Macarenia clavigera Th famed 'red algae plant' of Colombia. Nobody has really been able to keep it in an aquarium yet. Marsilea ancyclopoda crenata deflexa hirsuta macropoda minuta mollis mutica vestita olligospora quadrifolia villosa Mayaca fluviatilis longipes sellowiana Menyanthes trifoliata Micranthemum callitrichoides glomeratum tweediei Microcarpaea minima

Microsorum leptochillus musifolium pteropus sp varigatus Mimosa amphibium Monochoria africana cyanea elata hastata korsakowii vaginalis Montia bostockii chamissoi dichotoma diffusa fontana howellii linearis parvifolia Murdannia semiteres Myriophyllum aquaticum mattogrossensis pinnatum porcatum sp Guyana sp Roraima spicatum tuberculatum variifolium