Arisaema (Jack in the Pulpit, Jack-in-the-Pulpit, Cobra Lily)
Arisaema spp.

Asparagus
Asparagus officinalis

Avocado Fruit (Alligator Pear, Avocado Pear)
Persea Americana, syn: Persea gratissima

Avocado Tree (Alligator Pear, Avocado Pear)
Persea Americana, syn: Persea gratissima

Beech (European Beech, Common Beech, Copper Beech, Purple Beech)
Fagus spp

Beetroot (Beet, Table Beet, Garden Beet, Red Beet, Golden Beet)
Beta vulgaris

Birch (Silver Birch, White Birch, Paper Birch, Yellow Birch)
Betula spp.

Black Currant (Blackcurrant)
Ribes nigrum

Bulrush (Bullrush, Cattail, Reed Mace)
Typha spp.

Cat Grass (Oat Grass, Wheat Grass, Orchard Grass, Barley Grass, Rye Grass)
Avena sativa; Triticum spp.; Dactylis glomerata; Hordeum spp.; Lolium perenne

Cedar
Cedrus spp.

Couch Grass (Quick Grass, Dog Grass, Witch Grass, Quack Grass)
Elymus repens, syn. Elytrigia repens; Agropyron repens; Triticum repens

Euphorbia (Spurge) - Wild Flower
Euphorbia spp.

Fat-hen (Lambs Quarters, Goosefoot, Fat Hen)
Chenopodium album

Fescue Grass (Sheeps Fescue; Tall/Red/Blue/Creeping Red/Meadow Fescue)
Festuca spp.

Field Madder (Blue Fieldmadder, Fieldmadder)
Sherardia arvensis; syn. Galium sherardia

Fig Tree
Ficus carica and Ficus spp.

Fir (True Fir)
Abies

Fountaingrass (Elephant Grass, Fountain Grass, Foxtail, Pennisetum, Napier, Feathertop, Pearl Millet)
Pennisetum spp.

Giant Cane (Arundo Donax, Spanish Cane, Wild Cane, Giant Reed)
Arundo donax

Good King Henry
Chenopodium bonus-henricus

Gooseberry
Ribes uva-crispa; syn. R. grossularia

Grape Ivy (Oak Leaf Ivy)
Cissus rhombifolia

Grape Vine
Vitis spp.

Herb Paris (True Lover's Knot, Devil-in-a-Bush)
Paris quadrifolia

Hops
Humulus lupulas

Hornwort
Ceratophyllum spp.

Ivy (English Ivy)
Hedera spp. (esp. Hedera Helix)

Juncus (Rush)
Juncus spp.

Lady's Mantle (Ladys Mantle, Ladies Mantle)
Alchemilla spp.

Liquidambar (Liquid Ambar, Red Gum, Sweetgum, Sweet Gum, American Sweetgum, Storax)
Liquidambar spp.

Lords and Ladies (Jack-in-the-Pulpit, Jack in the Pulpit, Cuckoo-Pint, Cuckoo Pint, Wild Arum)
Arum spp. esp. Arum maculatum

Marjoram (Sweet/Hardy/Knotted Marjoram)
Origanum majorana

Millet (Proso Millet, Common Millet, Hog Millet, White Millet)
Panicum miliaceum

Mind-Your-Own-Business (Mind Your Own Business, Baby's Tears)
Soleirolia soleirolii

Mulberry Tree (Mulberry Bush, Paper Mulberry)
Morus spp.; Broussonetia papyrifera

Orache (Orach, Saltbush, Wheelscale Saltbush, Common/Spear-leaved/Garden/Red Orache)
Atriplex spp. esp. A. hortensis, A. patula, A. elegans

Pine
Pinus spp.

Pineapple Weed (Disc Mayweed, Wild Chamomile)
Matricaria discoidea

Plantain (Broadleaf) (Broad-leaved Plantain, Greater Plantain, Common Plantain, Hoary Plantain, Rat-tail Plantain, Rat's Tail Plantain)
Plantago major; Plantago media

Plantain (Buck's Horn) (Stag's Horn Plantain, Buckshorn Plantain, Sea Plantain, Seaside Plantain)
Plantago coronopus; Plantago maritima

Plantain (Ribwort) (Narrowleaf Plantain, Narrow Leaf Plantain, English Plantain)
Plantago lanceolata

Ragweed (Common Ragweed, American Wormwood, Bitterweed, Bloodweed)
Ambrosia spp.

Red Currant (Redcurrant)
Ribes rubrum

Spinach
Spinacia oleracea

Staghorn Sumac (Stag's Horn Sumach)
Rhus typhina; syn. Rhus hirta

Umbrella Plant (Umbrella Sedge, Umbrella Palm)
Cyperus alternifolius

Walnut tree (Black Walnut, White Walnut, Butternut, Common Walnut, English Walnut)
Juglans spp.

Water Lettuce (Water Cabbage, Nile Cabbage, Pistia)
Pistia stratiotes

Wheat (Wheat Grass, Wheatgrass, Common Wheat, Bread Wheat)
Triticum spp; esp T. aestivum

White Currant (Whitecurrant, Skunk Currant, Pink Currant, Yellow Currant)
Ribes glandulosum

Yew (English Yew, Common Yew, European Yew)
Taxus baccata