Unfolding leaves of bracken fern (Pteridium aquilinum) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
Iron bench with yellow leaves in Novodevichye Cemetery at Moskovskiy Prospect. Saint Petersburg, Russia, October 18, 2016
Flowers and young leaves of redbud tree (Cercis canadensis) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 27, 2019
Texas leaf cutting ants (Atta texana) with yaupon leaves in Bastrop State Park. Bastrop, Texas, November 28, 2019
Young leaves of Herniaria hemistemon on rocky ridge of Jebel Fuwairit. Northern Qatar, December 19, 2014
Mushrooms Sarcoscypha austriaca among rotting leaves near Oselki on roadside near Kavgolovskoe Lake. North from Saint Petersburg, Russia, May 3, 2017
Leaves of lupin (Lupinus) near train line in Orekhovo, north from Saint Petersburg. Russia, May 14, 2017
Aspen leaves carpeting ground near Razliv Lake, in Sestroretsk area west from Saint Petersburg. Russia, October 2, 2017
Spotted clovel leaves on a field in David E. Schob Nature Preserve at 906 Ashburn Street. College Station, Texas, December 13, 2017
Group of Mycetinis mushrooms on oak leaves in Lick Creek Park. College Station, Texas, June 10, 2018
Mushrooms Ossicaulis lignatilis inside hollowed out large diameter trunk of a broad leaved tree in Lick Creek Park. College Station, Texas, December 4, 2018
Carpet of leaves of violet woodsorrel (Oxalis violacea) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
Aecia of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on underside of leaves of May apple (Podophyllum peltatum) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 2, 2019
Leaf spots fungi(?) on underside of leaves of yaupon holly taken from Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 30, 2019
Young leaves of bracken fern (Pteridium aquilinum) on Lone Star Hiking Trail in Sam Houston National Forest west from Richards. Texas, April 9, 2019
Small disk apothecia of ascomycete mushrooms Phaeohelotium epiphyllum (Hymenoscyphus epiphyllus) on wet leaves in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, April 20, 2019
Pointed leaves and purple flowers of spring vetchling (Lathyrus vernus) near Lenin Trail in area of Razliv, north-west from Saint Petersburg, Russia, May 21, 2019
Navasota false foxglove (Agalinis navasotensis) with long and slender leaves near Navasota. Texas, September 22, 2019
Basal rosettes with narrow leaves on sandy soil in Old Baylor Park. Independence, Texas, March 2, 2020
Reddish leaves of honey locust (Gleditsia triacanthos) at Lake Somerville Trailway near Birch Creek Unit of Somerville Lake State Park. Texas, June 14, 2020
Yellow flowers of threadleaf coreopsis (thread-leaved tickseed, Coreopsis verticillata) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
Leaves of crippled crane-fly orchid (Tipularia discolor) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 2, 2019
Close up of leaves of Al Kheriza beach plant (Halopeplis perfoliata) on a beach near Zubara archeological site. Northern Qatar, October 24, 2014
Frost rimmed leaves of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
Dark leaves of bellyache bush (Jatropha gossypiifolia) in Dahl Al Hamam Park at Al Markhiya Street. Doha, Qatar, April 12, 2016
Catkin cup (Ciboria amentacea) mushroom on rotting leaves under alder in Lavriki, north from Saint Petersburg. Russia, March 14, 2017
Rosette of lupin leaves in TAMU Holistic Garden in Texas A and M University. College Station, Texas, January 29, 2009
Young leaves of honey locust (Gleditsia triacanthos) in Lake Bryan Park. Bryan, Texas, July 20, 2014
Group of warty cavalier mushrooms (Melanoleuca verrucipes) on rotting pile of dry leaves in Sosnovka Park. Saint Petersburg, Russia, September 16, 2017
Rosette of pink and green cabbage leaves in TAMU Holistic Garden in Texas A and M University. College Station, Texas, January 29, 2009
Cut-leaved evening primrose (Oenothera laciniata) in dew in Lick Creek Park. College Station, Texas, April 16, 2009
Globelike flowers of sensitive briar (Schrankia uncinata) on thorny stems with folded feathery compound leaves on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, June 22, 2008
Leaves of Japanese maple(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
Clay-colored leaf beetle (Anomoea laticlavia) on leaves of an oak tree in Lick Creek Park. College Station, Texas, March 27, 2009
Young leaves of aspen on Angliyskaya Alley in Upper Garden. Oranienbaum (Lomonosov), a suburb of Saint Petersburg, Russia, May 11, 2016
