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Strict Genus: Juncus

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Search by botanical or common name, genus, or family. SilvaGrid also recognizes many botanical synonyms and standard hybrid notation.

Name search: Use Botanical or Common Name to search a full botanical name such as Acer palmatum, a genus such as Acer, or a common name such as maple.
Synonyms: The same field recognizes many outdated or alternative botanical names and links them to their currently accepted taxa.
Hybrids and graft chimaeras: In the same field, you can type a standard 'x' in place of the botanical hybrid symbol (×). Use '+' when searching for graft chimaeras.
Family search: Use Botanical Family to explore taxa within a family such as Rosaceae.

1. Climate

About climate mapping

To make searching practical, SilvaGrid groups the bioclimatic zones from the World Checklist of Vascular Plants (WCVP) into five primary macro-climates:

Tropical: Equatorial and tropical zones defined by consistent year-round warmth. This encompasses the wet tropics, seasonally dry tropics, and cooler high-altitude montane tropics.
Subtropical: Warm transition zones between tropical and temperate regions, typically characterized by mild, largely frost-free winters. (Note: WCVP groups dry-summer Mediterranean climates within this broader biome).
Temperate: Mid-latitude climates defined by distinct seasonal shifts, including a true winter season where regular frosts and plant dormancy are expected.
Arid: Moisture-deficient climates—including true deserts and dry shrublands—where evaporation exceeds precipitation, requiring severe drought adaptations.
Cold: High-latitude subarctic or high-altitude subalpine climates defined by severe winters, prolonged freezing, and highly restricted growing seasons.

These categories describe a species' primary native environment and serve as a broad baseline for cultivation. While many plants can be successfully grown across multiple macroclimates—for example, some species mapped to the Tropical macroclimate can also be grown in temperate climates—others may have much narrower climatic requirements within their mapped macroclimate. Local factors such as frost hardiness, summer heat, rainfall and soil conditions should always be considered before planting.

2. Plant Types

About plant types

SilvaGrid Plant Types are practical horticultural and botanical groupings derived from WCVP life-form descriptions, taxonomy, or a combination of the two. Some correspond closely to established botanical groups, while others bring together plants with similar growth forms for practical discovery.

Trees: Woody plants with persistent above-ground stems, generally forming an elevated crown or canopy. Large herbaceous tree-like plants are excluded.
Shrubs: Woody or partly woody plants with a shrub or subshrub growth form, typically branching low rather than forming a single main trunk.
Climbers & Vines: Plants with a climbing growth habit, including herbaceous climbers and woody lianas that use other vegetation or structures for support.
Conifers: Gymnosperms from the major conifer families, including pines, cypresses, podocarps and their relatives, ranging from low shrubs to large trees.
Palms & Cycads: True palms from the Arecaceae family together with cycads. The two are not close botanical relatives, but are grouped here as a practical horticultural and landscape category.
Ferns: Vascular, spore-producing plants within the fern group, ranging from small ground-layer and epiphytic forms to large tree ferns.
Grasses, Sedges & Rushes: A practical group combining true grasses, sedges, rushes and restios. Bamboos are shown separately because of their distinctive growth form.
Bamboos: Members of the grass family, shown separately from other grasses because of their distinctive growth forms and horticultural use.
Herbaceous Perennials: Non-woody, multi-year plants, including evergreen tropical perennials and large herbaceous forms. Bulbs and other geophytes are shown separately.
Annuals & Biennials: Short-lived plants that complete their life cycle over one or two growing seasons.
Bulbs & Geophytes: Plants with underground storage organs such as bulbs, corms, tubers or rhizomes, allowing them to persist through seasonal dormancy.
Cacti & Succulents: Cacti and other succulent plants with fleshy or thickened tissues associated with water storage, spanning many unrelated botanical groups.
Aquatic & Pond Plants: Plants adapted to living in water or water-saturated soils, including submerged, floating and emergent forms.
Air Plants & Epiphytes: Epiphytic and lithophytic plants that grow on trees or rocks, including many plants commonly described as air plants.

