威斯康星大学麦迪逊分校植物教学收藏 (University of Wisconsin Plant Teaching Collection) 是由该校植物学系维护的开放教学资源门户, 长期为植物学相关课程提供配套影像与显微资料, 服务对象覆盖本系本科生、进修学者及全球范围内的教育使用者。站点托管在麦迪逊分校植物系的 botit.botany.wisc.edu 服务器, 自 1990 年代末期起以”虚拟叶片 (Virtual Foliage)”为名持续更新, 已成为美国中西部高校植物学教学资源中最具代表性的公益资源集合之一。
资源沿革与维护团队
该站点由植物学系摄影与藏品管理员 Michael Clayton 主理, 自 1990 年代末开始将课堂用幻灯片、显微照片与野外植被影像数字化并对外开放。Tom Volk 教授 (UW-La Crosse) 提供了其个人真菌幻灯片收藏; 已故 Virginia Kline 博士 (曾与 Grant Cottam 教授长期合授《威斯康星植被》课程, 并任职于 UW 植物园) 的幻灯片经家属捐赠后由该系托管, 已成为北美内陆草原与稀树草原群落教学影像的主要公开来源之一。植物多样性板块 (Plant Diversity) 则由本系与安德鲁斯大学 Dennis W. Woodland 教授合作整理, 收录了来自十余位植物学家拍摄的近千张影像, 作为其《Contemporary Plant Systematics》教材的配套图库使用。
教学板块与影像类型
站点主体由五大学习板块构成, 分别对应植物学系的核心课程: General Botany (普通植物学, 由 Michael Clayton 与已退休的 Eldon Newcomb 教授电镜图像组成)、Trees of Wisconsin (威斯康星木本植物, 含本系树木学课程本科生拍摄的标本照)、Tom Volk’s Fungi (真菌专题, 含 Volk 教授幻灯片)、Virginia Kline’s Collection of the Vegetation of Wisconsin (威斯康星植被全境) 以及 Plant Diversity (植物多样性, 配合 Woodland 教授教科书)。影像类型涵盖宏观植物肖像、群落全景、植物显微切片、孢子与花粉电镜图像、菌类子实体与微观结构, 适合作为高校植物学、解剖学与生态学课堂的视觉参考。
使用授权与资源定位
站方明确声明影像可在课堂教学情境下被自由使用, 包括并入讲座幻灯片、印刷补充材料与实验课视觉参考; 但任何在万维网上再分发或纳入公开出版物的使用, 须经由 Michael Clayton (Photographer/Collection Manager) 单独授权。所有图像的版权仍归原始贡献者所有, 文件名中所含的摄影师姓名首字母 (如 MC, EYB, TC, FC, PJ, RK, FL, EP, GS, KS, RT, DW 等) 标识了图像的归属人。这种”教学优先、出版需授权”的双层许可模式, 使其既可服务全球教育使用, 又有效保护了贡献者的学术署名权。
学术价值与延伸链接
作为开放教学资源, 该站点长期被美国、加拿大与亚洲多所综合性大学的植物学、解剖学与生态学课程引用, 影像质量与分类覆盖度具有较高一致性。Virginia Kline 博士的威斯康星植被影像子集同时被收录于 UW 数字馆藏平台, 与 U.W. Library 的 Kline Collection 数字档案互为补充, 形成了覆盖影像—植被文献—教学课纲的完整学术闭环。对于研究威斯康星内陆草原、北方硬木林与北美栽培植物多样性的学者, 该资源亦是查询历史植被影像与物种分布的入口之一。
The University of Wisconsin Plant Teaching Collection, hosted by the Department of Botany at UW-Madison, is a long-running open teaching resource portal. It provides botanical imagery and micrographs to support the department’s course offerings and serves undergraduates, visiting scholars, and educational users worldwide. Maintained on the botit.botany.wisc.edu server under the “Virtual Foliage” banner since the late 1990s, the portal has become one of the most representative public-domain teaching resources for plant-science instruction in the U.S. Midwest.
Resource History and Stewardship
The site is curated by Michael Clayton, the department’s photographer and collection manager, who began digitising classroom slides, micrographs, and field vegetation photographs in the late 1990s. Professor Tom Volk (UW-La Crosse) contributed his personal slide archive of fungi; the late Dr Virginia Kline, who co-taught the long-running “Vegetation of Wisconsin” course with the late Professor Grant Cottam and worked at the University of Wisconsin Arboretum, had her slide collection donated by her family to the department and now forms a primary public image source for North American inland prairie and savanna communities. The Plant Diversity section is organised in partnership with Dr Dennis W. Woodland (Andrews University) and draws on imagery from more than ten contributors, supporting the textbook Contemporary Plant Systematics.
Teaching Sections and Image Types
The portal is organised into five teaching sections that mirror the department’s core courses: General Botany (assembled by Michael Clayton, with electron micrographs contributed by emeritus professor Eldon Newcomb), Trees of Wisconsin (specimen photographs by the department’s dendrology students and Clayton), Tom Volk’s Fungi (volk’s personal slide archive), Virginia Kline’s Collection of the Vegetation of Wisconsin (statewide vegetation imagery), and Plant Diversity (a collaborative teaching set accompanying Woodland’s textbook). Image types include whole-plant portraits, community panoramas, light micrographs, pollen and spore electron micrographs, and fungal macro- and micro-structures, providing a broad visual reference for undergraduate botany, plant anatomy, and ecology courses.
Licensing Model and Resource Positioning
The site explicitly states that its images may be freely used in classroom contexts, including incorporation into lecture slides, printed supplemental materials, and laboratory visual references. Any redistribution on the World Wide Web or use in published works, however, requires individual permission obtained through Michael Clayton, the photographer and collection manager. Copyright in every image remains with the original contributor; the photographer’s initials embedded in each file name (such as MC, EYB, TC, FC, PJ, RK, FL, EP, GS, KS, RT, and DW) identify the contributor. This two-tier “classroom-friendly, publication-by-permission” model makes the resource widely accessible to educators while preserving academic attribution rights for contributors.
Academic Value and Cross-Links
As an open teaching archive, the portal has been cited by plant-science, anatomy, and ecology courses at numerous universities in the United States, Canada, and Asia, offering a consistent level of image quality and taxonomic coverage. Dr Virginia Kline’s Vegetation of Wisconsin imagery is cross-referenced with the U.W. Library’s Kline Collection digital archive, forming a closed academic loop that spans images, vegetation literature, and teaching syllabi. For researchers studying Wisconsin inland prairies, northern hardwood forests, and the diversity of North American cultivated plants, the resource also serves as an entry point for accessing historical vegetation imagery and species-distribution information.
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