| abecední řazení | řazení podle počtu |
  |   |
| albízie | 7 |
| albízie růžová | 2 |
| albizzia julibrissin | 2 |
| alboplena | 4 |
| albospica | 2 |
| albospicata dom | 1 |
| Albospicata Domschke | 2 |
| albovariegata | 4 |
| Album | 3 |
| album splendidum | 2 |
| albyn | 2 |
| Alchornea | 2 |
| Alchornea davidii | 2 |
| alcoquiana | 2 |
| aldenham | 2 |
| aldenhamensis | 3 |
| alelopatické | 2 |
| alemanchier | 4 |
| alena | 2 |
| aleurites | 2 |
| Alexander steffen | 2 |
| Alexandra | 2 |
| alexis | 2 |
| Alfred | 2 |
| Alfredia | 2 |
| Alice mangles | 2 |
| alkavo | 2 |
| All Summer Peach | 1 |
| All Summer Red | 2 |
| allah | 2 |
| allbrook | 2 |
| allegretto | 2 |
| Allgäu | 2 |
| allium | 3 |
| Allocasuarina luehmannii | 2 |
| alma tadema | 2 |
| Almey | 2 |
| alnobetula | 4 |
| alnu | 2 |
| alnus | 97 |
| Alnus alnobetula | 5 |
| alnus alnubetula | 2 |
| alnus cordata | 3 |
| alnus firma | 3 |
| alnus glutinosa | 40 |
| alnus glutisnosa | 2 |
| Alnus incana | 22 |
| Alnus incana¨ | 2 |
| alnus pendula | 2 |
| Alnus rubra | 2 |
| alnus sibirica | 2 |
| alnus spaethi | 2 |
| alnus spaethii | 2 |
| alnus viridis | 4 |
| Alnus x spaethii | 3 |
| Alnwick | 2 |
| alocasia | 2 |
| Alpen | 2 |
| alphen | 2 |
| alphens | 2 |
| altdorf | 2 |
| althalden | 2 |
| Altingiaceae | 2 |
| Altissima | 2 |
| Alyogyne huegelii | 2 |
| amaethyst | 2 |
| amagdalus | 2 |
| Amalanchier | 2 |
| Amalanchier canadensis | 3 |
| amanogawa | 5 |
| amarylkovité | 1 |
| amaszam | 2 |
| amazakoue | 2 |
| Amber Bauty | 2 |
| amber beauty | 2 |
| amber kiss | 2 |
| amboseli | 2 |
| ambron | 17 |
| ambroň západní | 2 |
| amelan | 2 |
| amelanchi | 2 |
| amelanchier | 111 |
| Amelanchier alnifolia | 12 |
| Amelanchier alnifolia ´ | 6 |
| Amelanchier alnifolia ´Mandam´ | 3 |
| amelanchier arborea | 8 |
| Amelanchier asiatica | 4 |
| Amelanchier balleriana | 2 |
| Amelanchier canadensis | 3 |
| amelanchier grandiflora | 2 |
| amelanchier laevis | 6 |
| Amelanchier lamarckii | 16 |
| Amelanchier lamarckii, | 2 |
| Amelanchier mandan | 2 |
| Amelanchier ovalis | 12 |
| Amelanchier pallida¨ | 2 |
| Amelanchier robin hill | 3 |
| Amelanchier spicata | 7 |
| Amelanchier x grandifolia ´Forest Prince´ | 2 |
| Amelanchier ´Forest Prince´ | 2 |
| Amelanchier ×grandiflora | 2 |
| amelanchirr | 2 |
| amelancier | 2 |
| Amelasorbus jackii | 2 |
| amelnachier | 3 |
| amelopsis | 2 |
| ameria | 2 |
| america | 2 |
| americanum | 2 |
| amethyst | 2 |
| amisk | 2 |
| amlenachier | 3 |
| amlenchier | 2 |
| ammerland | 2 |
| amomum | 2 |
| Amomum subulatum | 2 |
| amorfa fruticosus | 2 |
| amoroha fruticoza | 2 |
| amorpha | 21 |
| Amorpha canescens | 3 |
| amorpha friticosa | 4 |
| amorpha fruticosa | 15 |
| amorpha fruticosus | 4 |
| Amorpha nana | 3 |
| amorphifolia | 2 |
| ampák | 8 |
| Ampák Davidův | 2 |
| ampelophylla | 2 |
| ampelopsis | 10 |
| Ampelopsis aconitifolia | 3 |
| Ampelopsis bodinieri | 2 |
| Ampelopsis brevipedunculata | 8 |
| Ampelopsis delavayana | 2 |
| Ampelopsis glandulosa | 3 |
| Ampelopsis megalophylla | 2 |
| Ampelopsis pinnata | 3 |
| ample | 2 |
| amsel | 2 |
| amurensis | 6 |
| amursky | 2 |
| amygdala | 2 |
| Amygdalus | 13 |
| Amygdalus amara | 2 |
| amygdalus communis | 2 |
