Littlehip hawthorn (Crataegus spathulata) with cedar-hawthorn rust fungus (Gymnosporangium globosum) in Lick Creek Park. College Station, Texas, May 6, 2024
Leaves of littlehip hawthorn (Crataegus spathulata) with cedar-hawthorn rust fungus (Gymnosporangium globosum) in Lick Creek Park. College Station, Texas, May 6, 2024
White flowers of hawthorn in Bee Creek Park. College Station, Texas, February 26, 2024
Blooming hawthorn in Lick Creek Park. College Station, Texas, March 10, 2009
Blooming Engelmann s hawthorn (Crataegus engelmannii) in Lick Creek Park. College Station, Texas, March 20, 2023
Cedar-hawthorn rust fungus (Gymnosporangium globosum) on leaves of Engelmann s hawthorn (Crataegus engelmannii) in Lick Creek Park. College Station, Texas, May 7, 2018
Cedar-hawthorn rust fungus (Gymnosporangium globosum) on littlehip hawthorn (Crataegus spathulata) in Lick Creek Park. College Station, Texas, April 18, 2018
Leaves of littlehip hawthorn (Crataegus spathulata) with cedar-hawthorn rust fungus (Gymnosporangium globosum) in Lick Creek Park. College Station, Texas, April 18, 2018
Conidiospores and tissues of cedar-hawthorn rust fungus (Gymnosporangium globosum) collected in Lick Creek Park. College Station, Texas, May 6, 2024
Spores and tissues of cedar-hawthorn rust fungus (Gymnosporangium globosum) collected in Lick Creek Park. College Station, Texas, May 6, 2024
White flowers of hawthorn on Lick Creek Greenway Trail. College Station, Texas, April 2, 2024
Blooming tree of apple family in D. A. Andy Anderson Brazos Valley Arboretum in Bee Creek Park. College Station, Texas, February 26, 2024
Cedar-hawthorn rust fungus (Gymnosporangium globosum) on littlehip hawthorn (Crataegus spathulata) on Richards Loop Trail in Sam Houston National Forest. Texas, April 13, 2024
Blooming petiteplant (Lepuropetalon spathulatum) among sporophytes of a liverwort on a lawn on Lick Creek Greenway Trail. College Station, Texas, February 16, 2024
Close-up of blooming petiteplant (Lepuropetalon spathulatum) among sporophytes of a liverwort on a lawn on Lick Creek Greenway Trail. College Station, Texas, February 16, 2024
Blooming blackberry in Lick Creek Park. College Station, Texas, March 12, 2024
Blooming Philadelphia fleabane (Erigeron philadelphicus) in Lick Creek Park. College Station, Texas, March 31, 2024
Blooming Southern prickly-ash (Zanthoxylum clava-herculis) in Bee Creek Park. College Station, Texas, April 9, 2024
White flowers of Engelmann s hawthorn (Crataegus engelmannii) in Lick Creek Park. College Station, Texas, March 20, 2023
Leaves of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, March 12, 2024
Blooming Drummond wild onion (Allium drummondii) in Lick Creek Park. College Station, Texas, April 12, 2024
Flower bud of summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, March 31, 2024
Blooming toad flax (Linaria texana) on Post Oak Trail in Lick Creek Park. College Station, Texas, March 28, 2024
Blooming false dandelion (Pyrrhopappus carolinianus) with a brown moth in Lick Creek Park. College Station, Texas, March 31, 2024
Blooming Philadelphia fleabane (Erigeron philadelphicus), phenotype without ray flowers, in Lick Creek Park. College Station, Texas, March 31, 2024
Cedar-hawthorn rust fungus (Gymnosporangium globosum)(?) on littlehip hawthorn (Crataegus spathulata) in Sam Houston National Forest, on Little Lake Creek Loop Trail. Richards, Texas, May 18, 2014
Blooming dog fennel (Eupatorium capillifolium) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 13, 2024
Blooming hawthorn on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 11, 2021
Blooming aster (Symphyotrichum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 22, 2024
Blooming bastard pennyroyal (Trichostema dichotomum) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, October 1, 2024
Early blooming Missouri violet (Viola missouriensis) at a creek crossing in Lick Creek Park. College Station, Texas, February 1, 2021
Blooming branch of Bradford pea tree when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Wolf Pen Creek Park. College Station, Texas, October 9, 2024
