![](../../pictures/archives/compress/2011/955/jpeg/24t.jpg) Small white flowers of Bittercress (Cardamine) in Menkovo, south from Saint Petersburg. Russia, June 1, 2011
![](../../pictures/archives/compress/2011/946/jpeg/09t.jpg) Bittercress (Cardamine) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2011
![](../../pictures/archives/compress/2019/2452/jpeg/14t.jpg) White flowers of spring cress (bulbous bittercress, Cardamine bulbosa) in area of Winters Bayou in Sam Houston National Forest, east from Waverly. Texas, February 23, 2019
![](../../pictures/archives/compress/2019/2451/jpeg/02t.jpg) White flowers of spring cress (bulbous bittercress, Cardamine bulbosa) in area of Winters Bayou in Sam Houston National Forest, east from Waverly. Texas, February 23, 2019
![](../../pictures/archives/compress/2011/956/jpeg/14t.jpg) Old gas station in Zhiharevo, east from Saint Petersburg. Russia, June 2, 2011
![](../../pictures/archives/compress/2011/956/jpeg/11t.jpg) Petrovsky Bridge in Zhiharevo, east from Saint Petersburg. Russia, June 2, 2011
![](../../pictures/archives/compress/2011/956/jpeg/12t.jpg) Rapids of Lava River in Zhiharevo, east from Saint Petersburg. Russia, June 2, 2011
![](../../pictures/archives/compress/2011/956/jpeg/15t.jpg) Emerging thunderstorm clouds in Zhiharevo, east from Saint Petersburg. Russia, June 2, 2011
![](../../pictures/archives/compress/2017/2062/jpeg/20t.jpg) Bittercress (Cardamine) in Udelny Park. Saint Petersburg, Russia, June 8, 2017
![](../../pictures/archives/compress/2017/2060/jpeg/16t.jpg) Bittercress (Cardamine) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
![](../../pictures/archives/compress/2020/2636/jpeg/17t.jpg) White flowers of hairy bittercress weed (Cardamine hirsuta) in Lick Creek Park. College Station, Texas, January 20, 2020
![](../../pictures/archives/compress/2020/2641/jpeg/38t.jpg) White flowers of spring cress (bulbous bittercress, Cardamine bulbosa) on Winters Bayou Trail in Sam Houston National Forest. Cleveland, Texas, February 1, 2020
![](../../pictures/archives/compress/2014/1422/jpeg/29t.jpg) White cardamine flowers near a lake in Orekhovo, north from Saint Petersburg. Russia, June 5, 2014
![](../../pictures/archives/compress/2011/956/jpeg/16t.jpg) Dryad s saddle mushrooms (Cerioporus squamosus, Polyporus squamosus, a bracket fungus) on a log in Zhiharevo, east from Saint Petersburg. Russia, June 2, 2011
![](../../pictures/archives/compress/2024/3476/jpeg/21t.jpg) Hairy bittercress weed (Cardamine hirsuta, mustard family) with seeds and tiny white flowers in Lick Creek Park. College Station, Texas, February 23, 2024
![](../../pictures/archives/compress/2016/1825/jpeg/12t.jpg) Bittercress (Cardamine) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
![](../../pictures/archives/compress/2017/2046/jpeg/02t.jpg) Bittercress (Cardamine) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 22, 2017
![](../../pictures/archives/compress/2016/1825/jpeg/13t.jpg) Blooming bittercress (Cardamine) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 10, 2016
![](../../pictures/archives/compress/2016/1738/jpeg/16t.jpg) Flowers of Hairy bittercress (Cardamine hirsuta) taken from gardens of Sheraton Hotel in West Bay. Doha, Qatar, January 26, 2016
![](../../pictures/archives/compress/2016/1738/jpeg/18t.jpg) Leaf of Hairy bittercress (Cardamine hirsuta) on white background taken from gardens of Sheraton Hotel in West Bay. Doha, Qatar, January 26, 2016
![](../../pictures/archives/compress/2021/2886/jpeg/27t.jpg) Flowers of spring cress (bulbous bittercress, Cardamine bulbosa) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 20, 2021
![](../../pictures/archives/compress/2014/1422/jpeg/28t.jpg) Cardamine flowers near a lake in Orekhovo, north from Saint Petersburg. Russia, June 5, 2014
![](../../pictures/archives/compress/2019/2451/jpeg/01t.jpg) Blooming spring cress (bulbous bittercress, Cardamine bulbosa) in area of Winters Bayou in Sam Houston National Forest, east from Waverly. Texas, February 23, 2019
![](../../pictures/archives/compress/2011/960/jpeg/16t.jpg) White flowers of Foamflower (Tiarella) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 8, 2011
