Plants › St. John's wort family
Greater Marsh St. John's-wort
Hypericum walteri
25 photos
Study shows up to four per card, from different observers, so you learn the species rather than one picture. Heart the good ones and swap any you do not like.
Photos you add are credited to you, and you keep the copyright.
Easily confused with
Virginia marsh St. John's-wortHypericum virginicum
Southern Marsh St. John's WortHypericum tubulosum
hemp dogbaneApocynum cannabinum
flowering spurgeEuphorbia corollata
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 944 |
|---|---|
| Texas | 135 |
| Arkansas | 120 |
| Alabama | 90 |
| Mississippi | 86 |
| Georgia | 79 |
| Kentucky | 65 |
| Illinois | 51 |
| North Carolina | 50 |
| Virginia | 47 |
Counts show where people looked, not only where it lives.
Classification
| Kingdom | Plants · Plantae |
|---|---|
| Phylum | Vascular Plants · Tracheophyta |
| Class | Dicots · Magnoliopsida |
| Order | Nances, Willows, and Allies · Malpighiales |
| Family | St. John's wort family · Hypericaceae |
| Genus | St. John's worts · Hypericum |
Sources
- Names, taxonomy and observation counts: www.inaturalist.org
- Photos and recordings: the creator and source are on each one.
- How much to rely on each source
Remember the name next time.
Practise Greater Marsh St. John's-wort with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.