 Rusty blackhaw viburnum (Viburnum rufidulum) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Leaves of rusty blackhaw viburnum (Viburnum rufidulum) on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021
 Oval leaves of rusty blackhaw viburnum (Viburnum rufidulum) in Wolf Pen Creek Park. College Station, Texas, March 19, 2020
 Leaves of rusty blackhaw viburnum (Viburnum rufidulum) in Lick Creek Park. College Station, Texas, April 6, 2022
 Back lit leaf of rusty blackhaw viburnum (Viburnum rufidulum) in Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, March 20, 2022
 Oval leaves of rusty blackhaw viburnum (Viburnum rufidulum) in Lick Creek Park. College Station, Texas, March 24, 2021
 Young leaves of rusty blackhaw viburnum (Viburnum rufidulum) in Lick Creek Park. College Station, Texas, March 16, 2023
 Flowers of rusty blackhaw viburnum (Viburnum rufidulum) in Bee Creek Park. College Station, Texas, April 5, 2022
 Blooming rusty blackhaw viburnum (Viburnum rufidulum) in Bee Creek Park. College Station, Texas, April 5, 2022
 Blooming rusty blackhaw viburnum (Viburnum rufidulum) in Wolf Pen Creek Park. College Station, March 8, 2024
 Flowers of rusty blackhaw viburnum (Viburnum rufidulum) in Wolf Pen Creek Park. College Station, March 8, 2024
 Flowers of rusty blackhaw viburnum (Viburnum rufidulum) in Lick Creek Park. College Station, Texas, March 22, 2019
 Round leaf of rusty blackhaw viburnum (Viburnum rufidulum) in Lick Creek Park. College Station, Texas, March 22, 2019
 Leaf venation of rusty blackhaw viburnum (Viburnum rufidulum) in Lick Creek Park. College Station, Texas, March 2, 2023
 Close-up of white flowers of rusty blackhaw viburnum (Viburnum rufidulum) in Wolf Pen Creek Park. College Station, March 8, 2024
 Rusty blackhaw viburnum (Viburnum rufidulum) on Kiwanis Nature Trail at College Hills Elementary. College Station, Texas, April 1, 2022
 Flowers of rusty blackhaw viburnum (Viburnum rufidulum) on Kiwanis Nature Trail at College Hills Elementary. College Station, Texas, April 1, 2022
 Young leaves of arrowwood viburnum (Viburnum dentatum) on Caney Creek section of Lone Star Hiking Trail in Sam Houston National Forest north from Montgomery. Texas, February 25, 2024
 Young leaves of arrowwood viburnum (Viburnum dentatum) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 20, 2021
 Arrowwood viburnum (Viburnum dentatum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Sam Houston National Forest. Richards, Texas, October 12, 2024
 Flower buds of arrowwood viburnum (Viburnum dentatum) in Big Creek Scenic Area of Sam Houston National Forest. Shepherd, Texas, March 20, 2021
 Fruits of Manchurian Viburnum (Viburnum burejaeticum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
 Immature berries of Manchurian Viburnum (Viburnum burejaeticum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
 Pink immature berries of Manchurian Viburnum (Viburnum burejaeticum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
 Green immature berries of Manchurian Viburnum (Viburnum burejaeticum) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, August 22, 2013
 Yellow leaves of hickory on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Blooming arrowwood (Viburnum dentatum) on Stubblefield section of Lone Star hiking trail north from Trailhead No. 6 in Sam Houston National Forest. Texas, May 21, 2022
 Some rusty slime mold on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, April 28, 2020
 Some rusty brown slime mold on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, April 28, 2020
 Details of some rusty brown slime mold on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, April 28, 2020
 Texture of some rusty brown slime mold on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, April 28, 2020
 Fall colors of viburnum leaves in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, September 18, 2013
 Young red leaves of an oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Young oak leaves on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Young oak leaves on Richards Loop Trail in Sam Houston National Forest. Texas, June 27, 2020
 Rusty shoot of oak on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Some rusty oak seedling on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
 Young leaves of sumac(?) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Distorted growth of oak leaves on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Young leaves of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Young leaves of sumac(?) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Shoot with glossy leaves on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Young leaves of sweetgum on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Some young glossy leaves on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Fresh leaves of Virginia creeper on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Leaves of coralbean (Erythrina herbacea) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Young leaves of Virginia creeper on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Young leaves of elm on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020
 Fresh leaves of Viburnum in Peter the Great Botanical Garden of Komarov Botanical Institute. Saint Petersburg, Russia, May 7, 2019
 Young leaves of flameleaf sumac (Rhus lanceolata) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Fresh leaves of flameleaf sumac (Rhus lanceolata) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Distorted oak leaves caused by insect larvae(?) on Richards Loop Trail in Sam Houston National Forest. Texas, July 28, 2020
