Non-native species in Texas ranked as F1. For aquatic species, the number of counties of occurrence is indicated in square brackets.

F1-WOODY (Trees, shrubs, subshrubs, and woody vines)

Ailanthus altissima (P. Mill.) Swingle

Arundo donax L.

Ligustrum lucidum Ait. f.

Ligustrum quihoui Carr.

Ligustrum sinense Lour.

Lonicera japonica Thunb.

Melia azedarach L.

Nandina domestica Thunb.

Rosa bracteata J.C. Wendl.

Rosa multiflora Thunb. ex Murr.

Tamarix aphylla (L.) Karst.

Tamarix chinensis Lour.

(including T. pentandra Pallas, T. ramosissima Ledeb.)

Tamarix gallica L.

(including T. canariensis Willd., T. africana Poir.)

Tamarix parviflora DC.

Triadica sebifera (L.) Small

Ulmus pumila L.

Wisteria sinensis (Sims) DC.

F1-HERBACEOUS (Annual and perennial herbs and grasses)

Atriplex semibaccata R. Br.

Bassia scoparia (L.) A.J. Scott

Bothriochloa ischaemum var. songarica (Rupr. ex Fisch. & Mey.) Celarier & Harlan

Carduus nutans subsp. macrocephalus (Desf.) Nyman

Centaurea melitensis L.

Cynodon dactylon (L.) Pers.

Cyperus entrerianus Bockeler

Dichanthium annulatum (Forsk.) Stapf

Dichanthium aristatum (Poir.) C.E. Hubbard

Dichanthium sericeum (R. Br.) A. Camus

Eragrostis lehmanniana Nees

Lolium perenne L.

Lygodium japonicum (Thunb. ex Murr.) Sw.

Marrubium vulgare L.

Melilotus albus Medik.

Melilotus indicus (L.) All.

Melilotus officinalis (L.) Lam.

Orobanche ramosa L.

Pennisetum ciliare (L.) Link

Rapistrum rugosum (L.) All.

Salsola kali subsp. pontica (Pallas) Mosyakin

Salsola tragus L.

Solanum viarum Dunal

Sorghum halepense (L.) Pers.

Urochloa maxima (Jacq.) R. Webster

F1-AQUATIC

Alternanthera philoxeroides (Mart.) Griseb. [20+]

Eichhornia crassipes (Mart.) Solms [25]

Hydrilla verticillata (L. f.) Royle [ca. 85]

Myriophyllum aquaticum (Vell.) Verdc. [18]

Myriophyllum spicatum L. [10]

Nasturtium officinale W.T. Aiton [35]

Pistia stratiotes L. [10 or more]

Salvinia molesta Mitchell [10

Last update: 27 July 2009

Guy Nesom