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Jacob's Well Natural Area
Jacob's Well is one of the most significant natural geologic treasures in the Texas Hill Country. It is one of the longest underwater caves in Texas and an artesian spring. Jacob’s Well surges up thousands of gallons of water per minute and acts as headwaters to the beautiful Cypress Creek that flows through Wimberley, sustaining Blue Hole and the Blanco River, recharging the Edwards Aquifer, and finally replenishing estuaries in the Gulf of Mexico.Printer Friendly: Species List | List with Images | List with QR Tags to Mobile
| scientific name | common name(s) | image gallery |
| Abutilon fruticosum | Indian mallow Texas Indian mallow | |
| Acer negundo | Ash-leaf maple Ash-leaved maple Box elder Boxelder Fresno de guajuco | |
| Acalypha ostryifolia | Pineland threeseed mercury Hop-hornbeam copperleaf | |
| Acalypha phleoides | Shrubby copperleaf Three-seeded mercury | |
| Aesculus glabra var. arguta | Ohio buckeye White buckeye Texas buckeye | |
| Aesculus pavia | Scarlet Buckeye Red buckeye Firecracker plant | |
| Allium canadense | Meadow garlic Wild garlic Wild onion | |
| Amorpha fruticosa | Indigo bush False indigo bush False indigo Desert false indigo | |
| Andropogon glomeratus | Bushy bluestem Brushy bluestem | |
| Argemone albiflora | Bluestem pricklypoppy White pricklypoppy | |
| Aristida purpurea | Purple threeawn Purple 3-awn Purple three-awn Red threeawn | |
| Asclepias asperula | Spider milkweed Antelope horns Green-flowered milkweed Spider antelope-horns | |
| Baccharis neglecta | False Willow Jara dulce Poverty Weed Roosevelt Weed | |
| Bouteloua curtipendula | Sideoats grama | |
| Bothriochloa laguroides | Silver Bluestem Silver beardgrass | |
| Bouteloua rigidiseta | Texas grama | |
| Buddleja racemosa | Wand butterfly-bush Wand butterflybush | |
| Callicarpa americana | American beautyberry French mulberry | |
| Carex blanda | Eastern woodland sedge Creek sedge Common wood sedge | |
| Carya illinoinensis | Pecan | |
| Callirhoe involucrata | Winecup Purple poppy mallow | |
| Carex planostachys | Cedar sedge | |
| Calyptocarpus vialis | Straggler daisy Horseherb Hierba del caballo Lawnflower | |
| Cercis canadensis var. texensis | Texas redbud | |
| Celtis laevigata | Sugar hackberry Hackberry Sugarberry Texas sugarberry Palo blanco | |
| Cephalanthus occidentalis | Common buttonbush Buttonbush Button willow | |
| Centaurium texense | Lady Bird's centaury | |
| Chaetopappa asteroides | Arkansas leastdaisy Least daisy | |
| Chasmanthium latifolium | Inland sea oats Indian wood oats Wild oats River oats Flathead oats Upland Oats Upland Sea Oats | |
| Chaptalia nutans | Heal and draw Lechuguilla Silverpuff | |
| Cirsium texanum | Texas thistle | |
| Cissus trifoliata | Cow-itch vine Sorrelvine Grape ivy Arizona grape ivy Possum grape | |
| Clematis drummondii | Drummond's clematis Old man’s beard Texas virgin’s bower Goat’s beard | |
| Clematis texensis | Scarlet clematis Scarlet leatherflower Texas clematis | |
| Cocculus carolinus | Carolina snailseed Carolina coralbead Carolina moonseed Red berried moonseed Carolina red berried moonseed | |
| Cornus drummondii | Roughleaf dogwood Drummond's dogwood Rough-leaf dogwood | |
| Coreopsis lanceolata | Lanceleaf coreopsis Lanceleaf tickseed Lance-leaved coreopsis Sand coreopsis | |
| Cooperia pedunculata | Hill Country rain lily Prairie lily Rain lily | |
| Coreopsis tinctoria | Plains coreopsis Golden tickseed Goldenwave Calliopsis | |
| Croton fruticulosus | Bush croton Encinilla Hierba Loca | |
| Croton monanthogynus | Prairie tea One-seed Croton | |
| Dasylirion texanum | Texas sotol Sotol | |
| Diospyros texana | Texas persimmon Mexican persimmon Black persimmon Chapote Chapote prieto | |
| Diospyros virginiana | Common persimmon Eastern persimmon | |
| Elymus virginicus | Virginia wildrye Virginia wild rye | |
| Eragrostis intermedia | Plains lovegrass Plains Lovegrass | |
| Erioneuron pilosum | Hairy woollygrass Hairy tridens | |