Snow on yellow leaves in Sosnovka Park. Saint Petersburg, Russia, October 25, 2016
Fresh leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 4, 2017
Palmetto leaves on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, March 24, 2018
Resupinate fungus smoky bracket (Bjerkandera adusta)(?) on underside of a log of broad-leaved tree (sweet gum, elm, or oak) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, April 28, 2018
Spreading brown fungus smoky bracket (Bjerkandera adusta)(?) on underside of a broad-leaved tree log on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest near Huntsville, Texas, April 28, 2018
Yellow corticioid fungus Phlebia subochracea under a completely rotten log of a broad-leaved tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
Texture of yellow corticioid fungus Phlebia subochracea on underside of a completely rotten log of a broad-leaved tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
Crust of yellow corticioid fungus Phlebia subochracea on underside of a completely rotten log of a broad-leaved tree on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest, near Huntsville. Texas, June 9, 2018
Bolete mushroom Strobilomyces dryophilus among oak leaves in Lick Creek Park. College Station, Texas, July 23, 2018
Pattern of leaves of violet woodsorrel (Oxalis violacea) on Lone Star Hiking Trail near Pole Creek in Sam Houston National Forest. Richards, Texas, March 1, 2019
Mycelium of downy mildew fungus Peronospora viciae on leaves of vetch (Vicia) in Bee Creek Park. College Station, Texas, March 4, 2020
White rose(?) with dark-green glossy leaves on Prairie Trail in Brazos Bend State Park. Needville, Texas, March 12, 2020
Young leaves of live oak in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
Young brown leaves of hibiscus in Antique Rose Emporium. Independence, Texas, May 16, 2020
Young porcini bolete mushrooms (Boletus sect. Boletus, Boletus edulis group) under leaves near a sandy path in Lick Creek Park. College Station, Texas, June 5, 2020
Back lit frost rimmed leaves of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, January 17, 2013
Rosette of leaves of tree houseleek (Aeonium arboreum) in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, February 23, 2017
Fern and ivy leaves covered by lichens on a tomb in Boonville Cemetery. Bryan, Texas, December 8, 2018
Frozen rose leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 30, 2009
Young leaves of red oak (Quercus buckleyi) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 19, 2010.
Southern swamp lily (Crinum americanum) in TAMU Holistic Garden in Texas A and M University, with 6 large white flowers in an umbel and large strap-like leaves. College Station, Texas, July 5, 2008
Chanterelle mushrooms (Cantharellus cibarius, Russian name Lisichki) found under leaves behind a shooting range in Sosnovka Park. Saint Petersburg, Russia, November 21, 2016
Daffodil (narcissus) with yellow corona and white floral leaves in TAMU Holistic Garden in Texas A and M University. College Station, Texas, February 20, 2009
Drops of water on leaves of pea-like plant Tephrosia onobrychoides in Lick Creek Park. College Station, Texas, May 5, 2008
Cut-leaved evening primrose (Oenothera laciniata) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 22, 2008
Young leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
Green and brown leaves of coleus in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, October 3, 2009
Tiny yellow flower of Narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) in Lick Creek Park. College Station, Texas, April 11, 2010
Young leaves of Lily-of-the-valley (Convallaria majalis, Russian name Landysh) in Dubki Park. Sestroretsk, a suburb of Saint Petersburg, Russia, May 19, 2011
Wilted leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 10, 2011
Leaves of sacred fig (Bo-Tree, Ficus religiosa) on Al Istiqlal Street Street in Onaiza area. Doha, Qatar, April 30, 2015
Close up of leaves of onionweed (Asphodelus tenuifolius) in roadside depression near a road from Al Shahaniya to Al Samriya north-east from camel race track. Lekhraib, Qatar, December 4, 2015
Blood-red Marasmius (Marasmius haematocephalus(?)) mushrooms among dry oak leaves in Lick Creek Park. College Station, Texas, September 21, 2018
Cut-leaved evening primrose flower (Oenothera laciniata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 5, 2008
