| Opuntia dillenii |
Red Tungy |
| Opuntia dillenii |
|
| Opuntia elatior |
Red Flower Prickly Pear |
| Opuntia elatior |
Red Tungy; Red Prickly-Pear; Pest Prickly-Pear |
| Opuntia ficus-indica |
Mission Cactus; Prickly Pear; Barbary Fig |
| Opuntia ficus-indica |
Mission Cactus; |
| Opuntia ficus-indica |
Mission Cactus; White Tungy; English Tungy; Common Prickly-Pear |
| Opuntia humifusa humifusa |
Smooth Prickly Pear; |
| Opuntia leucotricha |
Aaron's Beard |
| Opuntia monacantha |
Prostrate Cactus; Common; Drooping Prickly Pear |
| Opuntia monacantha |
Drooping Prickly-Pear |
| Opuntia tomentosa |
Velvet Prickly Pear; Woollyjoint Prickly Pear |
| Orchelimum concinnum |
Dusky-Faced Meadow Katydid; |
| Orchesella cincta |
Springtail |
| Orchestina |
|
| Oreochromis aureus |
Blue Tilapia |
| Oreochromis mossambicus |
Mozambique Tilapia |
| Oreochromis niloticus |
Baringo Tilapia; Tilapia |
| Oreomecon nudicaulis nudicaulis |
Icelandic Poppy; Iceland Poppy |
| Orgilus lepidus |
Parasitic Wasp |
| Orgilus parcus |
Parasitic Wasp |
| Oribatula exilis exilis |
Beetle Mite |
| Origanum majorana |
Sweet Majoram |
| Origanum majorana |
Sweet Marjoram |
| Origanum majorana |
Marjoram |
| Origanum vulgare |
Oregano |
| Orius insidiosus |
Insidious Pirate Bug |
| Orius niger |
|
| Orius thripoborus |
Flower Bug |
| Ornebius validus |
Scaly Cricket |
