Leighton Photography & Imaging

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  • The bright yellowish-green patch on the cypress trunk consists of Chrysothrix candelaris, a species of crustose lichen. The greyish-white lichen is Cryptothecia evergladensis, a different type of crutose lichen. This tree with both species is growing in the Fakahatchee Strand of the Northwestern Everglades.
    Two Lichens
  • A male juba skipper pauses for a moment on a clump of asters on a windy spring day on Whiskey Dick Mountain in Central Washington just west of the Columbia River near Vantage. Similar in appearance to other related skipper species in the sagebrush deserts and plains of the northern western states, this one is dependent on certain native grasses for their young to eat.
    Juba Skipper
  • This unusual trumpet-shaped club lichen is found throughout the world in cooler climates in both the northern and southern hemispheres and is usually growing from either moist forest soils or from wood. This colony was found growing among tree roots on Little Mount Si in North Bend, Washington on a chilly autumn late afternoon.
    False Pixie Cup
  • This unusual trumpet-shaped club lichen is found throughout the world in cooler climates in both the northern and southern hemispheres and is usually growing from either moist forest soils or from wood. This colony was found growing among tree roots on Little Mount Si in North Bend, Washington on a chilly autumn late afternoon.
    False Pixie Cup
  • This unusual trumpet-shaped club lichen is found throughout the world in cooler climates in both the northern and southern hemispheres and is usually growing from either moist forest soils or from wood. This colony was found growing in soggy soil in the Mount Baker-Snoqualmie National Forest near the Greenwater River in Washington's Cascade Mountains.
    False Pixie Cup
  • As you can see in this image - the greenish brown colors match perfectly with the general background color of this North Florida forest. I had no idea they were so common until I found hundreds of winter leaves in scattered locations around the Florida Panhandle.
    Cranefly Orchid
  • Acarospora socialis - pale yellow<br />
Candelariella aurella - bright yellow<br />
Xanthoria elegans - orange<br />
Caloplaca albovariegata - black/dark green<br />
Xanthoparmelia maricopensis - light gray/greenish<br />
Dimelaena oreina - pale green with black "blotches" (very tiny)
    Mojave Desert Lichen Community
  • Acarospora socialis - pale yellow<br />
Candelariella aurella - bright yellow<br />
Xanthoria elegans - orange<br />
Caloplaca albovariegata - black/dark green<br />
Xanthoparmelia maricopensis - light gray/greenish<br />
Dimelaena oreina - pale green with black "blotches" (very tiny)
    Mojave Desert Lichen Community
  • The mountain death camas spends much of the year underground as an onion-like corm, until the spring when it emerges as a beautiful, multi-flowered stalk. It is distinguishable from other death camas from the greenish-yellow markings on the petals, and as the name suggests, it is very poisonous to humans and livestock. This one was found growing in the Rocky Mountains, just east of Aspen, Colorado on a chilly subalpine June morning at about 9000 feet.
    Mountain Death Camas
  • This cactus is native subspecies of the green-flowering hedgehog cactus and is common from mid-to-high elevations, favoring volcanic soils. The cylindrical stem of this cactus may branch to form large colonies. Rusty-red flowers with darker purplish maroon midstripes and greenish-yellow anthers grow from the middle third of the stem and do not open very wide. Found in the United States only in Brewster County in the Big Bend area of Texas, this one was found growing below the Chisos Mountains near the Rio Grande.
    Brown-flowered Cactus
  • This cactus is native subspecies of the green-flowering hedgehog cactus and is common from mid-to-high elevations, favoring volcanic soils. The cylindrical stem of this cactus may branch to form large colonies. Rusty-red flowers with darker purplish maroon midstripes and greenish-yellow anthers grow from the middle third of the stem and do not open very wide. Found in the United States only in Brewster County in the Big Bend area of Texas, these were found growing below the Chisos Mountains near the Rio Grande.
    Brown-flowered Cactus
  • In July, long after the green spotted leaf has withered and disappeared, a small greenish-brown stem, or spike, will poke up through the forest floor encased in a leaf-like sheath, and will within a week resemble the familiar form of most North American terrestrial orchids as they are about to flower.
    Cranefly Orchid
  • Starting off as a grey-to-greenish lichen from the humid subtropical and tropical swamps of the American Southeast and southwards, the Christmas lichen develops an unusual and surprisingly bright pigment that becomes red or hot pink on the bark or dead wood of water-loving trees such as bald cypress. This patch was found on a cypress tree growing in the Corkscrew Swamp in Southwest Florida between Naples and Fort Myers.
