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Threatened Plants and algae

Species 51 - 100 of 317 [ previous ] [ next ]

Cactus (Melocactus pachyacanthus)
Melocactus pachyacanthus is a squat, rounded cactus. Two subspecies are recognised which differ in the appearance of their... More	6 Images	0 Videos

Cactus (Opuntia galapageia)
Information on Opuntia galapageia is currently being researched and written and will appear here... More	2 Images	0 Videos

Cactus (Pilosocereus fulvilanatus subsp. fulvilanatus)
This tree-like cactus is the typical subspecies of Pilosocereus fulvilanatus. It may reach up to 4 metres tall, or adopt a more... More	3 Images	0 Videos

Cactus (Pseudoacanthocereus brasiliensis)
This scrambling, low-lying cactus is a fairly inconspicuous member of the family. The dark green, or greyish stems are either erect... More	3 Images	0 Videos

Cape buttercup (Sparaxis grandiflora)
This perennial plant is well suited to its scientific name grandiflora, meaning ‘large-flowered', as it bears prominent, cup-shaped... More	2 Images	0 Videos

Cape speckled aloe (Aloe microstigma)
The cape speckled aloe is an evergreen succulent plant, with a short stem and long, tapered leaves arranged in elegant rosettes.... More	1 Image	0 Videos

Casey's larkspur (Delphinium caseyi)
ARKive is supporting the IUCN Species Survival Commission's Top 50 Plants Campaign. The aim of this campaign is to help save plant... More	1 Image	0 Videos

Catchfly (Silene succulenta)
This catchfly is a fleshy perennial with numerous ascending stems, clothed throughout with a dense mass of sticky, glandular hairs.... More	3 Images	0 Videos

Cedar of Lebanon (Cedrus libani libani)
Information on the cedar of Lebanon is currently being researched and written and will appear here... More	16 Images	0 Videos

Celery (Horstrissea dolinicola)
ARKive is supporting the IUCN Species Survival Commission's Top 50 Plants Campaign. The aim of this campaign is to help save plant... More	3 Images	0 Videos

Celery (Ligusticum huteri)
ARKive is supporting the IUCN Species Survival Commission's Top 50 Plants Campaign. The aim of this campaign is to help save plant... More	1 Image	0 Videos

Celery (Naufraga balearica)
ARKive is supporting the IUCN Species Survival Commission's Top 50 Plants Campaign. The aim of this campaign is to help save plant... More	4 Images	0 Videos

Centranthe a trois nervures (Centranthus trinervis)
ARKive is supporting the IUCN Species Survival Commission's Top 50 Plants Campaign. The aim of this campaign is to help save plant... More	1 Image	0 Videos

Chamomile (Anthemis glaberrima)
ARKive is supporting the IUCN Species Survival Commission's Top 50 Plants Campaign. The aim of this campaign is to help save plant... More	1 Image	0 Videos

Chatham Island Christmas tree (Brachyglottis huntii)
Voted New Zealand's most popular native plant, this spectacular species is a small, aromatic tree with clusters of brilliant yellow... More	1 Image	0 Videos

Chickweed (Cerastium azoricum)
Species information on Cerastium azoricum is currently being researched and written and will appear here... More	3 Images	0 Videos

Chilean laurel (Laurelia sempervirens)
Information on Chilean laurel is currently being researched and written and will appear here... More	3 Images	0 Videos

Chilean palm (Jubaea chilensis)
Information on Jubaea chilensis is currently being researched and written and will appear here... More	6 Images	0 Videos

Clanwilliam cedar (Widdringtonia cedarberensis)
This majestic tree belongs to a genus of trees known as cypress pines, tall and straight they dominate the landscape in a similar... More	5 Images	0 Videos

Coco-de-mer (Lodoicea maldivica)
The awesome coco-de-mer is a giant of the plant world; this palm has the longest leaves and the largest and heaviest seeds of any... More	14 Images	7 Videos

Concertina plant (Crassula rupestris)
The concertina plant is a spreading shrub that, during certain months of the year, becomes ablaze with colour due to the dense... More	3 Images	0 Videos

Cretan date palm (Phoenix theophrasti)
Native to the eastern Mediterranean, the Cretan date palm is one of only two palm species endemic to Europe. This palm has a stem... More	10 Images	0 Videos

Cretan zelkova (Zelkova abelicea)
This small to medium-sized tree is strongly branched, creating an expansive, bushy crown of leaves that extends down close to the... More	4 Images	0 Videos

Crocus (Crocus oreocreticus)
Crocuses are beautiful dwarf plants in which a single terminal flower develops on the end of a tube, with the true stem remaining... More	2 Images	0 Videos

