Explore 23,508 Species
yellow restharrow
Ononis natrix L.
Ononis natrix L. is a perennial glandular plant with yellow flowers, found acros…
Spiny restharrow
Ononis spinosa L.
Ononis spinosa L. (spiny restharrow) is a bushy spiny perennial with a recorded …
cotton thistle
Onopordum acanthium L.
Onopordum acanthium (cotton/Scotch thistle) is a spiny Eurasian biennial thistle…
Illyrian thistle
Onopordum illyricum L.
Onopordum illyricum, the Illyrian thistle, is a biennial noxious weed thistle na…
reticulate thistle
Onopordum nervosum Boiss.
Onopordum nervosum is a native Iberian flowering thistle that holds the Royal Ho…
Onosma taurica Pall.
Onosma taurica Pall.
Onosma taurica, the golden-flowered onosma, is a hairy perennial herb native to …
Turpeth
Operculina turpethum (L.) Silva Manso
Operculina turpethum is a perennial hairy morning glory vine with known distribu…
ribbon fern
Ophioderma pendulum (L.) C.Presl
Ophioderma pendulum is a common epiphytic fern in the East Indies known for its …
California adder's-tongue
Ophioglossum californicum Prantl
Ophioglossum californicum is a small perennial fern relative that produces one a…
limestone adder's-tongue
Ophioglossum engelmannii Prantl
Ophioglossum engelmannii, limestone adder's-tongue, is a small fern native to pa…
least adder's-tongue
Ophioglossum lusitanicum L.
Ophioglossum lusitanicum is a very small winter annual fern native to western Eu…
stalked adder's-tongue
Ophioglossum petiolatum Hook.
Ophioglossum petiolatum Hook. is a plant good for botany instruction with native…
southern adder's-tongue
Ophioglossum vulgatum L.
Ophioglossum vulgatum is a small perennial fern with wide distribution, that can…
Bee Orchid
Ophrys apifera Huds.
Ophrys apifera, the bee orchid, is a hardy orchid that mimics bees for pollinati…
Bertoloni's Bee-orchid
Ophrys bertolonii Moretti
Bertoloni's bee orchid (Ophrys bertolonii Moretti) is an orchid species native t…
Bumble Bee Orchid
Ophrys bombyliflora Link
Ophrys bombyliflora, the bumblebee orchid, is a Mediterranean bee orchid pollina…
Bornmueller's Orchid
Ophrys bornmuelleri M.Schulze
Ophrys bornmuelleri is an orchid species native to the eastern Mediterranean and…
Horseshoe Orchid
Ophrys ferrum-equinum Desf.
Ophrys ferrum-equinum, the horseshoe bee-orchid, is a terrestrial orchid native …
Sombre Bee-orchid
Ophrys fusca Link
Ophrys fusca, the sombre/dark bee-orchid, is a Mediterranean orchid mostly polli…
Late spider-orchid and allies
Ophrys holosericea (Burm.f.) Greuter
Ophrys holosericea, the late spider orchid, is a Eucera-bee-pollinated orchid na…
Fly Orchid
Ophrys insectifera L.
Ophrys insectifera, the fly orchid, is a tuberous perennial orchid native to Eur…
Yellow Bee-orchid
Ophrys lutea Cav.
Ophrys lutea Cav. is an orchid pollinated by male Andrena bees, growing in varie…
Omega Bee-orchid and allies
Ophrys omegaifera H.Fleischm.
Ophrys omegaifera, the omega bee-orchid, is a Mediterranean-native orchid specie…
woodcock orchid
Ophrys scolopax Cav.
Ophrys scolopax Cav. is an orchid species that grows from underground tubers wit…