North America Non-native Plant

Ranunculus Harveyi Var. Australis

Botanical name: Ranunculus harveyi var. australis

USDA symbol: RAHAA

Native status: Not native but doesn't reproduce and persist in the wild

Ranunculus harveyi var. australis: A Mysterious Native Buttercup If you’ve stumbled across the name Ranunculus harveyi var. australis in your plant research, you’ve discovered one of botany’s more elusive varieties. This particular buttercup variety is so rare or specialized that finding concrete information about it is like searching for a ...

Ranunculus harveyi var. australis: A Mysterious Native Buttercup

If you’ve stumbled across the name Ranunculus harveyi var. australis in your plant research, you’ve discovered one of botany’s more elusive varieties. This particular buttercup variety is so rare or specialized that finding concrete information about it is like searching for a needle in a haystack – and that tells us something important right away.

What We Know (And What We Don’t)

Ranunculus harveyi var. australis belongs to the vast Ranunculus genus, commonly known as buttercups. As a member of the buttercup family, it’s likely a herbaceous flowering plant with the characteristic bright yellow, cup-shaped flowers that make buttercups instantly recognizable. However, the specific details about this variety – including its common name, native range, and growing requirements – remain mysteriously absent from botanical databases and gardening resources.

The lack of readily available information about this variety suggests it may be:

  • An extremely rare or localized variety
  • A recently described or taxonomically uncertain variety
  • A variety with very limited distribution
  • Potentially misidentified or invalid taxonomically

Should You Plant It?

Here’s where things get tricky. Without knowing the native status, rarity level, or invasive potential of Ranunculus harveyi var. australis, it’s impossible to give a definitive recommendation. If you’ve encountered this plant name through a seed catalog, nursery, or plant exchange, proceed with extreme caution.

Before considering planting any Ranunculus harveyi var. australis, you should:

  • Verify the plant’s identity with a qualified botanist
  • Research its status in your local area
  • Ensure any plant material is ethically and legally sourced
  • Contact local native plant societies or extension services for guidance

Better Buttercup Alternatives

Rather than taking a chance on this mysterious variety, consider well-documented native Ranunculus species that are appropriate for your region. Many buttercup species make excellent additions to wildflower gardens, wet areas, and naturalized landscapes, providing early-season nectar for pollinators and adding cheerful yellow blooms to spring gardens.

Your local native plant society can recommend buttercup species that are:

  • Definitely native to your area
  • Well-suited to your growing conditions
  • Readily available from reputable sources
  • Known for their garden performance and wildlife benefits

The Bottom Line

While the mystery surrounding Ranunculus harveyi var. australis is certainly intriguing from a botanical perspective, it’s not the best choice for most gardeners. The lack of available growing information, uncertain conservation status, and unclear native range make it a risky proposition for home landscapes.

Instead, focus your native gardening efforts on well-documented, locally appropriate buttercup species that you can grow with confidence, knowing they’ll thrive in your garden while supporting local ecosystems. Sometimes the best plant choices are the ones we know we can grow successfully – and there are plenty of beautiful, proven native buttercups waiting to brighten your garden!

Ranunculus Harveyi Var. Australis

Classification

Group

Dicot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Magnoliopsida - Dicotyledons

Subclass

Magnoliidae

Order

Ranunculales

Family

Ranunculaceae Juss. - Buttercup family

Genus

Ranunculus L. - buttercup

Species

Ranunculus harveyi (A. Gray) Britton - Harvey's buttercup

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA