Flower buds of white-flowered milkweed (Asclepias variegata) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
 | Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States |
Nodding beardtongue (Penstemon laxiflorus) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
| Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States |
Flowers of nodding beardtongue (Penstemon laxiflorus) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
| Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States |
Green milkweed (Asclepias viridis) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
| Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States |
Woolly-white (Hymenopappus) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
| FS 203, Montgomery County, Texas, 77873, United States |
Rock-rose (frostweed, sunrose, Helianthemum carolinianum) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
| FS 203, Montgomery County, Texas, 77873, United States |
Blooming woolly-white (Hymenopappus) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
| FS 203, Montgomery County, Texas, 77873, United States |
White-flowered milkweed (Asclepias variegata) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
| FS 203, Montgomery County, Texas, 77873, United States |
Baptisia nuttalliana (Nuttall's wild indigo) on Forest Service Road 203 near Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
| FS 203, Montgomery County, Texas, 77873, United States |
Flowers of woolly-white (Hymenopappus) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
| Lone Star Hiking Trail, Montgomery County, Texas, 77873, United States |
Blooming woolly-white (Hymenopappus) with a flower beetle on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
| Lone Star Hiking Trail, Montgomery County, Texas, 77873, United States |
Thistle (Cirsium) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
| Lone Star Hiking Trail, Montgomery County, Texas, 77873, United States |
Blooming poison ivy (Toxicodendron radicans) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
| Lone Star Hiking Trail, Montgomery County, Texas, 77873, United States |
Small plants of poison ivy (Toxicodendron radicans) on Richards Loop Trail in Sam Houston National Forest. Texas, April 21, 2022
| Lone Star Hiking Trail, Montgomery County, Texas, 77873, United States |
Japanese honeysuckle (Lonicera japonica) in Wolf Pen Creek Park. College Station, Texas, April 22, 2022
| Connecting Point Church, 410, Harvey Road, College Station, Brazos County, Texas, 77840, United States |
Flowers of Japanese honeysuckle (Lonicera japonica) in Wolf Pen Creek Park. College Station, Texas, April 22, 2022
| Connecting Point Church, 410, Harvey Road, College Station, Brazos County, Texas, 77840, United States |
Leaves of May apple (Podophyllum peltatum) with yellow spots caused by teleutosori of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 23, 2022
| Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States |
Underside of a leaf of May apple (mandrake, Podophyllum peltatum) with brown teleutospores of mayapple rust fungus Allodus podophylli (Puccinia podophylli) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 23, 2022
| Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States |
Woodland (pale-green) ladies' tresses (Spiranthes sylvatica) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 23, 2022
| Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States |
Close-up of woodland (pale-green) ladies' tresses (Spiranthes sylvatica) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 23, 2022
| Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States |
Wild petunia (Ruellia) on Caney Creek Trail (Little Lake Creek Loop Trail) in Sam Houston National Forest north from Montgomery. Texas, April 23, 2022
| Little Lake Creek Loop Trail, Montgomery County, Texas, 77873, United States |
Teliospores (teleutospores) of mayapple rust fungus (Puccinia podophylli) under a microscope at low magnification, collected in Sam Houston National Forest. Texas, April 23, 2022
Teliospores (teleutospores) of mayapple rust fungus (Puccinia podophylli) under a microscope, collected in Sam Houston National Forest. Texas, April 23, 2022
