![](../../pictures/archives/compress/2021/2997/jpeg/15t.jpg) Seeds of fragrant flatsedge (Cyperus odoratus) in Lick Creek Park. College Station, Texas, August 1, 2021
![](../../pictures/archives/compress/2021/2997/jpeg/17t.jpg) Seeds of fragrant flatsedge (Cyperus odoratus) on a recent forest clearing in Lick Creek Park. College Station, Texas, August 1, 2021
![](../../pictures/archives/compress/2020/2732/jpeg/01t.jpg) Green flatsedge (Cyperus virens) in Lick Creek Park. College Station, Texas, June 23, 2020
![](../../pictures/archives/compress/2021/2997/jpeg/10t.jpg) Fragrant flatsedge (Cyperus odoratus) in Lick Creek Park. College Station, Texas, August 1, 2021
![](../../pictures/archives/compress/2019/2555/jpeg/11t.jpg) Fragrant flatsedge (Cyperus odoratus)(?) in Lick Creek Park. College Station, Texas, July 21, 2019
![](../../pictures/archives/compress/2021/3005/jpeg/17t.jpg) Fragrant flatsedge (Cyperus odoratus)(?) in Lick Creek Park. College Station, Texas, August 12, 2021
![](../../pictures/archives/compress/2022/3176/jpeg/04t.jpg) Fragrant flatsedge (Cyperus odoratus) in Lick Creek Park. College Station, Texas, June 13, 2022
![](../../pictures/archives/compress/2021/2997/jpeg/29t.jpg) Blooming fragrant flatsedge (Cyperus odoratus)(?) in Lick Creek Park. College Station, Texas, August 1, 2021
![](../../pictures/archives/compress/2018/2325/jpeg/01t.jpg) Fragrant flatsedge (Cyperus odoratus) on a new cutting in Lick Creek Park. College Station, Texas, August 2, 2018
![](../../pictures/archives/compress/2021/2999/jpeg/03t.jpg) Fragrant flatsedge (Cyperus odoratus) or may be C. strigosus in Lick Creek Park. College Station, Texas, August 4, 2021
![](../../pictures/archives/compress/2014/1448/jpeg/09t.jpg) Fragrant flatsedge (Cyperus odoratus) on roadside in Lick Creek Park. College Station, Texas, July 1, 2014
![](../../pictures/archives/compress/2021/2997/jpeg/21t.jpg) Top part of fragrant flatsedge (Cyperus odoratus) in Lick Creek Park. College Station, Texas, August 1, 2021
![](../../pictures/archives/compress/2021/3012/jpeg/23t.jpg) Fragrant flatsedge (Cyperus odoratus) on sewage line right-of-way in Lick Creek Park. College Station, Texas, August 26, 2021
![](../../pictures/archives/compress/2021/2997/jpeg/23t.jpg) Seed cluster of fragrant flatsedge (Cyperus odoratus) in Lick Creek Park. College Station, Texas, August 1, 2021
![](../../pictures/archives/compress/2021/2997/jpeg/13t.jpg) Fragrant flatsedge (Cyperus odoratus) on a recent forest clearing in Lick Creek Park. College Station, Texas, August 1, 2021
![](../../pictures/archives/compress/2018/2325/jpeg/08t.jpg) Green seed heads of fragrant flatsedge (Cyperus odoratus) on a new cutting in Lick Creek Park. College Station, Texas, August 2, 2018
![](../../pictures/archives/compress/2020/2731/jpeg/10t.jpg) Green flatsedge (Cyperus virens) infected by fungus Balansia cyperi in a ditch in Lick Creek Park. College Station, Texas, June 19, 2020
![](../../pictures/archives/compress/2020/2735/jpeg/28t.jpg) Inflorescence of green flatsedge (Cyperus virens) enveloped by fungus Balansia cyperi taken from a ditch in Lick Creek Park. College Station, Texas, July 1, 2020
![](../../pictures/archives/compress/2020/2741/jpeg/36t.jpg) Green flatsedge (Cyperus virens) infected by fungus Balansia cyperi in a ditch at the entrance in Lick Creek Park. College Station, Texas, July 22, 2020
![](../../pictures/archives/compress/2020/2731/jpeg/13t.jpg) Close-up of inflorescence of green flatsedge (Cyperus virens) enveloped by fungus Balansia cyperi taken from Lick Creek Park. College Station, Texas, June 19, 2020
