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Summary
| DescriptionAlternanthera philoxeroides habit4c (11680147013).jpg | A noxious weed in NSW; here growing on the——Williams River at Clarence Town; furthest up the "river it has been recorded." Introduced, "warm-season," perennial terrestrial——to aquatic, hairless herb; with stolons——to 10 m long. Leaves are opposite, sessile and "obovate." Flowerheads are axillary to terminal, "globose clusters of 1 to several flowers on peduncles to 4 cm long." Perianth segments are white. And scarious. Bracts are shorter than the perianth. Flowering is from late spring to early autumn. A native of South America, it forms dense floating. Or rooted mats in aquatic and seasonally inundated land. A noxious weed that is already having severe impacts on irrigated agriculture, turf industry, extraction industry and vegetable industry; also impacting native areas. Control? Good luck! |
| Date | |
| Source | Alternanthera philoxeroides habit4c |
| Author | Harry Rose from South West Rocks, Australia |
Licensing
This file is licensed under the Creative Commons Attribution 2.0 Generic license.
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This image was originally posted to Flickr by, Macleay Grass Man at https://www.flickr.com/photos/73840284@N04/11680147013. It was reviewed on 26 May 2015 by FlickreviewR and was confirmed to be, licensed under the terms of the cc-by-2.0. |
26 May 2015
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25 October 2013
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229db5e7adec904fdede2abfb1c8c3fe87d6de2b
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2,700 pixel
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File history
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| Date/Time | Thumbnail | Dimensions | User | Comment | |
|---|---|---|---|---|---|
| current | 14:15, 26 May 2015 | | 3,600 × 2,700 (3.97 MB) | Amada44 | Transferred from Flickr via Flickr2Commons |
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| Camera manufacturer | Canon |
|---|---|
| Camera model | Canon PowerShot A650 IS |
| Date and time of data generation | 09:25, 25 October 2013 |
| Exposure time | 1/1,000 sec (0.001) |
| F-number | f/2.8 |
| ISO speed rating | 80 |
| Lens focal length | 7.4 mm |
| Horizontal resolution | 180 dpi |
| Vertical resolution | 180 dpi |
| Orientation | Normal |
| File change date and time | 15:17, 1 January 2014 |
| Software used | PaintShop Pro 14.00 |
| Exif version | 2.2 |
| Supported Flashpix version | 1 |
| Color space | sRGB |
| Meaning of each component |
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| Date and time of digitizing | 09:25, 25 October 2013 |
| Shutter speed | 9.96875 |
| APEX aperture | 2.96875 |
| Exposure bias | 0 |
| Maximum land aperture | 2.96875 APEX (f/2.8) |
| Metering mode | Pattern |
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| Focal plane X resolution | 13,745.704467354 |
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| Focal plane resolution unit | inches |
| Sensing method | One-chip color area sensor |
| File source | Digital still camera |
| Custom image processing | Normal process |
| Exposure mode | Auto exposure |
| White balance | Auto white balance |
| Digital zoom ratio | 1 |
| Scene capture type | Portrait |