![](../../pictures/archives/compress/2011/962/jpeg/12t.jpg) White flowers of Sand Rock-cress (Cardaminopsis arenosa) near Toksovo, 10 miles north from Saint Petersburg. Russia, June 11, 2011
![](../../pictures/archives/compress/2011/968/jpeg/23t.jpg) Flowers of wild strawberry east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
![](../../pictures/archives/compress/2011/969/jpeg/06t.jpg) Black-veined white butterfly (Aporia crataegi) east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
![](../../pictures/archives/compress/2011/969/jpeg/01t.jpg) Flowers of Bird s-eye Speedwell (Veronica chamaedrys) east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
![](../../pictures/archives/compress/2014/1425/jpeg/22t.jpg) White flowers of Dead-nettle (Lamium) east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
![](../../pictures/archives/compress/2014/1425/jpeg/13t.jpg) White flowers of geranium near a forest road east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
![](../../pictures/archives/compress/2011/969/jpeg/04t.jpg) Blue flowers of Bird s-eye Speedwell (Veronica chamaedrys) east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
![](../../pictures/archives/compress/2014/1425/jpeg/15t.jpg) Geranium (storksbill) with white flowers near a forest road east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
![](../../pictures/archives/compress/2016/1738/jpeg/17t.jpg) Plant of Hairy bittercress (Cardamine hirsuta) taken from gardens of Sheraton Hotel in West Bay. Doha, Qatar, January 26, 2016
![](../../pictures/archives/compress/2016/1738/jpeg/15t.jpg) Leaf of Hairy bittercress (Cardamine hirsuta) taken from gardens of Sheraton Hotel in West Bay. Doha, Qatar, January 26, 2016
![](../../pictures/archives/compress/2011/969/jpeg/09t.jpg) Black-veined white butterfly (Aporia crataegi) on a pink flower east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
![](../../pictures/archives/compress/2011/968/jpeg/08t.jpg) Pink flowers of Ragged Robin(?) (Lychnis flos-cuculi) east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
![](../../pictures/archives/compress/2014/1425/jpeg/16t.jpg) Geranium (storksbill) plant with white flowers near a forest road east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
![](../../pictures/archives/compress/2016/1738/jpeg/20t.jpg) Close up of a leaf of Hairy bittercress (Cardamine hirsuta) taken from gardens of Sheraton Hotel in West Bay. Doha, Qatar, January 26, 2016
![](../../pictures/archives/compress/2016/1738/jpeg/19t.jpg) Rosette of leaves of Hairy bittercress (Cardamine hirsuta) taken from gardens of Sheraton Hotel in West Bay. Doha, Qatar, January 26, 2016
![](../../pictures/archives/compress/2016/1737/jpeg/20t.jpg) Hairy bittercress (Cardamine hirsuta) grown as weed in gardens of Sheraton Hotel in West Bay. Doha, Qatar, January 25, 2016
![](../../pictures/archives/compress/2011/968/jpeg/17t.jpg) Flowers of Lesser Butterfly-orchid (Platanthera bifolia, Russian name liubka) east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
![](../../pictures/archives/compress/2016/1738/jpeg/13t.jpg) Hairy bittercress (Cardamine hirsuta) grown as weed in wet place in gardens of Sheraton Hotel in West Bay. Doha, Qatar, January 26, 2016
![](../../pictures/archives/compress/2021/2944/jpeg/13t.jpg) Cardamine flowers in a swamp in Zverinets Park. Gatchina, a suburb of Saint Petersburg, Russia, May 25, 2021
![](../../pictures/archives/compress/2021/2886/jpeg/28t.jpg) Blooming spring cress (bulbous bittercress, Cardamine bulbosa) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 20, 2021
![](../../pictures/archives/compress/2014/1424/jpeg/16t.jpg) Black-veined white butterflies (Aporia crataegi, Russian name Boyaryshnitsa) on flowers of Ragged Robin east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
![](../../pictures/archives/compress/2014/1424/jpeg/18t.jpg) Black-veined white butterflies (Aporia crataegi, Russian name Boyaryshnitsa) sitting on flowers of Ragged Robin east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
![](../../pictures/archives/compress/2014/1424/jpeg/17t.jpg) Pair of black-veined white butterflies (Aporia crataegi, Russian name Boyaryshnitsa) on flowers of Ragged Robin east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