![](../../pictures/archives/compress/2020/2731/jpeg/12t.jpg) Cross section of inflorescence of green flatsedge (Cyperus virens) enveloped by fungus Balansia cyperi taken from Lick Creek Park. College Station, Texas, June 19, 2020
![](../../pictures/archives/compress/2022/3260/jpeg/19t.jpg) Seeds of flatsedge (Cyperus) on shores of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
![](../../pictures/archives/compress/2022/3176/jpeg/12t.jpg) Seeds of bunchy sedge (Cyperus polystachyos) in Lick Creek Park. College Station, Texas, June 13, 2022
![](../../pictures/archives/compress/2022/3176/jpeg/10t.jpg) Seeds of many-spiked sedge (Cyperus polystachyos) in Lick Creek Park. College Station, Texas, June 13, 2022
![](../../pictures/archives/compress/2018/2325/jpeg/02t.jpg) Seeds of bunchy, or many-spiked sedge (Cyperus polystachyos) on a new cutting in Lick Creek Park. College Station, Texas, August 2, 2018
![](../../pictures/archives/compress/2021/2999/jpeg/09t.jpg) Reddish seeds of globe flat sedge (Cyperus echinatus) in Lick Creek Park. College Station, Texas, August 4, 2021
![](../../pictures/archives/compress/2023/3413/jpeg/02t.jpg) Dry seed heads of globe flat sedge (Cyperus echinatus) on Post Oak Trail in Lick Creek Park. College Station, Texas, September 8, 2023
![](../../pictures/archives/compress/2021/2997/jpeg/19t.jpg) Seeds of many-spiked sedge (Cyperus polystachyos) on a recent forest clearing in Lick Creek Park. College Station, Texas, August 1, 2021
![](../../pictures/archives/compress/2023/3413/jpeg/23t.jpg) Dry sedge-like plant with seeds in Lick Creek Park. College Station, Texas, September 8, 2023
![](../../pictures/archives/compress/2023/3413/jpeg/05t.jpg) Dry seeds of some sedge-like plant in Lick Creek Park. College Station, Texas, September 8, 2023
![](../../pictures/archives/compress/2023/3413/jpeg/13t.jpg) Dry seeds of Canada wild rye (Elymus canadensis)(?) in Lick Creek Park. College Station, Texas, September 8, 2023
![](../../pictures/archives/compress/2023/3413/jpeg/06t.jpg) Dry seeds of hedge parsley (Torilis arvensis) in Lick Creek Park. College Station, Texas, September 8, 2023
![](../../pictures/archives/compress/2023/3413/jpeg/10t.jpg) Fluffy seeds of Western ironweed (Vernonia baldwini) in Lick Creek Park. College Station, Texas, September 8, 2023
![](../../pictures/archives/compress/2023/3413/jpeg/15t.jpg) Seeds of rattle-box water primrose (Ludwigia alternifolia) in Lick Creek Park. College Station, Texas, September 8, 2023
![](../../pictures/archives/compress/2023/3413/jpeg/09t.jpg) Dried grass of longleaf woodoats (Chasmanthium sessiliflorum) with seeds in Lick Creek Park. College Station, Texas, September 8, 2023
![](../../pictures/archives/compress/2022/3251/jpeg/02t.jpg) Some sedge (Cyperus) in Lick Creek Park. College Station, Texas, September 26, 2022
![](../../pictures/archives/compress/2023/3372/jpeg/24t.jpg) Green seeds of curly dock (Rumex crispus) in Lick Creek Park. College Station, Texas, March 27, 2023
![](../../pictures/archives/compress/2019/2565/jpeg/05t.jpg) Fragrant flatsedge (Cyperus odoratus) in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 15, 2019
![](../../pictures/archives/compress/2022/3260/jpeg/18t.jpg) Flatsedge (Cyperus) on shores of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
![](../../pictures/archives/compress/2022/3259/jpeg/29t.jpg) Masses of flatsedge (Cyperus) on shores of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