    Christmas Lichen
  • This cactus is native subspecies of the green-flowering hedgehog cactus and is common from mid-to-high elevations, favoring volcanic soils. The cylindrical stem of this cactus may branch to form large colonies. Rusty-red flowers with darker purplish maroon midstripes and greenish-yellow anthers grow from the middle third of the stem and do not open very wide. Found in the United States only in Brewster County in the Big Bend area of Texas, these were found growing below the Chisos Mountains near the Rio Grande.
    Brown-flowered Cactus
  • This cactus is native subspecies of the green-flowering hedgehog cactus and is common from mid-to-high elevations, favoring volcanic soils. The cylindrical stem of this cactus may branch to form large colonies. Rusty-red flowers with darker purplish maroon midstripes and greenish-yellow anthers grow from the middle third of the stem and do not open very wide. Found in the United States only in Brewster County in the Big Bend area of Texas, these were found growing below the Chisos Mountains near the Rio Grande.
    Brown-flowered Cactus
  • This cactus is native subspecies of the green-flowering hedgehog cactus and is common from mid-to-high elevations, favoring volcanic soils. The cylindrical stem of this cactus may branch to form large colonies. Rusty-red flowers with darker purplish maroon midstripes and greenish-yellow anthers grow from the middle third of the stem and do not open very wide. Found in the United States only in Brewster County in the Big Bend area of Texas, this one was found growing below the Chisos Mountains near the Rio Grande.
    Brown-flowered Cactus
  • This cactus is native subspecies of the green-flowering hedgehog cactus and is common from mid-to-high elevations, favoring volcanic soils. The cylindrical stem of this cactus may branch to form large colonies. Rusty-red flowers with darker purplish maroon midstripes and greenish-yellow anthers grow from the middle third of the stem and do not open very wide. Found in the United States only in Brewster County in the Big Bend area of Texas, this one was found growing below the Chisos Mountains near the Rio Grande.
    Brown-flowered Cactus
  • This cactus is native subspecies of the green-flowering hedgehog cactus and is common from mid-to-high elevations, favoring volcanic soils. The cylindrical stem of this cactus may branch to form large colonies. Rusty-red flowers with darker purplish maroon midstripes and greenish-yellow anthers grow from the middle third of the stem and do not open very wide. Found in the United States only in Brewster County in the Big Bend area of Texas, these were found growing below the Chisos Mountains near the Rio Grande.
    Brown-flowered Cactus
  • This large-leaved plant took me by surprise in the deserts of Southern Nevada. The greenish-brown flowers and dark green leaves mark it as what is known locally as wild rhubarb. This plant contains a remarkable amount of tannins and has been used in making leather products.
    Canaigre Dock
  • This cactus is native subspecies of the green-flowering hedgehog cactus and is common from mid-to-high elevations, favoring volcanic soils. The cylindrical stem of this cactus may branch to form large colonies. Rusty-red flowers with darker purplish maroon midstripes and greenish-yellow anthers grow from the middle third of the stem and do not open very wide. Found in the United States only in Brewster County in the Big Bend area of Texas, these were found growing below the Chisos Mountains near the Rio Grande.
    Brown-flowered Cactus
  • The mountain death camas spends much of the year underground as an onion-like corm, until the spring when it emerges as a beautiful, multi-flowered stalk. It is distinguishable from other death camas from the greenish-yellow markings on the petals, and as the name suggests, it is very poisonous to humans and livestock. This one was found growing in the Rocky Mountains, just east of Aspen, Colorado on a chilly subalpine June morning at about 9000 feet.
    Mountain Death Camas
  • This cactus is native subspecies of the green-flowering hedgehog cactus and is common from mid-to-high elevations, favoring volcanic soils. The cylindrical stem of this cactus may branch to form large colonies. Rusty-red flowers with darker purplish maroon midstripes and greenish-yellow anthers grow from the middle third of the stem and do not open very wide. Found in the United States only in Brewster County in the Big Bend area of Texas, these were found growing below the Chisos Mountains near the Rio Grande.
    Brown-flowered Cactus
  • This cactus is native subspecies of the green-flowering hedgehog cactus and is common from mid-to-high elevations, favoring volcanic soils. The cylindrical stem of this cactus may branch to form large colonies. Rusty-red flowers with darker purplish maroon midstripes and greenish-yellow anthers grow from the middle third of the stem and do not open very wide. Found in the United States only in Brewster County in the Big Bend area of Texas, these were found growing below the Chisos Mountains near the Rio Grande.
    Brown-flowered Cactus
  • Starting off as a grey-to-greenish lichen from the humid subtropical and tropical swamps of the American Southeast and southwards, the Christmas lichen develops an unusual and surprisingly bright pigment that becomes red or hot pink on the bark or dead wood of water-loving trees such as bald cypress. This patch was found on a cypress tree growing in the Corkscrew Swamp in Southwest Florida between Naples and Fort Myers.
    Christmas Lichen