| Scientific Name | Common Name | Image | Notes |
  | Anagallis arvensis ● | Scarlet pimpernel | 📷 | |
  | Asparagus asparagoides ●● | African asparagus fern | Very invasive in oak groves. | |
  | Avena barbata ● | Slender wild oats | 📷 | |
  | Avena fatua ● | Common wild oats | 📷 | |
  | Brachypodium distachyon ●● | False brome | 📷 | |
  | Brassica spp ● & ●● | Mustards | ||
  | Bromus diandrus ●● | Ripgut brome | 📷 | |
  | Bromus hordeaceus ● | Soft chess brome | 📷 | |
  | Bromus madritensis ssp. rubens ●● | Red brome | 📷 | |
  | Bromus tectorum ●● | Cheat grass | 📷 | |
  | Cardaria draba ●● | Hoary cress | 📷 | |
  | Carduus pycnocephalus ●● | Italian thistle | 📷 | |
  | Carpobrotus chilensis ● | Sea fig | 📷 | |
  | Carpobrotus edulis ●● | Hottentot fig | 📷 | |
  | Centaurea melitensis ●● | Tocalote | 📷 | |
  | Cerastium glomeratum ● | Mouse-ear chickweed | 📷 | |
  | Chamomilla suaveolens ● | Pineapple weed | 📷 | |
  | Chenopodium album ● | Lamb’s quarters | 📷 | |
  | Cirsium vulgare ●● | Bull thistle | 📷 | |
  | Conicosia pugioniformis ●● | Narrow-leaved iceplant | 📷 | |
  | Cotula coronopifolia ● | Brass buttons | 📷 | |
  | Cynodon dactylon ● | Bermuda grass | 📷 | |
  | Delairea odorata ●● | Cape ivy | 📷 | Highly invasive. Formerly Senecio nikanioides |
  | Ehrharta calycina ●● | Veldt grass | 📷 | Spikelets reddish. Very invasive. |
  | Ehrharta erecta ●● | Panic veldtgrass | 📷 | Unlike E. calycina grows in oak groves |
  | Erodium botrys ● | Storkbill filaree | 📷 | |
  | Erodium cicutarium ● | Red-stem filaree | 📷 | |
  | Euphorbia peplus ● | Petty spurge | 📷 | |
  | Festuca arundinacea ● | Tall fescue | 📷 | |
  | Festuca pratensis ● | Meadow fescue | 📷 | |
  | Foeniculum vulgare ●● | Fennel | 📷 | |
  | Geranium dissectum ● | Cut-leaf geranium | 📷 | |
  | Hedera helix ●● | English ivy | 📷 | Very invasive plant |
  | Hirschfeldia incana ● | Perennial mustard | 📷 | |
  | Hordeum murinum ● | Foxtail barley | 📷 | |
  | Hypochaeris glabra ● | Smooth cat's ear | 📷 | |
  | Lamarckia aurea ● | Goldentop | 📷 | Flower golden to purplish |
  | Lobularia maritima ● | Sweet alyssum | 📷 | |
  | Lolium perenne ● | Perennial ryegrass | 📷 | |
  | Lotus corniculatus ● | Birdfoot trefoil | 📷 | |
  | Malva parviflora ● | Cheeseweed | 📷 | |
  | Medicago polymorpha ● | Burclover | 📷 | |
  | Melilotus alba ● | White sweet-clover | 📷 | |
  | Melilotus indica ● | Yellow sweet-clover | 📷 | |
  | Mesembryanthemum crystallinum ●● | Crystalline iceplant | 📷 | |
  | Plantago lanceolata ● | English plantain | 📷 | |
  | Polygonum arenastrum ● | Common knotweed | 📷 | |
  | Raphanus sativus ● | Wild radish | 📷 | |
  | Rumex acetosella ● | Sour-dock | 📷 | |
  | Rumex crispus ● | Curly dock | 📷 | |
  | Schismus arabicus ● | Mediterranean grass | 📷 | |
  | Setaria viridis ● | Green bristlegrass | 📷 | |
  | Silene gallica ● | Windmill pink | 📷 | |
  | Sonchus asper ● | Prickly sow thistle | 📷 | |
  | Sonchus oleraceus ● | Common sow thistle | 📷 | |
  | Sorghum halepense ● | Johnsongrass | 📷 | |
  | Urtica urens ● | Dwarf nettle | 📷 | |
  | Vulpia myuros ● | Rattail fescue | 📷 |
  | ● = non-native species ●● = invasive non-native species which has the potential to negatively impact the native species of the Elfin Forest. |