![](../../pictures/archives/compress/2014/1424/jpeg/19t.jpg) Close up of black-veined white butterflies (Aporia crataegi, Russian name Boyaryshnitsa) on flowers of Ragged Robin east from Kuzmolovo, north from Saint Petersburg. Russia, June 8, 2014
![](../../pictures/archives/compress/2019/2505/jpeg/35t.jpg) Purple cress flowers (Cardamine) with needle like leaves in Dubki Park in Sestroretsk, west from Saint Petersburg. Russia, May 20, 2019
![](../../pictures/archives/compress/2020/2636/jpeg/15t.jpg) Hairy bittercress weed (Cardamine hirsuta) on a sandy path below a sewage station in Lick Creek Park. College Station, Texas, January 20, 2020
![](../../pictures/archives/compress/2020/2636/jpeg/16t.jpg) Leaves of hairy bittercress weed (Cardamine hirsuta) on a sandy path below a sewage station in Lick Creek Park. College Station, Texas, January 20, 2020
![](../../pictures/archives/compress/2011/947/jpeg/25t.jpg) White flowers of Stellaria in a park of Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2011
![](../../pictures/archives/compress/2024/3475/jpeg/09t.jpg) Early blooming winter annual weed hairy bittercress (Cardamine hirsuta) in a shallow depression on side of FS203 near Richards Loop Trail in Sam Houston National Forest. Texas, February 21, 2024
![](../../pictures/archives/compress/2011/951/jpeg/24t.jpg) Small white flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 28, 2011
![](../../pictures/archives/compress/2011/938/jpeg/17t.jpg) White flowers of lily family in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 14, 2011
![](../../pictures/archives/compress/2019/2504/jpeg/07t.jpg) Purple cress flowers (Cardamine) on a lawn in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 18, 2019
![](../../pictures/archives/compress/2011/940/jpeg/10t.jpg) White flowers of wood sorrel (Oxalis acetosella, Russian name Kislitsa) in Pavlovsk Park, suburb of Saint Petersburg. Russia, May 15, 2011
![](../../pictures/archives/compress/2020/2633/jpeg/06t.jpg) White flowers of spring cress (Cardamine bulbosa) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, January 19, 2020
![](../../pictures/archives/compress/2019/2461/jpeg/27t.jpg) White flowers of spring cress (Cardamine bulbosa) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 10, 2019
![](../../pictures/archives/compress/2011/947/jpeg/23t.jpg) White flowers of wood sorrel (Oxalis acetosella, Kislitsa in Russian) in a park of Lomonosov (Oranienbaum). West from Saint Petersburg, Russia, May 23, 2011
![](../../pictures/archives/compress/2021/2864/jpeg/18t.jpg) Hairy bittercress weed (Cardamine hirsuta) in a water pool on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, February 7, 2021
![](../../pictures/archives/compress/2011/972/jpeg/14t.jpg) White phenotype of thistle in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
![](../../pictures/archives/compress/2011/961/jpeg/26t.jpg) White stellaria flower with a fly in Kuzmolovo, 10 miles north from Saint Petersburg. Russia, June 11, 2011
![](../../pictures/archives/compress/2021/2864/jpeg/19t.jpg) Basal leaves of hairy bittercress weed (Cardamine hirsuta) in a water pool on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, February 7, 2021
![](../../pictures/archives/compress/2022/3120/jpeg/11t.jpg) Hairy bittercress weed (Cardamine hirsuta, mustard family) in a water pool in Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 20, 2022
![](../../pictures/archives/compress/2011/959/jpeg/17t.jpg) Flowers of buckbean (Menyanthes) in Lembolovo, 40 miles north from Saint Petersburg. Russia, June 7, 2011
![](../../pictures/archives/compress/2011/966/jpeg/11t.jpg) Various flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
![](../../pictures/archives/compress/2011/967/jpeg/02t.jpg) Flowers of swamp orchid on 69 kilometr near Sosnovo, north from Saint Petersburg. Russia, June 20, 2011
![](../../pictures/archives/compress/2011/964/jpeg/18t.jpg) Stone flowers in Novodevichye Cemetery at Moskovskiy Prospekt. Saint Petersburg, Russia, June 15, 2011
![](../../pictures/archives/compress/2011/957/jpeg/21t.jpg) Monastery in Staraya Ladoga. East from Saint Petersburg, Russia, June 4, 2011
![](../../pictures/archives/compress/2011/968/jpeg/22t.jpg) A fly east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
