 Shoot of wild lettuce (Florida blue lettuce, Lactuca floridana) in Lick Creek Park. College Station, Texas, March 16, 2023
 Wild lettuce (Florida blue lettuce, Lactuca floridana) in Lick Creek Park. College Station, Texas, March 31, 2023
 Wild lettuce (Florida blue lettuce, Lactuca floridana) in Lick Creek Park. College Station, Texas, March 27, 2023
 Wild lettuce (Florida blue lettuce, Lactuca floridana) in Lick Creek Park. College Station, Texas, March 20, 2023
 Shoot of wild lettuce (Florida blue lettuce, Lactuca floridana) in Lick Creek Park. College Station, Texas, May 2, 2022
 Wild lettuce (Florida blue lettuce, Lactuca floridana) in Lick Creek Park. College Station, Texas, April 6, 2022
 Flower buds of wild lettuce (Florida blue lettuce, Lactuca floridana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 5, 2022
 Wild lettuce (Lactuca floridana) in Lick Creek Park. College Station, Texas, March 7, 2023
 Leaves of wild lettuce (Lactuca floridana) in Lick Creek Park. College Station, Texas, March 7, 2023
 Shoot of woodland lettuce (Lactuca floridana) in Lick Creek Park. College Station, Texas, June 13, 2022
 Rosette of leaves of woodland lettuce (Lactuca floridana) in Lick Creek Park. College Station, Texas, February 27, 2023
 Woodland lettuce (Lactuca floridana) in Lick Creek Park. College Station, Texas, June 13, 2022
 Seeds of woodland lettuce (Lactuca floridana(?)) in Lick Creek Park. College Station, Texas, July 10, 2014
 Seeds of woodland lettuce (Lactuca floridana) in Lick Creek Park. College Station, Texas, July 22, 2014
 Seeds of woodland lettuce (Lactuca floridana) in Lick Creek Park. College Station, Texas, June 22, 2022
 Wild lettuce (Lactuca floridana) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
 Young plant of woodland lettuce (Lactuca floridana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 6, 2023
 Young plant of woodland lettuce (Lactuca floridana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 1, 2024
 Rosette of leaves of woodland lettuce (Lactuca floridana) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 20, 2022
 Lettuce (Lactuca) in Antique Rose Emporium. Independence, Texas, May 17, 2014
 Seeds of lettuce (Lactuca) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
 Leaves of prickly lettuce (Lactuca serriola) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, March 5, 2016
 Prickly lettuce (Lactuca serriola) on Al Mawrid Street in Al Lejbailat area. Doha, Qatar, May 26, 2016
 Flowers of prickly lettuce (Lactuca serriola) near Al Istiqlal Street in Onaiza area. Doha, Qatar, May 2, 2016
 Prickly lettuce (Lactuca serriola) south-east from Immigration Roundabout. Doha, Qatar, April 25, 2014
 Black aphids on a stalk of lettuce (Lactuca)(?) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, May 31, 2022
 Siberian Lettuce (Lactuca sibirica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 2, 2016
 Weeds of prickly lettuce (Lactuca serriola) near Al Luqta Street, opposite to Education City. Doha, Qatar, April 11, 2014
 Siberian Lettuce (Lactuca sibirica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Flowers of Siberian Lettuce (Lactuca sibirica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
 Chicory-like flower of Siberian Lettuce (Lactuca sibirica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 16, 2015
 Chicory-like flower of Siberian Lettuce (Lactuca sibirica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
 Chicory-like flower of Siberian Lettuce (Lactuca sibirica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 10, 2009
 Chicory-like flower of Siberian Lettuce (Lactuca sibirica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 28, 2017
 Close up of chicory-like flower of Siberian Lettuce (Lactuca sibirica) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 10, 2009
 Inflorescence of prickly lettuce (Lactuca serriola) or may be L. saligna on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Flowers of prickly lettuce (Lactuca serriola) or may be L. saligna on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, June 5, 2015
 Prickly lettuce (Lactuca serriola) or may be L. saligna on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Flowers of prickly lettuce (Lactuca serriola) or may be L. saligna on roadside of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Small flower of prickly lettuce (Lactuca serriola) or may be L. saligna on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, May 1, 2015
 Close up of flowers of prickly lettuce (Lactuca serriola) or may be L. saligna on roadside of Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Vein system of leaves of prickly lettuce (Lactuca serriola) on a field on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. Qatar, April 10, 2015
 Flower of rock lettuce (Pinaropappus roseus) near a driveway of an apartment on George Bush Drive. College Station, Texas, March 26, 2019
 Close up of a flower of rock lettuce (Pinaropappus roseus) near a driveway of an apartment on George Bush Drive. College Station, Texas, March 26, 2019
 Rock lettuce (Pinaropappus roseus) near a piece of limestone near a driveway of an apartment on George Bush Drive. College Station, Texas, March 26, 2019
 Florida Ladies Tresses (Spiranthes floridana, bidium floridanum, Spiranthes brevilabris var. floridana) or may be Spiranthes laciniata on a swampy field on a property at 5369 Farm to Market Road 770 near Kountze. Texas, June 8, 2019
 Shoot of frostweed in Lick Creek Park. College Station, Texas, March 10, 2023