| Amygdalus nana | 6 |
| Amygdalus pedunculata | 2 |
| amygdalus triloba | 3 |
| anacardium | 2 |
| anah | 2 |
| ananas | 5 |
| ananasovník | 3 |
| anastasia | 2 |
| anatevka | 2 |
| anbri | 2 |
| andantino | 2 |
| andenken | 2 |
| andre | 2 |
| andromeda | 18 |
| andromeda glaucophylla | 2 |
| andromeda polifolia | 4 |
| andromeda polyfolia | 2 |
| androscoggin | 2 |
| anemone | 1 |
| Anemone blanda | 2 |
| Angel Falls | 2 |
| Angistifolia | 2 |
| Angostura | 2 |
| angrest | 7 |
| angustifolia | 4 |
| ani | 2 |
| ANIGOZANTHOS MANGLESII | 3 |
| anilin | 2 |
| Anna rose | 2 |
| annabelle | 2 |
| Anne | 2 |
| anne frank | 3 |
| annedore | 2 |
| anniversary gold | 2 |
| annona | 6 |
| Annona reticulata | 2 |
| Annona squamosa | 2 |
| anny | 2 |
| Anona | 1 |
| Anonna | 1 |
| anouk | 2 |
| Antwerp | 2 |
| anuschka | 2 |
| Aoi Nishiki | 2 |
| apetala | 2 |
| aphananthe | 3 |
| apia | 3 |
| Apistar | 3 |
| Aplplause | 2 |
| apollo | 2 |
| apollonia | 2 |
| appasionata | 2 |
| apricot fantasy | 2 |
| April glow | 2 |
| aprilglocke | 2 |
| Aprilleuchten | 2 |
| aquebia | 2 |
| Aquilegia coerulea | 2 |
| ARA | 2 |
| arabela | 2 |
| arabella | 3 |
| aralia | 19 |
| aralia elata | 8 |
| aralia magellanica | 2 |
| aralia mandshurica | 3 |
| Aralia spinosa | 3 |
| AraliaAristolochya | 2 |
| Araliaceae | 2 |
| arálie | 2 |
| araucana | 3 |
| Araucaria | 32 |
| Araucaria angustifolia | 2 |
| araucaria araucana | 4 |
| Araucaria cunninghamii | 2 |
| Araucaria heterophylla | 2 |
| Araucarioides | 2 |
| arborea | 2 |
| arborescens | 3 |
| arboretum wojslavice | 1 |
| arboretum wojslawice | 1 |
| arbutus | 4 |
| Arbutus menziesii | 2 |
| Arbutus unedo | 3 |
| archer dwarf | 2 |
| Archers gold | 2 |
| Arcterica | 2 |
| arctostaphyllos | 2 |
| arctostaphyllos uva ursi | 2 |
| arctostaphylos | 4 |
| arctostaphylos uva ursi | 5 |
| Arctostaphylos uva-ursi | 2 |
| ardisia | 4 |
| Ardrishaig | 2 |
| Areca | 2 |
| Argentea | 2 |
| argentea variegata | 1 |
| argenteo marginata | 2 |
| argenteo-marginata | 3 |
| argenteomarginata | 3 |
| argenteovariegata | 2 |
| argentine | 2 |
| aria | 2 |
| ariane | 2 |
| ariel | 2 |
| aristata | 4 |
| Aristide Briand | 2 |
| Aristilochia macrophylla | 2 |
| Aristochia macrophylla | 1 |
| aristocrat | 2 |
| aristolochia | 18 |
| Aristolochia clematis | 2 |
| aristolochia macrophylla | 11 |
| Aristolochya | 2 |
| arizonica | 2 |
| arkadius | 2 |
| armeniaca | 6 |
| Armeniaca sibirica | 4 |
| armeria | 2 |
| armstrong | 3 |
| arnhild | 2 |
| arnold | 2 |
| Arnold Dwarf | 3 |
| Arnold piper | 2 |
| Arnold Promise | 2 |
| arnoldii | 2 |
| aromatica | 2 |
| aronia | 62 |
| Aronia arbutifolia | 8 |
| aronia melaanocarpa | 2 |
| Aronia melanocarpa | 22 |
| Aronia mitschurinii | 2 |
| Aronia prunifolia | 2 |
| Aronia x prunifolia | 2 |
| ARONIA ×PRUNIFOLIA | 2 |
| aronie | 12 |
| aronimink | 2 |
| Arrow | 2 |
| Artemisia | 3 |
| Artemisia argentea | 2 |
| Artemisia cina | 2 |
| artocarpus | 2 |
| Aruncus | 5 |
| Aruncus vulgaris | 2 |
| arvid | 3 |
| ascendens | 6 |
| Ascot | 2 |
| ash | 2 |
| asher | 2 |
| Asijská hrušeň | 2 |
| asijský | 2 |
| asimina | 10 |
| Asimina triloba | 4 |
| asma | 2 |
| asminum nudiflorum | 2 |
| Asparagus | 6 |
| Asparagus falcatus | 2 |
| | |
