PlantsFlowering PlantsMonocots — Superorder Lilianae
Pale Blue-eyed-grass
Sisyrinchium langloisii
A few shrubs, vines, and bamboo, but mostly herbs. Some are aquatic. Leaves simple, with exceptions (Arisaema dracontium). Leaves often narrow, with veins parallel to the margins. If the flowers are showy, there are probably 3 petals or 6 tepals. Includes grass-like plants and most of our aquatic plants.
Big Bluestem
Grasses & related families — Order Poales
Common Arrowhead
Water Plantains — Order Alismatales
Mostly aquatic or marsh plants. Embryos are green.

Arkansas Yucca
Yuccas — Family Agavaceae
Leaves basal, simple.
No image available.
Barbados Aloe —  Aloe vera [1]
Family Aloaceae.
Dwarf Palmetto
Palmettos — Family Arecaceae
Tree or shrub.
No image available.
Bluethreads and Nixies — Family Burmanniaceae
No image available.
Canna — Genus Canna
Family Cannaceae.
Erect Dayflower
Spiderworts & Dayflowers — Family Commelinaceae
Leaves alternate or basal, simple. Flowers azure, magenta, blue, or violet. 3 petals, 3 sepals, 6 stamens.
No image available.
Yam — Genus Dioscorea
Family Dioscoreaceae.
Pale Blue-eyed-grass
Irises & relatives — Family Iridaceae
Leaves basal or alternate. All have 6 tepals, 3 stamens.
Crow-poison
Lily Family — Family Liliaceae
Leaves basal or crowded near base. Flowers often showy, radially symmetrical, with 6 tepals, 6 stamens, and 1 pistil.
No image available.
Powdery Alligator-flag —  Thalia dealbata [2]
Family Marantaceae.
No image available.
Waternymph — Genus Najas
Family Najadaceae.
Orchid Family — Family Orchidaceae
Pickerel-weed
Mud-plantain & Pickerel-weed — Family Pontederiaceae
Wet or aquatic herbs. Leaves basal or alternate. Flowers blue to white, 6 tepals.
Catbrier
Greenbrier — Genus Smilax
Vine. Leaves alternate, simple. 3 petals, 3 sepals. Fruit a dark berry with 1-3 seeds. Family Smilacaceae.
Evidence that species is found in Texas:
  1. USDA Plants Database, advanced search for Texas plants from the United States Department of Agriculture.
  2. 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.