Reddish maple leaves in Lost Maples State Natural Area, on East Trail. Vanderpool, Texas, November 7, 2008
Daffodil (narcissus) with orange corona and white floral leaves in TAMU Holistic Garden in Texas A and M University. College Station, Texas, February 20, 2009
Gymnopus spongiosus mushrooms with oak leaves on Kiwanis Nature Trail. College Station, Texas, December 20, 2017
Palmately compound lupin leaves in TAMU Holistic Garden in Texas A and M University. College Station, Texas, January 29, 2009
Morning freeze on rose leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 30, 2009
Violet wood sorrel blooming at fall (without leaves) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, September 25, 2010
Violet Wood Sorrel (Oxalis violacea) blooming at fall without leaves in Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, October 22, 2011
Leaf of fancy-leaved caladium (Caladium x hortulanum) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, October 3, 2009
Rosette of green leaves of Argentine peppercress (Lepidium bonariense) near Dukhan Road. Western Qatar, March 1, 2014
Fancy-leaved caladium (Caladium x hortulanum) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, October 3, 2009
Herniaria hemistemon (local name Ghebayra) with tiny leaves in desert of Harrarah, 40 miles south-west from Doha. Qatar, March 2, 2012
Red leaves of caladium in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, May 17, 2012
Leaves of barberry in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
Narrow-leaved asphodel (Asphodelus tenuifolius, local name Bwraq or barwaq) on roadside of a road to Zubara, area of Al Magdah farms (Thaghab Al Majda). Qatar, February 28, 2014
Blue leaves of Bienertia cycloptera on roadside of Salwa Road in Abu Samra, near the border. Southern Qatar, October 16, 2015
Spring flower of coltsfoot (Tussilago farfara, Russian name Mat I Machekha) among dry leaves in a forest near Komarovo, 25 miles north-west from Saint Petersburg. Russia, May 9, 2016
Red and yellow leaves of poison ivy in Delaware and Raritan Canal State Park near Carnegie Lake. Princeton, New Jersey, May 8, 2007
Hairy Androsace (Androsace villosa) alpine flowers on Colony Baldy Mountain in Sangre de Cristo Mountains, with white pinwheel-like flowers having a yellow "eye" that turns pink with age and tiny basal tightly clustered leaves. Colorado, July 3, 2007
Leaves of Cabbage head agave (Agave parrasana) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 7, 2008
Frosted rainbow chard (beet) leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
Rosette of leaves of Silver Ragwort (Dusty Miller, Senecio cineraria syn. Cineraria maritima) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, February 7, 2009
Thorny leaves in greenhouses of Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, January 5, 2016
Spoonbowl sundew (Drosera brevifolia) with spoon-like leaves in a basal rosette in Big Thicket park on Pitcher Plant Trail. Texas, March 23, 2008
Partridge berry (Mitchella repens) in Big Thicket park on Kirby Trail, with white flowers in twin-like union at the end of creeping stems and small rounded leaves in pairs. Texas, April 26, 2008
Yellow and green ornamental leaves of cassava Manihot esculenta Variegata in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 21, 2008
Young leaves of red buckeye (Aesculus pavia) in Washington-on-the-Brazos State Historic Site. Washington, Texas, February 15, 2009
Young leaves of raspberry (Rubus) east from Toksovo, 10 miles north from Saint Petersburg. Russia, June 17, 2011
Paired leaves with bluntly toothed margins of Staggerweed (Stachys arvensis) on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Pink flowers of narrow-leaved everlasting-pea (Lathyrus sylvestris, Russian name Cheena) in Petiayarvi, north from Saint Petersburg. Russia, July 17, 2015
Back side of leaves of Mediterranean amaranth (short-tepalled pigweed, Amaranthus graecizans) taken from Onaiza area. Doha, Qatar, March 24, 2016
Close up of leaves of Agriophyllum minus in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
Leaves of Traganum nudatum (local name dumran) in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
Young leaves of maple near train station of Komarovo, 25 miles north-west from Saint Petersburg. Russia, May 9, 2016
Saxifrage(?) leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 29, 2016