![](../../pictures/archives/compress/2017/2062/jpeg/10t.jpg) White Stellaria flowers in Udelny Park. Saint Petersburg, Russia, June 8, 2017
![](../../pictures/archives/compress/2011/973/jpeg/02t.jpg) Yellow flowers of sunflower family on a beach in Solnechnoe, west from Saint Petersburg. Russia, June 30, 2011
![](../../pictures/archives/compress/2011/966/jpeg/13t.jpg) Amsonia flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
![](../../pictures/archives/compress/2011/960/jpeg/19t.jpg) Flowers of garlic in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 8, 2011
![](../../pictures/archives/compress/2011/960/jpeg/07t.jpg) Garlic(?) flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 8, 2011
![](../../pictures/archives/compress/2011/966/jpeg/04t.jpg) Pink flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
![](../../pictures/archives/compress/2011/966/jpeg/06t.jpg) Flowers and greenhouses in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 18, 2011
![](../../pictures/archives/compress/2011/957/jpeg/18t.jpg) Black rattlesnake in a canyon. Zhikharevo, east from Saint Petersburg, Russia, June 4, 2011
![](../../pictures/archives/compress/2011/957/jpeg/17t.jpg) Interior of a ruined church. Zhikharevo, east from Saint Petersburg, Russia, June 4, 2011
![](../../pictures/archives/compress/2011/969/jpeg/16t.jpg) Two black-veined white butterflies (Aporia crataegi) in Posiolok, 45 miles south from Saint Petersburg. Russia, June 23, 2011
![](../../pictures/archives/compress/2011/969/jpeg/15t.jpg) Black-veined white butterflies (Aporia crataegi) in Posiolok, 45 miles south from Saint Petersburg. Russia, June 23, 2011
![](../../pictures/archives/compress/2011/971/jpeg/08t.jpg) Flowers of St. John s Wort (Hypericum perforatum) in fields west from Deviatkino. Saint Petersburg, Russia, June 29, 2011
![](../../pictures/archives/compress/2011/957/jpeg/22t.jpg) Saint George s Cathedral in Old (Staraya) Ladoga. Leningrad Region, east from Saint Petersburg, Russia, June 4, 2011
![](../../pictures/archives/compress/2011/968/jpeg/10t.jpg) Melampyrum nemorosum east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
![](../../pictures/archives/compress/2011/968/jpeg/02t.jpg) Leaf venation east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
![](../../pictures/archives/compress/2011/968/jpeg/03t.jpg) Daisy and buttercup east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
![](../../pictures/archives/compress/2011/968/jpeg/04t.jpg) Daisy flower east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
![](../../pictures/archives/compress/2011/965/jpeg/10t.jpg) Green grasshopper east from Toksovo, 10 miles north from Saint Petersburg. Russia, June 17, 2011
![](../../pictures/archives/compress/2011/968/jpeg/11t.jpg) Feeding mosquito east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
![](../../pictures/archives/compress/2011/969/jpeg/03t.jpg) Cinquefoil (Potentilla) east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
![](../../pictures/archives/compress/2011/969/jpeg/18t.jpg) Pair of black-veined white butterflies (Aporia crataegi) in Posiolok, 45 miles south from Saint Petersburg. Russia, June 23, 2011
![](../../pictures/archives/compress/2014/1422/jpeg/02t.jpg) White flowers of mustard family near railroad in Orekhovo, north from Saint Petersburg. Russia, June 5, 2014
![](../../pictures/archives/compress/2017/2060/jpeg/17t.jpg) Some white flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 5, 2017
![](../../pictures/archives/compress/2014/1426/jpeg/22t.jpg) Some white flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
![](../../pictures/archives/compress/2014/1427/jpeg/19t.jpg) Some white flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
![](../../pictures/archives/compress/2014/1427/jpeg/08t.jpg) Some white flowers in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, June 9, 2014
![](../../pictures/archives/compress/2011/972/jpeg/22t.jpg) Flowers of beach pea (Lathyrus maritimus, Russian name Cheena) in dunes of Solnechnoe, west from Saint Petersburg. Russia, June 30, 2011
![](../../pictures/archives/compress/2011/968/jpeg/01t.jpg) Yarrow (Achillea millefolium) east from Kuzmolovo, 7 miles north from Saint Petersburg. Russia, June 22, 2011
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