File:Nassella neesiana flowerhead18 CAN (15440662023).jpg
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![File:Nassella neesiana flowerhead18 CAN (15440662023).jpg](https://upload.wikimedia.org/wikipedia/commons/thumb/0/03/Nassella_neesiana_flowerhead18_CAN_%2815440662023%29.jpg/800px-Nassella_neesiana_flowerhead18_CAN_%2815440662023%29.jpg?20191228221942)
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[edit]DescriptionNassella neesiana flowerhead18 CAN (15440662023).jpg | Introduced, cool-season, perennial, tufted grass to 80 cm tall. Stem nodes are covered in short hairs. Leaves are to 5 mm wide, with a strongly ribbed and hairy upper surface. Flowerheads are contracted to loosely open panicles to 40 cm long. Spikelets are 1-flowered and have 2 purplish glumes. Lemmas (6-10 mm long) are hairy in the lower half and have a ring of tissue (corona) at the base of the 4-9 cm long, bent and twisted awn. Spikelets are also formed at the base of the plant and at nodes along the flowering stems. Flowers in spring and early summer. A native of South America, it is found on roadsides, in native and sown pastures, and is one of the main lawn grasses in Canberra. Occurs on most soil types, but prefers more fertile soils. A Weed of National Significance, it is highly invasive and produces large persistent seed banks. Its seeds injure stock and downgrade wool, skins and hides. A palatable and reasonable quality feed in winter, but is low quality when flowering. Stocking rates can be reduced by up to 50% during summer. Managed with a combination of methods: fodder and stock hygiene, grazing management, physical removal, pasture sowing and registered herbicides. |
Date | |
Source | Nassella neesiana flowerhead18 CAN |
Author | Harry Rose from South West Rocks, Australia |
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This image was originally posted to Flickr by Macleay Grass Man at https://www.flickr.com/photos/73840284@N04/15440662023. It was reviewed on 20 May 2015 by FlickreviewR and was confirmed to be licensed under the terms of the cc-by-2.0. |
20 May 2015
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 22:19, 28 December 2019 | ![]() | 3,083 × 2,140 (2.21 MB) | Salicyna (talk | contribs) | Cropped 23 % horizontally, 29 % vertically using CropTool with precise mode. |
15:00, 20 May 2015 | ![]() | 4,000 × 3,000 (4.36 MB) | Amada44 (talk | contribs) | Transferred from Flickr via Flickr2Commons |
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Camera manufacturer | Canon |
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Camera model | Canon PowerShot A650 IS |
Exposure time | 1/400 sec (0.0025) |
F-number | f/5.6 |
ISO speed rating | 80 |
Date and time of data generation | 09:20, 14 November 2014 |
Lens focal length | 7.4 mm |
Orientation | Normal |
Horizontal resolution | 180 dpi |
Vertical resolution | 180 dpi |
Software used | Picasa |
File change date and time | 12:47, 20 December 2014 |
Y and C positioning | Centered |
Exif version | 2.2 |
Date and time of digitizing | 09:20, 14 November 2014 |
Meaning of each component |
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Image compression mode | 5 |
APEX shutter speed | 8.65625 |
APEX aperture | 4.96875 |
APEX exposure bias | 0 |
Maximum land aperture | 2.96875 APEX (f/2.8) |
Metering mode | Spot |
Flash | Flash did not fire, compulsory flash suppression |
Supported Flashpix version | 1 |
Color space | sRGB |
Focal plane X resolution | 13,745.704467354 |
Focal plane Y resolution | 13,698.630136986 |
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 | Standard |
Unique image ID | b646a2e749a5c54e5f6962aff2838722 |
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IIM version | 4 |