Grape leaves near Farm Palace in Alexandria Park. Peterhof, a suburb of Saint Petersburg, Russia, September 27, 2016
Maple leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, October 15, 2016
Sprucecone cap mushrooms (Strobilurus esculentus) among rotten leaves in Posiolok near Vyritsa, south from Saint Petersburg, Russia, October 16, 2016
Reddish fern leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2017
Leaves of littlehip hawthorn (Crataegus spathulata) with cedar-hawthorn rust fungus (Gymnosporangium globosum) in Lick Creek Park. College Station, Texas, April 18, 2018
Narrow-leaved pinweed (Lechea tenuifolia) in Lake Bryan Park. Bryan, Texas, May 16, 2018
Blister-like fruiting structures of fungus Ophiodothella vaccinii on infected leaves of farkleberry (Vaccinium arboreum) in Lick Creek Park. College Station, Texas, October 9, 2018
Mottled leaves of Sabine River wakerobin (slender trillium, Trillium gracile) near the creek in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, February 1, 2019
Fresh red cottony leaves on an oak on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest near Huntsville. Texas, March 2, 2019
Hydnoid (tooth) fungus on leaves attached to an oak log in Lick Creek Park. College Station, Texas, January 20, 2020
Green and white cabbage leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 27, 2009
White pine cone among purple leaves near Leach Pond and Farm House in Borderland State Park. North Easton, Massachusetts, October 16, 2004
Snow-on-the-prairie (Euphorbia bicolor) with linear floral leaves having white margins and small fan-like male flowers in Washington-on-the-Brazos State Historic Site. Washington, Texas, August 3, 2008
Violet wood sorrel blooming at fall without leaves in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, September 5, 2009
Leaves of caladium in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, October 3, 2009
Frost on leaves of sumac. Lake Bryan Park. Bryan, Texas, December 5, 2009
Sundew leaves (Drosera rotundifolia) in Sosnovka Park, Saint Petersburg, Russia, June 28, 2010
Dry leaves in Washington-on-the-Brazos State Historic Site. Washington, Texas, September 10, 2011
Red maple leaves near Lamsky Pond in Aleksandrovsky (Alexander) Park. Pushkin (former Tsarskoe Selo) near Saint Petersburg, Russia, September 19, 2013
Back lit leaves of seagrass (Halophila stipulacea) extracted from water in area of Ras Al Noof near Al Khor. Qatar, April 18, 2014
Leaves of honey locust (Gleditsia triacanthos) in Lake Bryan Park. Bryan, Texas, July 20, 2014
Star shaped plant of purslane-leaved aizoon (Aizoon canariense) in a large roadside depression near Route 77 to Ras Laffan. Qatar, February 6, 2016
Red fruits and three-parted spiny leaves of Berberis trifoliolata (Agarita, Currant of Texas) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, April 17, 2008
Spring sprout of round-leaved thoroughwort (Eupatorium rotundifolium)(?) in Big Thicket park on Sundew Trail. Texas, April 26, 2008
Cut-leaved evening primrose flower (Oenothera laciniata) in dew in Washington-on-the-Brazos State Historic Site. Washington, Texas, May 31, 2008
Curly leaves of ornamental cabbage (Brassica oleracea) in TAMU Holistic Garden in Texas A and M University. College Station, Texas, January 14, 2009
Frost on cabbage leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
Young red leaves of mustang grape on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009
Tiny yellow flower of Narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) in Lick Creek Park. College Station, Texas, April 24, 2009
Leaves of coleus in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, September 25, 2010
Palmate wrinkled leaves of Rodgersia aesculifolia (chestnut-leaved) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
Young leaves of greenbrier (prickly-ivy, smilax) in Lick Creek Park. College Station, Texas, May 10, 2012
Ice crystals on leaves of yaupon holly (Ilex vomitoria) in Lick Creek Park. College Station, Texas, January 17, 2013
Long curly strands of grayish linear leaves of Spanish moss (Tillandsia usneoides) in Lick Creek Park. College Station, Texas, October 19, 2008
Some young hairy leaves on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 29, 2009
Fancy-leaved caladium (Caladium x hortulanum) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, May 2, 2009
Freeze on rosettes of leaves of sage (salvia) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 2, 2010.