![](../../pictures/archives/compress/2022/3252/jpeg/31t.jpg) Seeds of cattail (Typha) in Lick Creek Park. College Station, Texas, September 29, 2022
![](../../pictures/archives/compress/2022/3252/jpeg/20t.jpg) Head of cattail (Typha) with fluffy seeds in Lick Creek Park. College Station, Texas, September 29, 2022
![](../../pictures/archives/compress/2021/3019/jpeg/08t.jpg) Seeds of Illinois bundleflower (Desmanthus illinoensis) in Lick Creek Park. College Station, Texas, September 6, 2021
![](../../pictures/archives/compress/2022/3252/jpeg/34t.jpg) Close-up of seeds of wand blackroot (Pterocaulon virgatum) in Lick Creek Park. College Station, Texas, September 29, 2022
![](../../pictures/archives/compress/2022/3252/jpeg/33t.jpg) Fluffy seeds of wand blackroot (Pterocaulon virgatum) in Lick Creek Park. College Station, Texas, September 29, 2022
![](../../pictures/archives/compress/2022/3251/jpeg/16t.jpg) Fluffy seeds of wand blackroot (Pterocaulon virgatum) in Lick Creek Park. College Station, Texas, September 26, 2022
![](../../pictures/archives/compress/2022/3252/jpeg/22t.jpg) Seeds of rattlebush (Sesbania drummondii) with larvae of some bugs in Lick Creek Park. College Station, Texas, September 29, 2022
![](../../pictures/archives/compress/2014/1455/jpeg/18t.jpg) Pine barren flatsedge (Cyperus retrorsus) on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, July 13, 2014
![](../../pictures/archives/compress/2020/2735/jpeg/29t.jpg) Green flatsedge infected by fungus Balansia cyperi taken from a ditch in Lick Creek Park. College Station, Texas, July 1, 2020
![](../../pictures/archives/compress/2023/3402/jpeg/15t.jpg) Seeds of yellow thistle (Bull thistle, Cirsium horridulum) on sewage line right-of-way in Lick Creek Park. College Station, Texas, May 2, 2023
![](../../pictures/archives/compress/2022/3254/jpeg/18t.jpg) Masses of flatsedge (Cyperus) on shores of Lake Somerville near Birch Creek Unit of Somerville Lake State Park. Texas, October 4, 2022
![](../../pictures/archives/compress/2023/3402/jpeg/16t.jpg) Arrangement of seeds of yellow thistle (Bull thistle, Cirsium horridulum) on sewage line right-of-way in Lick Creek Park. College Station, Texas, May 2, 2023
![](../../pictures/archives/compress/2023/3402/jpeg/18t.jpg) Fluffy seeds of yellow thistle (Bull thistle, Cirsium horridulum) on sewage line right-of-way in Lick Creek Park. College Station, Texas, May 2, 2023
![](../../pictures/archives/compress/2022/3251/jpeg/17t.jpg) Masses of fluffy seeds of wand blackroot (Pterocaulon virgatum) in Lick Creek Park. College Station, Texas, September 26, 2022
![](../../pictures/archives/compress/2020/2800/jpeg/23t.jpg) Fragrant flatsedge (Cyperus odoratus)(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, October 16, 2020
![](../../pictures/archives/compress/2020/2761/jpeg/06t.jpg) Fragrant flatsedge (Cyperus odoratus)(?) on a shore of Somerville Lake near Birch Creek Unit of Somerville Lake State Park. Texas, August 29, 2020
![](../../pictures/archives/compress/2021/2995/jpeg/28t.jpg) Fragrant flatsedge (Cyperus odoratus)(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, July 30, 2021
![](../../pictures/archives/compress/2021/2997/jpeg/14t.jpg) Many-spiked sedge (Cyperus polystachyos) in Lick Creek Park. College Station, Texas, August 1, 2021
![](../../pictures/archives/compress/2021/2997/jpeg/03t.jpg) Some sedge (Cyperus) on Post Oak Trail in Lick Creek Park. College Station, Texas, August 1, 2021
![](../../pictures/archives/compress/2022/3176/jpeg/05t.jpg) Many-spiked sedge (Cyperus polystachyos) in Lick Creek Park. College Station, Texas, June 13, 2022
