PlantsFernsAdder's-tongues & Grape Ferns — Family Ophioglossaceae
Stems with one or two leaves. Leaf blades simple in Ophioglossum.
No image available.
Southern Grape Fern —  Botrychium biternatum [1,2,3]
No image available.
Grape Fern —  Botrychium dissectum [1,3]
No image available.
Winter Grape Fern —  Botrychium lunarioides [1,2,3]
No image available.
Rattlesnake Fern —  Botrychium virginianum [1,2,3]
No image available.
Ophioglossum californicum [3]
No image available.
Bulbous Adder's-tongue —  Ophioglossum crotalophoroides [1,2,3]
No image available.
Limestone Adder's-tongue —  Ophioglossum engelmannii [1,2,3]
No image available.
Least Adderstongue —  Ophioglossum nudicaule [1,3]
No image available.
Longstem Adderstongue —  Ophioglossum petiolatum [1,3]
No image available.
Large Adderstongue —  Ophioglossum polyphyllum [1,3]
No image available.
Southern Adderstongue —  Ophioglossum vulgatum [1,2,3]
Evidence that species is found in Texas:
  1. USDA Plants Database, advanced search for Texas plants from the United States Department of Agriculture.
  2. Shinners & Mahler's Illustrated Flora of North Central Texas, George M. Diggs, Jr., Barney L. Lipscomb, and Robert J. O'Kennon, Botanical Research Institute of Texas (BRIT), Fort Worth, Texas, 1999. An invaluable resource for identifying Texas plants. Excellent glossary.
  3. Atlas of the Vascular Plants of Texas, Volume 2, B.L. Turner, Holly Nichols, Geoffrey Denny and Oded Doron, Botanical Research Institute of Texas (BRIT), Fort Worth, Texas, 2003.