• Acahual (Tithonia tubaeformis)
• Agave (Agave angustifolia)
• Agave (fibers)
• Ageratum (Ageratum maritimum)
• Amaranth, Spiny (Amaranthus spinosus)
• Anamú (Petiveria alliaceae)
• Anglepod (Macroscepis cf. diademata)
• Anoda, Spurred (Anoda cristata)
• Anthurium schlechtendalii
• Aphelandras
• Artillery Plant (Pilea microphylla)
• Barleria, Yellow (Barleria micans)
• Basil, Wild (Ocimum campechianum)
• Beardtongue (Penstemon cf. gentianoides)
• Begonia, Hollyhock (bigonia gracilis)
• Black Nightshade (Solanum nigrum)
• Boat Lily (Tradescantia spathacea)
• BROMELIADS:
  • Aechmea bracteata
  • Ballmoss (Tillandsia recurvata)
  • Beach Gentian (Eustoma exaltatum)
  • Piñuela (Bromelia pinguin)
  • cf. Pitcairnia ringens
  • Tillandsia brachycaulos
  • Tillandsia fasciculata
  • Tillandsia imperialis
  • Tillandsia cf. schiedeana)
  • Tillandsia elongata
• Bryophyllum delagoensis
• Butter Daisy (Melampodium divaricatum)
• Butterwort (Pinguicula cf. macrophylla)
• Buttonweed (Spermacoce densiflora)
• Callisia (Callisia cordifolia)
• Caltrop, Big (Glossophaga soricina)
• Cannas
• Cocolmeca (Milleria quinqueflora)
• Contrayerba (Dorstenia contrajerva)
• Cudweed/ Gordolobo
• Datura (Datura inoxia)
• Dayflower (in Chiapas) (Commelina)
• Dayflower (in Yucatan) (Commelina elegans)
• Day Flowers (Commelina erecta)
• Desmanthus (Desmanthus virgatus)
• Devil's Claws (Martynia annua)
• Duckweed (Lemna aequinoctialis)
• Epazote (Chenopodium ambrosioides)
• Eryngoes on a Volcano
• Fan-like Mosses
• Feverfew (Parthenium hysterophorus)
• Hurricane-Grass (Fimbristyles cymosa
• Foldwing, Sixangle (Dicliptera sexangularis)
• Fournwort, Hairy (Tetramerium nervosum)
• Four-O'Clock, White Flowered (Mirabilis longiflora)
• Four-O'Clock, Violet Flowered (Mirabilis violaceae)
• Frogfruit (Phyla lanceolata)
• Goatweed (Capraria biflora)
• Gronovia scandens
• Hippobroma longiflora
• Joyweed, Yellow (Alternanthera flavescens)
• Leadwort (Plumbago scandens)
• GRASSES:
  • Bur-Grass (Cenchrus brownii)
  • Coastal Sandbur (Cenchrus spinifex)
  • Cordgrass, Sand(Spartina bakeri)
  • Couch Grass, Sand(Sporobolus virginicus)
  • Crowfoot Grass Egyptian(Dactyloctenium aegyptiuma)
  • Elephant Grass (Pennisetum purpureum)
  • Feather Finger-grass (Chloris virgata)
  • Foxtail, Perennial (Setaria parviflora)
  • Goose Grass (Eleusine indica)
  • Gouinia cf. virgata)
  • Guinea Grass (Panicum maximum)
  • Indian Bluegrass (Bothriochloa pertusa)
  • Lasiacis
  • Panicgrass, Tropical (Panicum trichoides)
  • Ruby Grass (Melinis repens)
  • Setariopsis auriculata
  • Woods-Grass (Oplismenus burmannii)
  • Zoysia Grass(Zoysia cf. tenuifolia)
• Hauya elegans
• Heliconia or Lobster Claw (Heliconia schiedeana)
• Hierba del Burro (Spigelia longiflora)
• Inch Plant (Callisia repens)
• Indian Paintbrush (Castilleja)
• Indain Pipe (Monotropa uniflora)
• Jack-in-the-Pulpit (Arisaema macrospathum)
• Jamaica Weed (Nama jamaicense)
• Joint-Vetch (Aeschynomene fascicularis)