![](../../pictures/archives/compress/2020/2706/jpeg/16t.jpg) Globe flat sedge (Cyperus echinatus) in Lick Creek Park. College Station, Texas, May 11, 2020
![](../../pictures/archives/compress/2021/3005/jpeg/12t.jpg) Many-spiked sedge (Cyperus polystachyos) in Lick Creek Park. College Station, Texas, August 12, 2021
![](../../pictures/archives/compress/2021/3012/jpeg/25t.jpg) Some sedge (Cyperus) on sewage line right-of-way in Lick Creek Park. College Station, Texas, August 26, 2021
![](../../pictures/archives/compress/2022/3176/jpeg/11t.jpg) Bunchy sedge (Cyperus polystachyos) in Lick Creek Park. College Station, Texas, June 13, 2022
![](../../pictures/archives/compress/2021/2999/jpeg/07t.jpg) Umbrella sedge (Cyperus strigosus) or may be C. odoratus in Lick Creek Park. College Station, Texas, August 4, 2021
![](../../pictures/archives/compress/2021/2999/jpeg/08t.jpg) Globe flat sedge (Cyperus echinatus) in Lick Creek Park. College Station, Texas, August 4, 2021
![](../../pictures/archives/compress/2009/739/jpeg/06t.jpg) Globe flat sedge (Cyperus echinatus) in Lick Creek Park. College Station, Texas, April 29, 2009
![](../../pictures/archives/compress/2020/2706/jpeg/18t.jpg) Close-up of globe flat sedge (Cyperus echinatus) in Lick Creek Park. College Station, Texas, May 11, 2020
![](../../pictures/archives/compress/2014/1452/jpeg/19t.jpg) Bunchy, or many-spiked sedge (Cyperus polystachyos) in Lick Creek Park. College Station, Texas, July 10, 2014
![](../../pictures/archives/compress/2022/3176/jpeg/06t.jpg) Close-up of many-spiked sedge (Cyperus polystachyos) in Lick Creek Park. College Station, Texas, June 13, 2022
![](../../pictures/archives/compress/2022/3176/jpeg/09t.jpg) Close-up of globe flat sedge (Cyperus echinatus) in Lick Creek Park. College Station, Texas, June 13, 2022
![](../../pictures/archives/compress/2022/3176/jpeg/07t.jpg) Many-spiked sedge (Cyperus polystachyos) on a clearing over a pipeline in Lick Creek Park. College Station, Texas, June 13, 2022
![](../../pictures/archives/compress/2024/3618/jpeg/04t.jpg) Close-up of fluffy seeds of wand blackroot (Pterocaulon virgatum) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
![](../../pictures/archives/compress/2020/2739/jpeg/15t.jpg) Bunchy, or many-spiked sedge (Cyperus polystachyos)(?) on a sewage line right of way in Lick Creek Park. College Station, Texas, July 18, 2020
![](../../pictures/archives/compress/2021/2997/jpeg/18t.jpg) Many-spiked sedge (Cyperus polystachyos) on a recent forest clearing in Lick Creek Park. College Station, Texas, August 1, 2021
![](../../pictures/archives/compress/2024/3618/jpeg/03t.jpg) Fluffy seeds of wand blackroot (Pterocaulon virgatum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
![](../../pictures/archives/compress/2020/2743/jpeg/15t.jpg) Pine barren flatsedge (Cyperus retrorsus) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
![](../../pictures/archives/compress/2018/2325/jpeg/04t.jpg) Seed heads of bunchy, or many-spiked sedge (Cyperus polystachyos) on a new cutting in Lick Creek Park. College Station, Texas, August 2, 2018
![](../../pictures/archives/compress/2022/3258/jpeg/24t.jpg) Dry flatsedge and bigpod sesbania with seeds on shores of the lake near Birch Creek Unit of Somerville Lake State Park. Texas, October 12, 2022
![](../../pictures/archives/compress/2015/1678/jpeg/09t.jpg) Clump of smooth flatsedge (Cyperus laevigatus) taken from a spring of Qulmat Al Maszhabiya in Al Mashabiya Reserve near Abu Samra. Southern Qatar, October 23, 2015