Blooming salt-marsh fleabane (Pluchea odorata) both in natural light and under 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 11, 2024
Blooming rusty blackhaw viburnum (Viburnum rufidulum) in Wolf Pen Creek Park. College Station, March 8, 2024
Blooming summer-blooming thistle (Cirsium engelmannii) in Lick Creek Park. College Station, Texas, July 3, 2014
Blooming bastard pennyroyal (Trichostema dichotomum) when exposed to regular daylight as well as when illuminated by a 365 nm ultraviolet (UV-A) blacklight from Lick Creek Park. College Station, Texas, September 17, 2024
Blooming hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
Blooming hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, April 9, 2022
Blooming hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2020
Blooming hawthorn in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 29, 2009
Early blooming hawthorn on Richards Loop Trail in Sam Houston National Forest. Texas, March 18, 2023
Blooming yellow hedge hyssop (Gratiola flava) on Post Oak Trail in Lick Creek Park. College Station, Texas, February 24, 2019
Blooming hawthorn on Sand Branch Loop Trail in Sam Houston National Forest near Montgomery. Texas, March 28, 2021
Blooming hawthorn (Boyaryshnik in Russian) in Botanic Gardens of Komarov Botanical Institute. Saint Petersburg, Russia, May 29, 2009
Blooming pony beebalm (Monarda pectinata) on Lick Creek Greenway Trail. College Station, Texas, April 23, 2024
Blooming Lindheimer s beebalm (Monarda lindheimeri) on Lick Creek Greenway Trail. College Station, Texas, April 23, 2024
Blooming Drummond wild onion (Allium drummondii) on Lick Creek Greenway Trail. College Station, Texas, April 2, 2024
Catkins of green ash(?) in Bee Creek Park. College Station, Texas, February 26, 2024
Juniper-hawthorn rust fungus (Gymnosporangium globosum) on littlehip hawthorn (Crataegus spathulata) with pycnia near a pond on Richards Loop Trail in Sam Houston National Forest. Texas, July 23, 2023
Leaves of littlehip hawthorn (Crataegus spathulata) with pycnia of Juniper-hawthorn rust fungus (Gymnosporangium globosum) on Richards Loop Trail in Sam Houston National Forest. Texas, July 23, 2023
Pycnia of Juniper-hawthorn rust fungus (Gymnosporangium globosum) on leaves of littlehip hawthorn (Crataegus spathulata) on Richards Loop Trail in Sam Houston National Forest. Texas, July 23, 2023
Blooming tree of rose family in Hensel Park. College Station, Texas, February 28, 2018
Coralberry (Symphoricarpos orbiculatus) in Bee Creek Park. College Station, Texas, February 26, 2024
Flat winter rosettes of various plants in Bee Creek Park. College Station, Texas, February 12, 2024
Melanoleuca mushroom with a black cap in Lick Creek Park. College Station, Texas, February 23, 2024
Fresh leaves of Mexican plum(?) in Bee Creek Park. College Station, Texas, February 26, 2024
Oxbow after a heavy rain in Lick Creek Park. College Station, Texas, February 13, 2024
White phenotype of bluets (Hedyotis) in Bee Creek Park. College Station, Texas, February 26, 2024
Water stream of a small creek after a heavy rain in Lick Creek Park. College Station, Texas, February 11, 2024
High water level in a creek after a heavy rain in Lick Creek Park. College Station, Texas, February 11, 2024
Fruits from last year of coralberry (Symphoricarpos orbiculatus) in Bee Creek Park. College Station, Texas, February 26, 2024
Leaves of squaw-weed (Senecio ampullaceus) in Bee Creek Park. College Station, Texas, February 26, 2024
Small bluets (Hedyotis crassifolia) on a lawn in Bee Creek Park. College Station, Texas, February 26, 2024
Underside of a small Pluteus mushroom in Lick Creek Park. College Station, Texas, February 27, 2024
Underside of Melanoleuca mushroom with a black cap in Lick Creek Park. College Station, Texas, February 23, 2024
Green winter rosette of some plants on a lawn under an oak in Bee Creek Park. College Station, Texas, February 12, 2024
Green winter rosettes of some plants on a lawn in Bee Creek Park. College Station, Texas, February 12, 2024
