Plants › mustard family
Perfoliate Penny-cress
Noccaea perfoliata
28 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
shepherd's-purseCapsella bursa-pastoris
field penny-cressThlaspi arvense
Alpine penny-cressNoccaea caerulescens
field peppergrassLepidium campestre
garlic penny-cressMummenhoffia alliacea
Virginia pepperweedLepidium virginicum
Noccaea erratica
mouse-ear cressArabidopsis thaliana
Study checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| United States | 4,371 |
|---|---|
| Alaska | 2,785 |
| Russia | 723 |
| Austria | 648 |
| Ukraine | 582 |
| Czechia | 515 |
| France | 420 |
| Niederösterreich | 406 |
| Germany | 315 |
| Missouri | 309 |
Counts show where people looked, not only where it lives.
Classification
| Kingdom | Plants · Plantae |
|---|---|
| Phylum | Vascular Plants · Tracheophyta |
| Class | Dicots · Magnoliopsida |
| Order | Mustards, Capers, and Allies · Brassicales |
| Family | mustard family · Brassicaceae |
| Genus | Noccaea |
Study it in a deck
Or build your own from the species near you.
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 Perfoliate Penny-cress with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.