 Phylloxera galls on hickory leaves on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, May 2, 2020
 Path covered by dry leaves on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, November 20, 2020
 Beautyberry (Callicarpa americana) with wilted leaves on Richards Loop Trail in Sam Houston National Forest. Texas, August 21, 2020
 Fresh leaves of blackjack oak on Little Lake Creek Loop Trail in Sam Houston National Forest. Richards, Texas, March 8, 2020
 Curved leaves of bracken ferm with insect eggs on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Young leaves of blackjack oak (Quercus marilandica) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Oak leaves with brown spots caused by a fungus(?) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Young leaves of southern wax myrtle (Myrica cerifera) on Richards Loop Trail in Sam Houston National Forest. Texas, May 10, 2020
 Leaves of Chinese tallow (Sapium sebiferum) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Back lit leaves of flameleaf sumac (Rhus lanceolata) on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Young leaves of Muscadine Grape (Vitis rotundifolia) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Texture of Phylloxera galls on hickory leaves on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, May 2, 2020
 Young leaves of mustang grape (Vitis mustangensis) on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
 Close-up of Phylloxera galls on hickory leaves on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, May 2, 2020
 Rusty brown cap of a bolete mushroom Xanthoconium affine on Richards Loop Trail in Sam Houston National Forest. Texas, September 7, 2022
 Curling of leaves caused by blackberry psyllid (Trioza tripunctata) on Richards Loop Trail in Sam Houston National Forest. Texas, July 12, 2020
 Lower surface of hickory leaves with Phylloxera galls on Sand Branch Loop Trail in Sam Houston National Forest near Richards. Texas, May 2, 2020
 Texture of a leaf of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Fall foliage of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Mushroom Amanita polypyramis on Richards Loop Trail in Sam Houston National Forest. Texas, December 3, 2020
 Orange leaf of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Speckled leaf of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Close-up of a leaf of sassafras on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Fall colors of sweetgum on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Yellow web-like corticioid fungus under a pine(?) log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Cross section of a mushroom Amanita polypyramis on Richards Loop Trail in Sam Houston National Forest. Texas, December 3, 2020
 Details of yellow web-like corticioid fungus under a pine(?) log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Pine Spike mushroom (Chroogomphus vinicolor) on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Mature Hebeloma(?) mushrooms on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
 Poison pie mushrooms (Hebeloma crustuliniforme) in a pine forest on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
 Small single veiled poisonpie mushroom Hebeloma mesophaeum (spore print rusty brown) on Richards Loop Trail in Sam Houston National Forest. Texas, May 6, 2023
 White resupinate polypore mushroom with embedded dry fern leaves on bark of a fallen pine branch on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 White resupinate polypore mushroom with embedded oak leaves on thin bark of a fallen pine branch on Richards Loop Trail in Sam Houston National Forest, Texas, November 19, 2020
 Some white resupinate polypore mushroom on underside of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Light orange corticioid (crust) fungus on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Mature stinkhorn mushrooms (Phallus impudicus) near a rotting log on Richards Loop Trail in Sam Houston National Forest. Texas, December 3, 2020
 White and orange corticioid (crust) fungus on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 White Amanita mushroom on roadside with disturbed sandy soil with pine needles, oak leaves and some grass, in a pine forest at Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, December 9, 2021
 Resupinate polypore mushroom Skeletocutis odora(?) on a cut surface of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Cross section of Pine Spike mushroom (Chroogomphus vinicolor) on Richards Loop Trail in Sam Houston National Forest. Texas, December 15, 2020
 Soft bracket mushrooms (Leptoporus mollis) on a cut surface of a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Bonnet (Mycena) mushrooms on a large pine log on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
 Bonnet (Mycena) mushrooms on a mossy pine log on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
 Close-up of white and orange corticioid (crust) fungus on a pine log on Richards Loop Trail in Sam Houston National Forest. Texas, December 24, 2020
 Bonnet (Mycena) mushrooms on a wet fallen pine on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
 Underside of poison pie mushrooms (Hebeloma crustuliniforme) on North Wilderness Loop Trail in Sam Houston National Forest near Richards. Texas, December 27, 2020
 Gills of orange mock oyster mushrooms (Phyllotopsis nidulans) on Richards Loop Trail in Sam Houston National Forest. Texas, December 3, 2020
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