His knowledge of living plants, for which he was elected a Fellow of the Royal Society, was unsurpassed in breadth in his lifetime.
دانش او در مورد گیاهان زنده، که به خاطر آن به عنوان عضو انجمن سلطنتی انتخاب شد، از نظر وسعت در زمان حیات او بی‌نظیر بود.