3. Native range (WGSRPD)

Continent

Region

Botanical country

About WGSRPD mapping

SilvaGrid uses the World Geographical Scheme for Recording Plant Distributions (WGSRPD) to organise native plant distributions. WGSRPD is an international botanical standard maintained by Biodiversity Information Standards (TDWG) and is also used by the World Checklist of Vascular Plants (WCVP).

Botanical geography: SilvaGrid uses WGSRPD continents, regions and "botanical countries". These provide consistent units for recording plant distributions, but they do not always correspond exactly to modern political countries.
Consistent distribution data: Using the same geographic framework as WCVP allows SilvaGrid to preserve and compare native-range information consistently across the global plant dataset.

WGSRPD is a system for recording plant distributions rather than a climate, habitat or site-suitability classification.

Genus Juncus — Page 13

453 taxa found

Showing 30 (page 13 of 16)

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Juncus ranarius

— Frog Rush Family: Juncaceae

Temperate Grasses Annuals

Juncus ratkowskyanus

Family: Juncaceae

Temperate Grasses Bulbs

Juncus rechingeri

Family: Juncaceae

Temperate Grasses Annuals

Juncus rectus

— Common Rush, Rush Family: Juncaceae

Temperate Grasses

Juncus regelii

— Regel Rush, Regel's Rush Family: Juncaceae

Temperate Grasses Bulbs

Juncus remotiflorus

Family: Juncaceae

Temperate Grasses Bulbs

Juncus repens

— Lesser Creeping Rush Family: Juncaceae

Temperate Grasses Herbaceous Perennials

Juncus requienii

Family: Juncaceae

Temperate Grasses Bulbs

Juncus revolutus

Family: Juncaceae

Temperate Grasses Bulbs

Juncus rigidus

— Hard Sea Rush Family: Juncaceae

Arid Grasses Bulbs

Juncus riparius

— Common Rush, Rush Family: Juncaceae

Temperate Grasses Herbaceous Perennials

Juncus roemerianus

— Black Rush, Needle Rush Family: Juncaceae

Temperate Grasses Bulbs

Juncus rohtangensis

Family: Juncaceae

Cold Grasses Bulbs

Juncus × ruhmeri

Family: Juncaceae

Temperate Grasses Bulbs

Juncus × sallandiae

Family: Juncaceae

Temperate Grasses Herbaceous Perennials

Juncus salsuginosus

Family: Juncaceae

Temperate Grasses Bulbs

Juncus sandwithii

Family: Juncaceae

Temperate Grasses Bulbs

Juncus sarophorus

Family: Juncaceae

Temperate Grasses Herbaceous Perennials

Juncus saximontanus

— Rocky Mountain Rush, Tracy's Rush Family: Juncaceae

Temperate Grasses Bulbs

Juncus scheuchzerioides

Family: Juncaceae

Temperate Grasses Bulbs

Juncus scirpoides

— Needlepod Rush Family: Juncaceae

Temperate Grasses Bulbs

Juncus scrobilatus

— Common Rush, Rush Family: Juncaceae

Temperate Grasses Herbaceous Perennials

Juncus secundus

— Lopsided Rush, One Sided Rush Family: Juncaceae

Temperate Grasses Herbaceous Perennials

Juncus semisolidus

Family: Juncaceae

Temperate Grasses Bulbs

Juncus setchuensis

— Pale Green Stem Rush Family: Juncaceae

Temperate Grasses Herbaceous Perennials

Juncus sherei

Family: Juncaceae

Cold Grasses Herbaceous Perennials

Juncus sikkimensis

Family: Juncaceae

Cold Grasses Bulbs

Juncus snowii

— Common Rush, Rush Family: Juncaceae

Temperate Grasses

Juncus socotranus

Family: Juncaceae

Subtropical Grasses Herbaceous Perennials

Juncus sonderianus

Family: Juncaceae

Temperate Grasses Herbaceous Perennials

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