Young tender leaves on a tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 19, 2010.
Young leaves of Devil s Walking Stick (Hercules-club, Aralia spinosa) in Lick Creek Park. College Station, Texas, April 1, 2010.
Orange maple leaves on Shatelena Street at rain. Saint Petersburg, Russia, September 23, 2013
Multicolored leaves of Acalypha wilkesiana in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, October 10, 2008
Morning freeze on bluebonnet leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
Green and white leaves of Variegated century plant (Agave angustifolia Marginata, Agave Maguey Lechugilla) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 4, 2009
Young leaves of redbud in TAMU Holistic Garden in Texas A and M University. College Station, Texas, April 3, 2010.
Narrow-leaved evening primrose (thread-leaf sundrops, Oenothera linifolia) on Post Oak Trail in Lick Creek Park. College Station, Texas, April 16, 2010
Pattern of leaves of Mexican agave in TAMU Holistic Garden in Texas A and M University. College Station, Texas, December 26, 2010
Alternate-leaved Golden Saxifrage (Chrysosplenium alternifolium, selezionochnik in Russian) with seeds in Menkovo, south from Saint Petersburg. Russia, June 1, 2011
Back lit leaves of elm(?) in Wolf Pen Creek Park. College Station, Texas, July 2, 2012
Purslane-leaved aizoon (Aizoon canariense) on Al Muhandiseen Street near West Bay. Doha, Qatar, May 6, 2014
Rosette of silvery leaves in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, July 5, 2014
Large heart-shaped leaves of heart-leaved moonseed (Guduchi, Tinospora cordifolia) near United Nations Street in Onaiza area. Doha, Qatar, December 1, 2015
Starfish shaped plant of purslane-leaved aizoon (Aizoon canariense) on roadside of Dukhan Highway. Ash-Shahaniyah, Qatar, December 4, 2015
Glossy leaves of Chinese pepper tree (Zanthoxylum beecheyanum) planted in gardens of Sheraton Hotel in West Bay. Doha, Qatar, January 25, 2016
Emerging oak leaves in Dubki Park in Sestroretsk, near Saint Petersburg. Russia, May 12, 2016
Sundew (Drosera brevifolia) leaves secreting sticky glue from reddish glandular hairs on their leaves in Big Thicket park on Pitcher Plant Trail. Texas, March 23, 2008
Ice crystals on winter rosette leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
Dry eucalyptus leaves in a compost pile in TAMU Holistic Garden in Texas A and M University. College Station, Texas, August 20, 2011
Orange leaves of coleus in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, October 14, 2012
Brown and white leaves of coleus in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, October 14, 2012
Ornamental plant of Virginia creeper (Parthenocissus quinquefolia) with red leaves and green berries covering a wall in Venus Garden in Lower Gardens. Peterhof (Petrodvorets), a suburb of Saint Petersburg. Russia, September 28, 2015
Basal cluster of fleshy leaves of butterwort (Pinguicula pumila) in Big Thicket park, on Pitcher Plant Trail. Leaves are covered with special glandular hairs that trap tiny insects. Texas, March 23, 2008
Frost on leaves of rosette of skullcap (scutellaria ovata) in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
Morning freeze on palmately compound lupin leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 29, 2009
Young leaves of a maple tree in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, March 24, 2009
Young red leaves of an oak tree after a rain on Post Oak Trail in Lick Creek Park. College Station, Texas, April 2, 2009
Shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia, Russian name Grushanka) west from Toksovo, 10 miles north from Saint Petersburg, Russia, June 24, 2009