Cycad (Cycas calcicola)
Despite being strikingly distinctive and occurring beside the major north-south highway in the Northern Territory, Australia, this... More	2 Images	0 Videos

Cycad (Cycas circinalis)
This stout cycad has a trunk covered in thick and corky bark, which terminates in a crown of long, bright green, slightly glossy... More	5 Images	0 Videos

Cycad (Cycas clivicola)
Cycads have large, divided leaves and resemble palms and tree ferns superficially. This cycad species has a tall, narrow trunk with... More	5 Images	0 Videos

Cycad (Zamia furfuracea)
Information on Zamia furfuracea is currently being researched and written and will appear here... More	11 Images	0 Videos

Cynometra (Cynometra webberi)
Information on Cynometra webberi is currently being researched and written and will appear here... More	1 Image	0 Videos

Daisy (Bellis azorica)
Species information on Bellis azorica is currently being researched and written and will appear here... More	4 Images	0 Videos

Daisy tree (Scalesia pedunculata)
The unique daisy trees of the Galapagos Islands are the plant equivalents of Darwin's finches. Although many daisy trees actually... More	1 Image	0 Videos

Daisy tree (Scalesia stewartii)
Information on Scalesia stewartii is currently being researched and written and will appear here... More	1 Image	0 Videos

Daisy tree (Scalesia villosa)
The unique daisy trees of the Galapagos Islands are the plant equivalents of Darwin's finches. Despite the name daisy tree, this... More	1 Image	0 Videos

Dark red meranti (Shorea platyclados)
Dipterocarpaceae trees dominate Southeast Asian tropical lowland rainforests, and are favourite timber trees because of their hard... More	1 Image	0 Videos

Dawn redwood (Metasequoia glyptostroboides)
Information on the dawn redwood is currently being researched and written and will appear here... More	8 Images	0 Videos

Dittany of Crete (Origanum dictamnus)
The dittany of Crete is widely used for food flavouring and medicinal purposes, in addition to it featuring as an ornamental plant... More	5 Images	0 Videos

Dog's ears (Cotyledon orbiculata)
The dog's ears plant, well known to many gardeners, has handsome greyish-green leaves, with a red or pale margin. The leaves are... More	15 Images	0 Videos

Dragon tree (Dracaena draco)
The name of this beautiful tree has mythical origins: for his 11th labour, Hercules had to bring back three golden apples from the... More	14 Images	0 Videos

Dwarf cycad (Encephalartis humilis)
Cycads are members of an ancient group of plants that are known to have pre-dated the dinosaurs, occurring in the Permian era, more... More	2 Images	0 Videos

Eastern Cape dwarf cycad (Encephalartos caffer)
This rare plant typically has an underground stem, with a small portion on top, the stem is only very rarely branched and may... More	1 Image	0 Videos

Encino of Hinton (Quercus hintonii)
Growing up to 15 metres in height, this deciduous tree has dark bark and is characterised by its bright red foliage at the start... More	1 Image	0 Videos

Eriocaulon (Eriocaulon asteroides)
This tiny herb has short, linear leaves that taper to a point and are arranged in rose-like clusters. The flower head, or capitulum... More	2 Images	0 Videos

Eryngium (Eryngium ternatum)
The family Umbelliferae, to which this species belongs, is so named for its characteristic umbels, umbrella-shaped flower clusters... More	1 Image	0 Videos

Erythroxylum (Erythroxylum sechellarum)
This plant, which belongs to the same family of plants as the cocaine-producing Erythroxylum coca, may be considered a shrub... More	1 Image	0 Videos

Fairy slipper orchid (Calypso bulbosa)
The fairy slipper orchid, which has been called the most beautiful terrestrial orchid in North America, bears a single, showy... More	12 Images	0 Videos

Falsa sanicola (Petagnaea gussonei)
ARKive is supporting the IUCN Species Survival Commission's Top 50 Plants Campaign. The aim of this campaign is to help save plant... More	3 Images	0 Videos

Fanged pitcher plant (Nepenthes bicalcarata)
The tropical pitcher plants (Nepenthes) of Asia are amongst the largest and most spectacular of all carnivorous plants, being... More	12 Images	0 Videos

Fern (Asplenium ascensionis)
Asplenium ascensionis is a small, dark green fern found growing on rocky walls. The narrow, glossy fronds are composed of smaller... More	6 Images	0 Videos

Fern (Marattia purpurascens)
This large fern has broad, sturdy fronds that can reach up to 1 metre in length. The dark green fronds are divided into as many... More	4 Images	0 Videos

Fern (Pteris adscensionis)
This fern consists of bright green fronds that may form large tufts reaching up to 1 metre in height. The frond is divided into... More	8 Images	0 Videos

Species 51 - 100 of 317 [ previous ] [ next ]

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