Thorny leaves of thistle (Cirsium) in Lick Creek Park. College Station, Texas, February 13, 2024
Pycnia of Juniper-hawthorn rust fungus (Gymnosporangium globosum) under a microscope in KOH, from upper surface of leaves of littlehip hawthorn (Crataegus spathulata), collected on Richards Loop Trail in Sam Houston National Forest. Texas, July 23, 2023
Tissues infected by Juniper-hawthorn rust fungus (Gymnosporangium globosum) under a microscope in KOH, from upper surface of leaves of littlehip hawthorn (Crataegus spathulata), collected on Richards Loop Trail in Sam Houston National Forest. Texas, July 23, 2023
Mushrooms Gymnopus luxurians(?) under water oaks in Lick Creek Park. College Station, Texas, February 2, 2024
Leaves of Philadelphia fleabane (Erigeron philadelphicus) in Lick Creek Park. College Station, Texas, February 13, 2024
Common blue violet (Viola sororia) in Lick Creek Park. College Station, Texas, February 27, 2024
Young silvery leaves of gum Bumelia (Sideroxylon lanuginosum) in Bee Creek Park. College Station, Texas, February 26, 2024
Ramalina lichen on iron railing of a bridge in Lick Creek Park. College Station, Texas, February 27, 2024
Spring beauty flowers (Claytonia virginica) in Lick Creek Park. College Station, Texas, February 27, 2024
Iron Bridge Trail after a heavy rain in Lick Creek Park. College Station, Texas, February 11, 2024
Cross section of a small Pluteus mushroom in Lick Creek Park. College Station, Texas, February 27, 2024
Fruits and young leaves of coralberry (Symphoricarpos orbiculatus) in Bee Creek Park. College Station, Texas, February 26, 2024
Last year red berries of heavenly bamboo (Nandina domestica) in Bee Creek Park. College Station, Texas, February 26, 2024
First flower of Philadelphia fleabane (Erigeron philadelphicus) in Lick Creek Park. College Station, Texas, February 13, 2024
Small bluets (Hedyotis crassifolia) and geranium on a lawn in Bee Creek Park. College Station, Texas, February 26, 2024
Spores of mushrooms Gymnopus luxurians(?) collected in Lick Creek Park. College Station, Texas, February 2, 2024
Hairy winter rosette of plantain (Plantago) in Lick Creek Park. College Station, Texas, February 13, 2024
Black Hysteroid pyrenomycetous fungi on a log of mulberry in Lick Creek Park. College Station, Texas, February 23, 2024
Water on Racoon Run Trail after a heavy rain in Lick Creek Park. College Station, Texas, February 11, 2024
Bark of lacebark elm tree (Ulmus parvifolia) in Wolf Pen Creek Park. College Station, Texas, February 22, 2024
Some liverwort with sporophytes on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, February 17, 2024
Wood blewit mushrooms (Lepista nuda) under oaks in Lick Creek Park. College Station, Texas, February 11, 2024
Gills of a wood blewit mushroom (Lepista nuda) in Lick Creek Park. College Station, Texas, February 11, 2024
Hemisphaeric liverwort (Reboulia hemisphaerica)(?) on a lawn in moss in Wolf Pen Creek Park. College Station, Texas, February 10, 2024
Underside of wood blewit mushrooms (Lepista nuda) in Lick Creek Park. College Station, Texas, February 11, 2024
Close-up of a liverwort with sporophytes on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, February 17, 2024
Close-up of sporophytes of a liverwort on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, February 17, 2024
Hyphae and basidia(?) of mushrooms Gymnopus luxurians(?) collected in Lick Creek Park. College Station, Texas, February 2, 2024
Hyphae (in Congo Red) of mushrooms Gymnopus luxurians(?) collected in Lick Creek Park. College Station, Texas, February 2, 2024
Winter rosette of stemless evening primrose (Oenothera triloba) in Bee Creek Park. College Station, Texas, February 12, 2024
Small Pluteus mushroom on Yaupon Loop Trail in Lick Creek Park. College Station, Texas, February 27, 2024
Close-up of black Hysteroid pyrenomycetous fungi on a log of mulberry in Lick Creek Park. College Station, Texas, February 23, 2024
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