| Erodium texanum | Fillaree Pine needle Stork’s Bill Texas stork's bill Texas stork’s bill | |
| Euphorbia cyathophora | Wild Poinsettia Poinsettia Fire on the Mountain | |
| Euphorbia dentata | Toothed spurge Toothedleaf poinsettia | |
| Euphorbia marginata | Snow on the mountain Snow-on-the-mountain | |
| Evolvulus sericeus | Silver dwarf morning-glory White Evolvulus | |
| Eysenhardtia texana | Texas kidneywood Kidneywood Bee-Brush Vara dulce | |
| Forestiera pubescens | Stretchberry Elbow bush Spring herald | |
| Frangula caroliniana | Carolina buckthorn Carolina false buckthorn Indian cherry | |
| Fraxinus pennsylvanica | Green ash Red ash | |
| Gaillardia pulchella | Firewheel Indian Blanket | |
| Galium texense | Texas bedstraw | |
| Geum canadense | White avens | |
| Glandularia bipinnatifida | Purple prairie verbena Prairie verbena Dacota vervain Dakota mock vervain Moradilla | |
| Ilex decidua | Possumhaw Possumhaw Holly Deciduous Holly Winterberry Deciduous yaupon | |
| Ilex vomitoria | Yaupon Yaupon holly Cassina | |
| Ipomopsis rubra | Standing cypress Texas plume Red Texas star Red gilia | |
| Iva angustifolia | Narrowleaf marshelder Narrow-leaf Sumpweed | |
| Justicia americana | American water-willow Water-willow | |
| Juniperus ashei | Ashe juniper Ashe's juniper Mountain cedar Blueberry juniper | |
| Juglans microcarpa | Little walnut Nogalito Texas walnut Texas black walnut River walnut | |
| Ludwigia repens | Creeping primrose-willow Floating primrose-willow Water primrose | |
| Lupinus texensis | Texas bluebonnet Bluebonnet Texas lupine Buffalo clover Wolf-flower | |
| Maurandella antirrhiniflora | Snapdragon Vine Roving sailor Climbing snapdragon Little snapdragon vine | |
| Malvaviscus arboreus | Turkscap Wax mallow Bleeding hearts Mexican apple Manzanilla | |
| Matelea reticulata | Green milkweed vine Net vein milkvine Netted milkvine Pearl milkweed Vine | |
| Mahonia swaseyi | Texas barberry Texas Oregon-grape | |
| Mahonia trifoliolata | Agarita Agarito Algerita Laredo mahonia Laredo Oregon-grape Trifoliate barberry | |
| Melampodium leucanthum | Blackfoot Daisy Rock daisy Plains blackfoot | |
| Mimosa borealis | Fragrant mimosa Pink Mimosa | |
| Morus rubra | Red mulberry Moral | |
| Nassella leucotricha | Texas wintergrass Texas Speargrass Wintergrass | |
| Oenothera speciosa | Pink evening primrose Showy evening primrose Mexican evening primrose Showy primrose Pink ladies Buttercups Pink buttercups | |
| Opuntia engelmannii | Cactus apple | |
| Opuntia macrorhiza | Common prickly-pear Plains prickly pear Prickly Pear Twist-spine prickly-pear Twistspine pricklypear | |
| Oxalis dillenii | Slender yellow woodsorrel | |
| Parthenocissus heptaphylla | Sevenleaf creeper Seven-leaf Creeper | |
| Passiflora lutea | Yellow passion vine Yellow passion-flower Yellow passionflower | |
| Parietaria pensylvanica | Pennsylvania pellitory Pennsylvania cucumber plant | |
| Parthenocissus quinquefolia | Virginia creeper | |
| Panicum virgatum | Switchgrass Wand panic grass | |
| Physalis cinerascens | Smallflower groundcherry | |
| Phacelia congesta | Blue curls Caterpillars Fiddleneck | |
| Phyla nodiflora | Texas frogfruit Turkey tangle fogfruit Frogfruit | |
| Phyllanthus polygonoides | Smartweed leaf-flower | |
| Platanus occidentalis | American sycamore Buttonwood Plane-tree Sycamore | |
| Prosopis glandulosa | Honey mesquite | |
| Prunus mexicana | Mexican plum Bigtree plum | |
| Ptelea trifoliata | Wafer ash Common hoptree Hop tree | |
| Pyrrhopappus pauciflorus | Smallflower desert-chicory Texas dandelion False dandelion | |
| Quercus buckleyi | Texas red oak Buckley oak Spanish oak Spotted Oak Rock Oak | |
| Quercus fusiformis | Escarpment live oak Plateau live oak Texas live oak Scrub live oak Hill country live oak Plateau oak | |
| Quercus marilandica | Blackjack oak Barren oak Black oak Jack oak | |
| Quercus sinuata | Bastard oak Durand oak | |
| scientific name | common name(s) | image gallery |
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4801 La Crosse Avenue, Austin, Texas 78739 | 512.232.0100