| Name | Claessens, Jean |
| Date of birth | 1952 |
| Remarks | [collector note: col. with J. Kleynen; FI, GZU (type of Gymnadenia dolomitensis Teppner & E. Klein (1998)] Example of Name Published: Epipactis helleborine var. renzii (Robatsch) J. Claessens, Kleyen & Wielinga in Eurorchis, 10: 63. 1998 |
| ASA Botanist ID | 145127 botanist |
| GUID | http://purl.oclc.org/net/edu.harvard.huh/guid/uuid/ae783e3c-3a2b-45f6-9219-5a53ea46ffbd |
| Variant name | Jean Claessens |
| Author name | J. Claessens |
| B & P Author Abbrev. | J.Claess. |
| Standard/Label Name | J. Claessens |
| Full Name | Claessens, Jean |
| Geography Author | Netherlands |
| Geography Collector | Italy |
| Specialty Author | Spermatophytes |
| Specialty Collector | Phanerogams |
| Citation as Collector | Phyton (Horn) 38(1): 223. 1998 |
| Citation as Author | Birth year from the author |
| Member of teams/groups | |
| Collector Teams: | J. Claessens & J. Kleynen |
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