Lycium exsertum (Thornbush / Arizona desert-thorn).

Lysiloma Thornberi (Feather Tree). 250 seeds per oz.

Melaleuca armillaris.

Melaleuca fulgens.

Melaleuca leucadendron (Cajeput Tree)

Melaleuca linariifolia (Flaxleaf Paperbark)

Melaleuca quinquinerva.

Mimosa dysocarpa (Velvet pod)

Mimosa pudica 

Moringa oleifera.  USDA hardiness zones 9 and 10. A is a fast-growing, deciduous tree grows to height of 32–40 ft and the trunk can reach a diameter 1.5 ft. The moringa tree is grown mainly in semiarid, tropical, and subtropical areas. It tolerates a wide range of soil conditions, but prefers a neutral to slightly acidic, well-drained sandy or loamy soil. 2400 seeds per LB

Nicotiana tabacum (Bolivian Black Tobacco Seeds) Open culivation.

From Wikipedia: Nicotiana tabacum, or cultivated tobacco, is an annually-grown herbaceous plant. Found only in cultivation, where it is the most commonly grown of all plants in the Nicotiana genus, and its leaves are commercially grown in many countries to be processed into tobacco. It grows to heights between 1 to 2 metres. Research is ongoing into its ancestry among wild Nicotiana species,  but it is believed to be a hybrid of Nicotiana sylvestris, Nicotiana tomentosiformis, and possibly Nicotiana otophora.

Nicotiana tabacum (Virginia Black Tobacco Seeds) Open culivation.

From Wikipedia: Nicotiana tabacum, or cultivated tobacco, is an annually-grown herbaceous plant. Found only in cultivation, where it is the most commonly grown of all plants in the Nicotiana genus, and its leaves are commercially grown in many countries to be processed into tobacco. It grows to heights between 1 to 2 metres. Research is ongoing into its ancestry among wild Nicotiana species,  but it is believed to be a hybrid of Nicotiana sylvestris, Nicotiana tomentosiformis, and possibly Nicotiana otophora.

Olneya tesota (Desert ironwood). Evergreen tree or large shrub, growing slowly to 15-30' tall; 15-25' spread. Heat tolerant. Little or no water. Hardy to 25°F. Origin: Sonoran desert in AZ and Mexico. 95 seeds per oz.

Parkinsonia aculeata (Mexican palo verde). Approx. 225 seeds per oz.

Philodendron selloum

Pinus flexilis (Limber Pine)

Pinus ponderosa 12,000 seeds per pound

Pithecellobium flexicaule (Texas ebony). Evergreen tree, semi deciduous, grows very slowly to 30 feet tall; 30 feet wide. Heat tolerant. Little or no water. Hardy to 10° F. Native to Texas Florida, Yucatan. Approx. 50 seeds per oz.

Pithecellobium mexicanum (Mexican Ebony) Full sun, drought hardy, summer irrigation promotes quick growth. Hardy to 18 F. Compact tree grows to 20' tall, 15' wide or larger. Origin: Baja California, Sonora and Sinaloa.

Plantago erecta (Dot-Seed Plantain)

Prunus virginiana (Chokecherry). Native Perennial Shrub; Height, 5-30 feet. Requires 14" minimum precipitation. 4,800 seeds per pound.

Pseudotsuga menziesii (Douglas fir)
Germination tip: Soak in water for 24 hours
Stratification: Cold stratify for 30 days
Germination: Sow seed 1/4 inch deep, mulch seed bed
Other: Fall sowing in mulched beds is prefered to artificial stratification
If refrigerated upon receipt, these seeds can be stored for up to a year before use.

Ptelea trifoliata (Western Hop Tree)

Purshia tridentata (Antelope Bitterbrush) Native Perennial Shrub; Grows to 2-15 Feet. Needs 8" minimum annual rain. Plant in Fall, Winter, Early Spring 15,000 seeds per pound.

Radermachera sinica (China doll, Serpent tree or Emerald tree). Evergreen tree in the family Bignoniaceae, native to the subtropical mountain regions of southern China and Taiwan. It can reach heights of up to 30 m tall and a trunk diameter of 1 m. The flowers are white, trumpet-like, about 7 cm long, and resembling a large Bignonia flower in shape. Used as a houseplant and bonsai.

Rhus aromatica v. simplicifolia (Singleleaf skunk brush)

Rhus copallina

Rhus glabra (Smooth Sumac). Approx. 2000 seeds per oz.

Rhus integrifolia (Lemonade Berry). Grows from Santa Barbara County, CA south into Baja along the coast. A wide-mounding evergreen shrub, 5-10 feet tall, spreading 12 feet, its thick, dull-green leaves cover the plant densely. Tight clusters of cream to pink-colored flowers appear around February, and bunches of flat-sided berries mature in early summer to a rust-red. Loaded with citric acid, they can indeed be made into a tart drink reminiscent of lemonade. On slopes, root depth can reach 15-25 feet making Rhus integrifolia an excellent plant for erosion control. Approx. 8000 seeds per LB

Rhus lancea (African sumac). Small to medium sized evergreen tree to 24' tall; 24' spread. Heat tolerant, little water. Hardy to 15°F. Native to Southern Africa. Approx. 1200 seeds per oz.