![](../../pictures/archives/compress/2016/1734/jpeg/15t.jpg) Smooth flatsedge (Cyperus laevigatus) growing in a desert spring of Qulmat Al Maszhabiya in Al Mashabiya Reserve near Abu Samra. Southern Qatar, January 22, 2016
![](../../pictures/archives/compress/2015/1681/jpeg/16t.jpg) Smooth flatsedge (Cyperus laevigatus) growing in a desert spring of Qulmat Al Maszhabiya in Al Mashabiya Reserve near Abu Samra. Southern Qatar, October 31, 2015
![](../../pictures/archives/compress/2016/1734/jpeg/18t.jpg) Masses of smooth flatsedge (Cyperus laevigatus) growing in a desert spring of Qulmat Al Maszhabiya in Al Mashabiya Reserve near Abu Samra. Southern Qatar, January 22, 2016
![](../../pictures/archives/compress/2016/1734/jpeg/16t.jpg) Spikelet of smooth flatsedge (Cyperus laevigatus) growing in a desert spring of Qulmat Al Maszhabiya in Al Mashabiya Reserve near Abu Samra. Southern Qatar, January 22, 2016
![](../../pictures/archives/compress/2016/1734/jpeg/17t.jpg) Spikelets of smooth flatsedge (Cyperus laevigatus) growing in a desert spring of Qulmat Al Maszhabiya in Al Mashabiya Reserve near Abu Samra. Southern Qatar, January 22, 2016
![](../../pictures/archives/compress/2010/888/jpeg/15t.jpg) Fragrant flatsedge (Cyperus odoratus)(?) in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 29, 2010
![](../../pictures/archives/compress/2012/1119/jpeg/09t.jpg) Freeze on dry fragrant flatsedge (Cyperus odoratus) near a pond in Washington-on-the-Brazos State Historic Site. Washington, Texas, November 17, 2012
![](../../pictures/archives/compress/2012/1122/jpeg/05t.jpg) Dry seeds in Lick Creek Park. College Station, Texas, November 30, 2012
![](../../pictures/archives/compress/2023/3416/jpeg/02t.jpg) Cocklebur (Xanthium strumarium) in Lick Creek Park. College Station, Texas, September 13, 2023
![](../../pictures/archives/compress/2023/3413/jpeg/12t.jpg) Dry plant of sumpweed (Iva annua) in Lick Creek Park. College Station, Texas, September 8, 2023
![](../../pictures/archives/compress/2023/3416/jpeg/01t.jpg) Dry plant of goldenrod (Solidago) in Lick Creek Park. College Station, Texas, September 13, 2023
![](../../pictures/archives/compress/2023/3416/jpeg/07t.jpg) Dry leaves of black cherry(?) in Lick Creek Park. College Station, Texas, September 13, 2023
![](../../pictures/archives/compress/2015/1678/jpeg/11t.jpg) Compact heads with spikelets growing sideways of smooth flatsedge (Cyperus laevigatus) taken from a spring of Qulmat Al Maszhabiya in Al Mashabiya Reserve near Abu Samra. Southern Qatar, October 23, 2015
![](../../pictures/archives/compress/2023/3412/jpeg/29t.jpg) Dry seeds of Maximilian sunflower (Helianthus maximiliani) in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, September 5, 2023
![](../../pictures/archives/compress/2014/1457/jpeg/13t.jpg) Seeds of thistle in Lick Creek Park. College Station, Texas, July 15, 2014
![](../../pictures/archives/compress/2022/3258/jpeg/06t.jpg) Horseweed(?) with seeds in Lick Creek Park. College Station, Texas, October 10, 2022
![](../../pictures/archives/compress/2022/3258/jpeg/01t.jpg) Hawkweed seeds in Lick Creek Park. College Station, Texas, October 10, 2022
![](../../pictures/archives/compress/2011/937/jpeg/08t.jpg) Dry seeds of Lyreleaf sage in Lick Creek Park. College Station, Texas, May 4, 2011
![](../../pictures/archives/compress/2023/3413/jpeg/17t.jpg) Dry leaves of frostweed (Verbesina virginica) in Lick Creek Park. College Station, Texas, September 8, 2023
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