Synonym: Utricularia macrorhiza, Utricularia vulgaris var. americana
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Common bladderwort as seen in an irrigation canal along the southern loop of
the Willard Springs Trail at Conboy Lake National Wildlife Refuge........August 26, 2018. The photo at right shows the branched leaves, each bearing numerous blackened bladders which help trap aquatic insects and thus provide the plant with protein in an environment which is often nitrogen poor.
The photo above shows a close-up frontal view
of the flowers of common bladderwort: Utricularia vulgaris as seen in
an irrigation canal along Kreps Lane, Conboy Lake National Wildlife Refuge......................June
17, 2006. The flowers of this geneus are strongly bilabiate or two-lipped. Note
the well-developed palate with reddish streaks at the base of the lower lip.
The photo above shows a close-up frontal view
of the flowers of common bladderwort: Utricularia vulgaris as seen in
an irrigation canal along Kreps Lane, Conboy Lake National Wildlife Refuge..........June
17, 2006. Note the long lower spur extending from the base of the corolla tube.
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The photos above show close-ups of the individual flowers of
common bladderwort as seen in an irrigation canal along the southern loop of
the Willard Springs Trail at Conboy Lake National Wildlife Refuge.........July
28, 2006.
The photo above shows the inflorescence of common bladderwort as seen in an irrigation canal along the southern loop of the Willard Springs Trail at Conboy Lake National Wildlife Refuge...................July 2, 2006.
The photo above shows a close-up of the branched leaves, each bearing numerous blackened bladders which help trap aquatic insects and thus provide the plant with protein in an environment which is often nitrogen poor. Photographed along the Willard Springs Trail in Conboy Lake NWR..........August 17, 2007.
The photo above shows common bladderwort as seen in an irrigation canal along the southern loop of the Willard Springs Trail at Conboy Lake National Wildlife Refuge........July 2, 2006.
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The 4 photos above show various detail views of common bladderwort as seen in the central canal (along Kreps Lane) that runs through Conboy Lake NWR..........July 31, 2008. Click each photo to see a closer view. The flower seen floating in the photo at lower right is from marsh speedwell (Veronica scutellata).
Habitat of common bladderwort as seen in an old irrigation ditch adjacent to the eastern loop of the Willard Springs Trail, Conboy Lake NWR......June 11, 2020.
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Close-up images of the underwater leaf with bladders and an inflorescence of common bladderwort as seen in the canal just north of the Conboy Lake Wildlife Refuge headquarters..........May 24, 2016.
The photo above shows several branches of the underwater stems with the bladders borne on the leaves. The aerial stem which ends in 2 yellowish flowers is shown above the floating leaves. Photographed along the Willard Springs Trail in Conboy Lake NWR.........August 17, 2007.