Leaves and fruits on a fig tree damaged by recent frost in TAMU Holistic Garden in Texas A and M University. College Station, Texas, December 12, 2009
Back lit leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
Back lit leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 28, 2011
Green leaves of plantain lily (hosta) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
Shinleaf (Round-leaved Wintergreen, Pyrola rotundifolia) in Posiolok, 45 miles south from Saint Petersburg. Russia, June 23, 2011
Leaves of Southern Maidenhair Fern (Adiantum capillus-veneris) in Hamilton Pool Preserve, west from Austin. Texas, January 12, 2013
Ugly Milk-cap mushroom (Lactarius necator, Russian name Chorny Gruzd) among dry leaves in a forest around Kavgolovskoe Lake, near Saint Petersburg. Russia, September 6, 2013
Purslane-leaved aizoon (Aizoon canariense) on sidewalk of Al Muhandiseen Street near West Bay. Doha, Qatar, May 6, 2014
Carpet of fern like leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
Back lit leaves of Albizia on Sundew Trail in Big Thicket National Preserve. Kountze, Texas, August 2, 2014
Date palms (Phoenix dactylifera, local name nakheel) with large stiff pinnate leaves on a beach in the area of Al Hamala (Al Hamlah) Water Well near Umm Bab in south-western Qatar, September 26, 2014
Brilliant red leaves of spurge Euphorbia prostrata on Green Circles (center-pivot irrigation) in Irkhaya (Irkaya) Farms. South-western Qatar, November 15, 2014
Emerging furry leaves of Pulicaria gnaphalodes on a rocky ridge of Jebel Fuwairit. Northern Qatar, March 20, 2015
Leaves of plantain lily (hosta T-Dawg ) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, July 22, 2015
Some dry leaves in spice section in Souq Waqif (Old Market). Doha, Qatar, September 11, 2015
Seedlings of purslane-leaved aizoon (Aizoon canariense) in area of Jabal Al Jassasiya, on north-eastern coast. Qatar, January 29, 2016
Succulent leaves of Traganum nudatum (local name dumran) in Maszhabiya (Al Mashabiya) Reserve near Abu Samra. Southern Qatar, April 1, 2016
Greyish leaves of French lavender (Lavandula dentata) in a park at Al Markhiya Street near a corner with Onaiza. Doha, Qatar, April 28, 2016
Ivy-Leaved Toadflax (Cymbalaria muralis) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
Cross-leaved heath (Erica tetralix)(?) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
Blooming heart-leaved moonseed (Tinospora cordifolia) near United Nations Street in Onaiza area. Doha, Qatar, May 22, 2016
Yellow leaves on a bush in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, November 4, 2016
Small mushrooms Hypholoma myosotis on wet leaves near Lisiy Nos, west from Saint Petersburg. Russia, July 27, 2017
Cut-leaved evening primrose (Oenothera laciniata) in Washington-on-the-Brazos State Historic Site. Washington, Texas, April 12, 2018
Young leaves on a pecan tree in Washington-on-the-Brazos State Historic Site. Washington, Texas, March 17, 2019
Young leaves of blackjack oak (Quercus marilandica) in Lick Creek Park. College Station, Texas, April 2, 2008
Red and green leaves of Acalypha wilkesiana in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, September 29, 2008
Frost and ice crystals on cabbage leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, January 21, 2009
Daffodil (narcissus) close up showing a central trumpet shaped corona surrounded by a ring of six floral leaves in TAMU Horticultural Gardens in Texas A and M University. College Station, Texas, February 19, 2009
Hemp shaped leaves of Japanese maple (Acer palmatum Viridis) in Mercer Arboretum and Botanical Gardens. Humble (Houston area), Texas, April 10, 2010
Harebell (Round-leaved Bellflower, Campanula rotundifolia, bluebells, local name Kolokolchik) along railroad in Lembolovo, north from Saint Petersburg, Russia, June 30, 2010