• Lantana Fruits
• Lantana (Lantana camara)
• Lantana, Shrub (Lantana urticoides)
• Leatherstem (Jatropha dioica)
• Lion's Ear (Leonotis leonurus)
• Lobelia, Loose-flowered (Lobelia laxiflora)
• Macroptilium atropurpureum
• Mallow, Bladder (Herissantia crispa)
• Mallow, Viscid Bastardia viscosa
• Maranta gibba
• Maravillas (Mirabilis sp.)
• Mastis (Bidens aurea)
• Melampodium
• Mexican Shellflower (Tigridia pavonia)
• Milkweed, Tropical (Asclepias curassavica)
• Milkweed, Tropical (Asclepias curassavica)
• Nightshade, Mullein (Solanum donianum)
• Nightshade (in Yucatán) Solanum hirtum
• ORCHIDS:
  • Orchid Pseudobulbs
  • Bletia, Purple (Bletia purpurea)
  • Catasetum integerrimum
  • Cyrtopodium macrobulbon
  • Encyclia nematocaulon
  • Epidendrum radicans
  • Ionopsis utricularioides
  • Myrmecophila christinae
  • Nidema boothii ?
  • Ocneidium phymatochilum
  • Oeceoclades maculata
  • Oncidium carthagenense
  • Oncidium cebolleta
  • Rhynchostele bictoniensis
  • Trichophilia tortillis
• Peperomia (Peperomia angustata)
• Peperomia (Peperomia pellucida)
• Periwinkle, Madagascar (Catharanthus roseus)
• Petunia, Mexican Wild (Ruellia nudiflora)
• Phyllanthus
• Plantain, Common (Plantago major)
• Pluchea (Pluchea carolinensis)
• Poinsettia, Wild (Euphorbia cyathophora)
• Poinsettia, Wild (Euphorbia heterophylla)
• Pondweed, Long-leafed (Potamogeton nodosus)
• Poorman's-Pepper (Lepidium virginicum)
• Porophyllum punctatum
• Prairie Clover (Dalea foliolosa)
• Prickly Poppy (genus Argemone)
• Purslane, Common (Portulaca oleracea)
• Purslane, Sea (Sesuvium portulacastrum)
• Rosemallow, Poeppig's (Hibiscus poeppigiiI)
• Sage, Scarlet (Salvia coccinea)
• Salicornia
• Sandmat, Prostrate (Euphorbia prostrata)
• Santa María (Tagetes lucida)
• Sargasso (Brown Alga, genus Sargassum)
• Sawgrass (Cladium jamaicense)
• Scarlet-Bush (Hamelia patens)
• Scorpon Tail (Heliotropium angiospermum)
• Seaside Halophytes
• Selaginella (Selaginellla cf. lepidophylla)
• Shoal Grass (Halodule wrightii)
• Skullcap, Gaumer's (Scutellaria gaumeri)
• Spiderflower, African (Gynandropsis gynandra)
• Spiderlily, Coastal (Hymenocallis littoralis)
• Spikerush, Gulf Coast (Eleocharis cellulosa)
• Spurge, Caribbean Sea (Euphorbia mesembrianthemifolia)
• Spurge, Leafy (Euphorbia hyssopifolia)
• Solanum tridynamum
• Star-Sedge, White (Rhynchospora colorata)
• Stick-Tights (Bidens alba)
• Sunflower Goldeneye (Viguiera dentata)
• Talinum paniculatum
• Thistle
• Tobacco (Nicotiana tabacum)
• Tropical Soda Apple (Solanum viarum)
• Tree Tobacco (Nicotiana glauca)
• Turbinaria (Brown Alga, Turbinaria)
• Turkey-tangle (Phyla nodiflora)
• Turtlegrass (Thalassia testudinum)
• Velvetleaf (Abutilon permolle)
• Waltheria (Waltheria americana)
• Water-Hyacinths (Eichhornia crassipes)
• Waterlily, Dotleaf (Nymphaea ampla)
• Water Primrose (Ludwigia)
• "Wild Nasturtiums" (Tropaeolum)
• Yellowtop, Narrowleaf (Flaveria linearis)
• Zarzabacoa Dulce (Desmodium glabrum)

ALSO:

• Epiphytes on Wood Shingles
• Algae on Beaches of the Yucatan