> [!cite] BHL link: this entry starts at [page 247](https://www.biodiversitylibrary.org/page/33189718) of TL-2 Vol. IV
> Author links: [IPNI](https://www.ipni.org/a/12242-1) LSID 12242-1, [Wikidata](https://www.wikidata.org/wiki/Q2941057) QID Q2941057
> Support pages: [[Abbreviations|abbreviations]], [[Layout key|layout key]], [[Cite TL-2|cite TL-2]]
### Author
Picard, Casimir (1806-1841), French botanist and physician; studied medicine at Amiens; practicing physician at Abbeville 1828-1841; "administrateur" of the museum of Abbeville; founder of the Société Linnéenne du Nord de la France, 1838.
**Abbreviated name**: *Picard* \[standard form in IPNI: *Picard*\]
#### Herbarium and types
Unknown.
#### Bibliography and biography
Barnhart 3: 83; BM 4: 1571; CSP 4: 897-898; Jackson p. 144; Kew 4: 303; PR 7132-7133 (ed. 1: 8000-8001).
#### Biofile
- Anon., Actes Soc. Linn. Bordeaux 12(38): 32-33. 1841 (d. 31 Mar 1831, bibl.).
- Morgand, T., Mém. Soc. roy. Émul. Abbeville 1841-1843: 449-456 (obit., b. 16 Dec 1806, d. 13 Mar 1841).
#### Eponymy
*Picardaea* Urban (1903) honors Louis Picarda, French collector of plants in Haiti; *Picardenia* Steudel (1841) is an *orth. var.* of *Picradenia* W.J. Hooker (1833).
### Publications
##### n.7879. Observations botaniques sur le genre Sonchus
**Title**
*Observations botaniques sur le genre Sonchus*,... Boulogne (Imprimerie de Le Roy-Mabille...) s.d. \[1835?\]. Oct.
**Notes**
*Publ*.: 1835 (fide Jackson), p. \[1\]-16, *1 pl*. (uncol. lith.). *Copy*: G.
##### n.7880. Étude sur les Géraniées
**Title**
Histoire naturelle. *Étude sur les Géraniées* qui croissent spontanément dans les départements de la Somme et du Pas-de-Calais,... Boulogne (Imprimerie de Le Roy-Mabille) 1838. Oct. (in fours).
**Notes**
*Publ*.: 1838 (t.p.; Flora 7 Jan 1839), p. \[1\]-46. *Copy*: G. – Reprinted and to be cited from Mém. Soc. Agric. Boulogne-sur-Mer 1: 95-138. 1838. (copy reprint with orig. pag.:
NY).