Plants
giant thistle
Cirsium subcoriaceum
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
Red ThistleCirsium ehrenbergiiStudy checks a spoken answer against these, and tells you which one you named.
Where it is recorded
| Costa Rica | 244 |
|---|---|
| Provincia San José | 150 |
| Mexico | 98 |
| Provincia Cartago | 83 |
| Guatemala | 48 |
| Chiapas | 39 |
| Oaxaca | 21 |
| Chimaltenango | 16 |
| Panama | 12 |
| Provincia de Chiriquí | 12 |
Counts show where people looked, not only where it lives.
Traits
Group and habits
- Pollinator-associated plantDescends from a plant lineage commonly associated with pollinators.Inferred from its group
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 giant thistle with real photos from different observers. Say the name out loud, and it comes back just before you would forget it.