 Some green shoot in Lick Creek Park. College Station, Texas, March 20, 2023
 Shoot of horseweed(?) in Lick Creek Park. College Station, Texas, March 31, 2023
 Back lit Florida Ladies Tresses (Spiranthes floridana, bidium floridanum, Spiranthes brevilabris var. floridana) or may be Spiranthes laciniata on a swampy field on a property at 5369 Farm to Market Road 770 near Kountze. Texas, June 8, 2019
 Shoot of giant ragweed in Lick Creek Park. College Station, Texas, March 31, 2023
 Shoot of greenbrier (Smilax) in Lick Creek Park. College Station, Texas, March 10, 2023
 Shoot of greenbrier (Smilax) in Lick Creek Park. College Station, Texas, March 23, 2023
 Shoot of mustang grape in Lick Creek Park. College Station, Texas, March 20, 2023
 Shoot of blackberry (Rubus) in Lick Creek Park. College Station, Texas, March 23, 2023
 Shoot of water-primrose (Ludwigia) in Lick Creek Park. College Station, Texas, March 2, 2023
 Upper part of a yucca shoot in Lick Creek Park. College Station, Texas, March 27, 2023
 Shoot of corn salad (Valerianella) in Lick Creek Park. College Station, Texas, March 7, 2023
 Thorny shoot of thistle (Cirsium) in Lick Creek Park. College Station, Texas, March 7, 2023
 Spider on shoot of hackberry (Celtis laevigatus) in Lick Creek Park. College Station, Texas, March 23, 2023
 Shoot of rattan vine (supplejack, Berchemia scandens) in Lick Creek Park. College Station, Texas, March 2, 2023
 Water lettuce (Pistia stratiotes) on 40-Acre Lake in Brazos Bend State Park. Needville, Texas, March 12, 2020
 Shoot of western soapberry tree (Sapindus saponaria var. drummondii) in Lick Creek Park. College Station, Texas, March 23, 2023
 Thorny shoot of blackberry in open area over sewage line in Lick Creek Park. College Station, Texas, March 31, 2023
 Green leaf of lettuce from a supermarket when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight. College Station, Texas, August 25, 2024
 Blue flowers of tall spiderwort (Tradescantia) in Lick Creek Park. College Station, Texas, March 10, 2023
 Close-up of green leaf of lettuce from a supermarket when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight. College Station, Texas, August 25, 2024
 Ornamental lettuce in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, March 14, 2009
 Shoot of grass glowing blue in ultraviolet light in Lick Creek Park. College Station, Texas, August 30, 2024
 Leaf of lettuce from a supermarket (Mann s Family Favorites, Romaine Hearts, Walmart) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight. College Station, Texas, August 25, 2024
 Shoot of dewberry in Bee Creek Park. College Station, Texas, March 13, 2023
 Shoot of poson ivy in Bee Creek Park. College Station, Texas, March 24, 2023
 Shoot of hackberry in Bee Creek Park. College Station, Texas, March 13, 2023
 Wild petunia (Ruellia caroliniensis) in Lick Creek Park. College Station, Texas, May 2, 2023
 Plants of bitter lettuce (achicoria azul, Launaea intybacea)(?) on roadside of a road to Zubara, area of Al Magdah farms. Northern Qatar, March 26, 2016
 Shoot of rose in Anderson Arboretrum in Bee Creek Park. College Station, Texas, March 24, 2023
 Dry seeds of Canada wild rye (Elymus canadensis)(?) in Lick Creek Park. College Station, Texas, September 8, 2023
 Drummond wild onion (Allium drummondii) in Lick Creek Park. College Station, Texas, April 17, 2023
 Drummond wild onion (Allium drummondii) in Lick Creek Park. College Station, Texas, April 12, 2023
 Distorted leaves of some plant shoot in Lick Creek Park. College Station, Texas, April 17, 2023
 Shoot of some plant on sewage line right-of-way in Lick Creek Park. College Station, Texas, April 17, 2023
 Shoot of water-primrose (Ludwigia) from Lick Creek Park. College Station, Texas, August 8, 2023
 Shoot of some plant of carrot family in Lick Creek Park. College Station, Texas, February 27, 2023
 Dry shoot of beautyberry (Callicarpa americana) in Lick Creek Park. College Station, Texas, September 8, 2023
 Shoot of paper mulberry (Broussonetia papyrifera) in Bee Creek Park. College Station, Texas, March 24, 2023
 Shoot of Chinese pistache (Pistacia chinensis) in Bee Creek Park. College Station, Texas, March 24, 2023
 Flowers of Drummond wild onion (Allium drummondii) in Lick Creek Park. College Station, Texas, April 12, 2023
 Flowers of Drummond wild onion (Allium drummondii) in Lick Creek Park. College Station, Texas, April 17, 2023
 Drying shoot of beautyberry (Callicarpa americana) in Lick Creek Park. College Station, Texas, September 8, 2023
 Shoot of American burnweed (Erechtites hieraciifolius) in Lick Creek Park. College Station, Texas, February 27, 2023
 Flower heads of Drummond wild onion (Allium drummondii) in Lick Creek Park. College Station, Texas, April 17, 2023
 Shoot of elm in Lick Creek Park. College Station, Texas, March 15, 2019
 Green grasshopper on Florida paspalum grass in Lick Creek Park. College Station, Texas, July 28, 2021
 Upturned polypore mushrooms Truncospora floridana on underside of an oak log in Lick Creek Park. College Station, Texas, December 13, 2019
 Small polypore mushrooms Truncospora floridana on underside of an oak log in Lick Creek Park. College Station, Texas, December 13, 2019
 Flowers of wild onion in Lick Creek Park. College Station, Texas, March 27, 2008
 Shoot of hickory in Lick Creek Park. College Station, Texas, March 12, 2024
 Shoot of elm tree in Lick Creek Park. College Station, Texas, March 11, 2019
 Shoot of oak with catkins in Lick Creek Park. College Station, Texas, March 12, 2024
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